2024-10-31 20:18:37 +01:00
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" href="/">YannStatic< / a > < / div > <!-- <button class="button button - - secondary button - - circle search - button js - search - toggle"><i class="fas fa - search"></i></button> --> <!-- <li><button class="button button - - secondary button - - circle search - button js - search - toggle"><i class="fas fa - search"></i></button></li> -->
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< div class = "main" >
< div class = "search__header" > < / div >
< div class = "search-bar" >
< div class = "search-box js-search-box" >
< div class = "search-box__icon-search" > < i class = "fas fa-search" > < / i > < / div >
< input id = "search-input" type = "text" / >
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< a > < i class = "fas fa-times" > < / i > < / a >
< / div > -->
< / div >
< / div >
< / div >
< / div >
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< script > / * !
* Simple-Jekyll-Search
* Copyright 2015-2020, Christian Fei
* Licensed under the MIT License.
*/
(function(){
'use strict'
var _$Templater_7 = {
compile: compile,
setOptions: setOptions
}
const options = {}
options.pattern = /\{(.*?)\}/g
options.template = ''
options.middleware = function () {}
function setOptions (_options) {
options.pattern = _options.pattern || options.pattern
options.template = _options.template || options.template
if (typeof _options.middleware === 'function') {
options.middleware = _options.middleware
}
}
function compile (data) {
return options.template.replace(options.pattern, function (match, prop) {
const value = options.middleware(prop, data[prop], options.template)
if (typeof value !== 'undefined') {
return value
}
return data[prop] || match
})
}
'use strict';
function fuzzysearch (needle, haystack) {
var tlen = haystack.length;
var qlen = needle.length;
if (qlen > tlen) {
return false;
}
if (qlen === tlen) {
return needle === haystack;
}
outer: for (var i = 0, j = 0; i < qlen ; i + + ) {
var nch = needle.charCodeAt(i);
while (j < tlen ) {
if (haystack.charCodeAt(j++) === nch) {
continue outer;
}
}
return false;
}
return true;
}
var _$fuzzysearch_1 = fuzzysearch;
'use strict'
/* removed: const _$fuzzysearch_1 = require('fuzzysearch') */;
var _$FuzzySearchStrategy_5 = new FuzzySearchStrategy()
function FuzzySearchStrategy () {
this.matches = function (string, crit) {
return _$fuzzysearch_1(crit.toLowerCase(), string.toLowerCase())
}
}
'use strict'
var _$LiteralSearchStrategy_6 = new LiteralSearchStrategy()
function LiteralSearchStrategy () {
this.matches = function (str, crit) {
if (!str) return false
str = str.trim().toLowerCase()
crit = crit.trim().toLowerCase()
return crit.split(' ').filter(function (word) {
return str.indexOf(word) >= 0
}).length === crit.split(' ').length
}
}
'use strict'
var _$Repository_4 = {
put: put,
clear: clear,
search: search,
setOptions: __setOptions_4
}
/* removed: const _$FuzzySearchStrategy_5 = require('./SearchStrategies/FuzzySearchStrategy') */;
/* removed: const _$LiteralSearchStrategy_6 = require('./SearchStrategies/LiteralSearchStrategy') */;
function NoSort () {
return 0
}
const data = []
let opt = {}
opt.fuzzy = false
opt.limit = 10
opt.searchStrategy = opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = NoSort
opt.exclude = []
function put (data) {
if (isObject(data)) {
return addObject(data)
}
if (isArray(data)) {
return addArray(data)
}
return undefined
}
function clear () {
data.length = 0
return data
}
function isObject (obj) {
return Boolean(obj) & & Object.prototype.toString.call(obj) === '[object Object]'
}
function isArray (obj) {
return Boolean(obj) & & Object.prototype.toString.call(obj) === '[object Array]'
}
function addObject (_data) {
data.push(_data)
return data
}
function addArray (_data) {
const added = []
clear()
for (let i = 0, len = _data.length; i < len ; i + + ) {
if (isObject(_data[i])) {
added.push(addObject(_data[i]))
}
}
return added
}
function search (crit) {
if (!crit) {
return []
}
return findMatches(data, crit, opt.searchStrategy, opt).sort(opt.sort)
}
function __setOptions_4 (_opt) {
opt = _opt || {}
opt.fuzzy = _opt.fuzzy || false
opt.limit = _opt.limit || 10
opt.searchStrategy = _opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = _opt.sort || NoSort
opt.exclude = _opt.exclude || []
}
function findMatches (data, crit, strategy, opt) {
const matches = []
for (let i = 0; i < data.length & & matches . length < opt . limit ; i + + ) {
const match = findMatchesInObject(data[i], crit, strategy, opt)
if (match) {
matches.push(match)
}
}
return matches
}
function findMatchesInObject (obj, crit, strategy, opt) {
for (const key in obj) {
if (!isExcluded(obj[key], opt.exclude) & & strategy.matches(obj[key], crit)) {
return obj
}
}
}
function isExcluded (term, excludedTerms) {
for (let i = 0, len = excludedTerms.length; i < len ; i + + ) {
const excludedTerm = excludedTerms[i]
if (new RegExp(excludedTerm).test(term)) {
return true
}
}
return false
}
/* globals ActiveXObject:false */
'use strict'
var _$JSONLoader_2 = {
load: load
}
function load (location, callback) {
const xhr = getXHR()
xhr.open('GET', location, true)
xhr.onreadystatechange = createStateChangeListener(xhr, callback)
xhr.send()
}
function createStateChangeListener (xhr, callback) {
return function () {
if (xhr.readyState === 4 & & xhr.status === 200) {
try {
callback(null, JSON.parse(xhr.responseText))
} catch (err) {
callback(err, null)
}
}
}
}
function getXHR () {
return window.XMLHttpRequest ? new window.XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP')
}
'use strict'
var _$OptionsValidator_3 = function OptionsValidator (params) {
if (!validateParams(params)) {
throw new Error('-- OptionsValidator: required options missing')
}
if (!(this instanceof OptionsValidator)) {
return new OptionsValidator(params)
}
const requiredOptions = params.required
this.getRequiredOptions = function () {
return requiredOptions
}
this.validate = function (parameters) {
const errors = []
requiredOptions.forEach(function (requiredOptionName) {
if (typeof parameters[requiredOptionName] === 'undefined') {
errors.push(requiredOptionName)
}
})
return errors
}
function validateParams (params) {
if (!params) {
return false
}
return typeof params.required !== 'undefined' & & params.required instanceof Array
}
}
'use strict'
var _$utils_9 = {
merge: merge,
isJSON: isJSON
}
function merge (defaultParams, mergeParams) {
const mergedOptions = {}
for (const option in defaultParams) {
mergedOptions[option] = defaultParams[option]
if (typeof mergeParams[option] !== 'undefined') {
mergedOptions[option] = mergeParams[option]
}
}
return mergedOptions
}
function isJSON (json) {
try {
if (json instanceof Object & & JSON.parse(JSON.stringify(json))) {
return true
}
return false
} catch (err) {
return false
}
}
var _$src_8 = {};
(function (window) {
'use strict'
let options = {
searchInput: null,
resultsContainer: null,
json: [],
success: Function.prototype,
searchResultTemplate: '< li > < a href = "{url}" title = "{desc}" > {title}< / a > < / li > ',
templateMiddleware: Function.prototype,
sortMiddleware: function () {
return 0
},
noResultsText: 'No results found',
limit: 10,
fuzzy: false,
debounceTime: null,
exclude: []
}
let debounceTimerHandle
const debounce = function (func, delayMillis) {
if (delayMillis) {
clearTimeout(debounceTimerHandle)
debounceTimerHandle = setTimeout(func, delayMillis)
} else {
func.call()
}
}
const requiredOptions = ['searchInput', 'resultsContainer', 'json']
/* removed: const _$Templater_7 = require('./Templater') */;
/* removed: const _$Repository_4 = require('./Repository') */;
/* removed: const _$JSONLoader_2 = require('./JSONLoader') */;
const optionsValidator = _$OptionsValidator_3({
required: requiredOptions
})
/* removed: const _$utils_9 = require('./utils') */;
window.SimpleJekyllSearch = function (_options) {
const errors = optionsValidator.validate(_options)
if (errors.length > 0) {
throwError('You must specify the following required options: ' + requiredOptions)
}
options = _$utils_9.merge(options, _options)
_$Templater_7.setOptions({
template: options.searchResultTemplate,
middleware: options.templateMiddleware
})
_$Repository_4.setOptions({
fuzzy: options.fuzzy,
limit: options.limit,
sort: options.sortMiddleware,
exclude: options.exclude
})
if (_$utils_9.isJSON(options.json)) {
initWithJSON(options.json)
} else {
initWithURL(options.json)
}
const rv = {
search: search
}
typeof options.success === 'function' & & options.success.call(rv)
return rv
}
function initWithJSON (json) {
_$Repository_4.put(json)
registerInput()
}
function initWithURL (url) {
_$JSONLoader_2.load(url, function (err, json) {
if (err) {
throwError('failed to get JSON (' + url + ')')
}
initWithJSON(json)
})
}
function emptyResultsContainer () {
options.resultsContainer.innerHTML = ''
}
function appendToResultsContainer (text) {
options.resultsContainer.innerHTML += text
}
function registerInput () {
options.searchInput.addEventListener('input', function (e) {
if (isWhitelistedKey(e.which)) {
emptyResultsContainer()
debounce(function () { search(e.target.value) }, options.debounceTime)
}
})
}
function search (query) {
if (isValidQuery(query)) {
emptyResultsContainer()
render(_$Repository_4.search(query), query)
}
}
function render (results, query) {
const len = results.length
if (len === 0) {
return appendToResultsContainer(options.noResultsText)
}
for (let i = 0; i < len ; i + + ) {
results[i].query = query
appendToResultsContainer(_$Templater_7.compile(results[i]))
}
}
function isValidQuery (query) {
return query & & query.length > 0
}
function isWhitelistedKey (key) {
return [13, 16, 20, 37, 38, 39, 40, 91].indexOf(key) === -1
}
function throwError (message) {
throw new Error('SimpleJekyllSearch --- ' + message)
}
})(window)
}());
< / script >
<!-- Configuration -->
< script >
SimpleJekyllSearch({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
json: '/search.json',
//searchResultTemplate: '< li > < a href = "https://static.rnmkcy.eu{url}" > {date} {title}< / a > < / li > '
searchResultTemplate: '< li > < a href = "{url}" > {date} {title}< / a > < / li > '
})
< / script >
<!-- Fin déclaration champ de recherche --> < / div > < nav class = "navigation" >
2024-11-28 11:42:23 +01:00
< ul > < li class = "navigation__item" > < a href = "/archive.html" > Etiquettes< / a > < / li > < li class = "navigation__item" > < a href = "/htmldoc.html" > Documents< / a > < / li > < li class = "navigation__item" > < a href = "/liens_ttrss.html" > Liens< / a > < / li > < li class = "navigation__item" > < a href = "/syntaxe-markdown.html" > Aide< / a > < / li > < / ul >
2024-10-31 20:18:37 +01:00
< / nav > < / div >
< / header >
< / div > < div class = "page__content" > < div class = "main" > < div class = "grid grid--reverse" >
< div class = "col-main cell cell--auto" > <!-- start custom main top snippet --> < div id = "results-container" class = "search-result js-search-result" > < / div > <!-- end custom main top snippet -->
< article itemscope itemtype = "http://schema.org/Article" > < div class = "article__header" > < header > < h1 style = "color:Tomato;" > Node.js Stack "bitnami-node" (VirtualBox/PC1)< / h1 > < / header > < / div > < meta itemprop = "headline" content = "Node.js Stack " bitnami-node " ( VirtualBox / PC1 ) " > < div class = "article__info clearfix" > < ul class = "left-col menu" > < li >
2024-11-08 14:10:33 +01:00
< a class = "button button--secondary button--pill button--sm" style = "color:#00FFFF" href = "/archive.html?tag=virtuel" > virtuel< / a >
2024-10-31 20:18:37 +01:00
< / li > < / ul > < ul class = "right-col menu" > < li >
< i class = "far fa-calendar-alt" > < / i > < span title = "Création" style = "color:#FF00FF" > 25 avr. 2019< / span >
< span title = "Modification" style = "color:#00FF7F" > 23 mai 2019< / span > < / li > < / ul > < / div > < meta itemprop = "datePublished" content = "2019-05-23T00:00:00+02:00" >
< meta itemprop = "keywords" content = "virtuel" > < div class = "js-article-content" >
< div class = "layout--article" > <!-- start custom article top snippet -->
< style >
#myBtn {
display: none;
position: fixed;
bottom: 10px;
right: 10px;
z-index: 99;
font-size: 12px;
font-weight: bold;
border: none;
outline: none;
background-color: white;
color: black;
cursor: pointer;
padding: 5px;
border-radius: 4px;
}
#myBtn:hover {
background-color: #555;
}
< / style >
< button onclick = "topFunction()" id = "myBtn" title = "Haut de page" > ⇧ < / button >
< script >
//Get the button
var mybutton = document.getElementById("myBtn");
// When the user scrolls down 20px from the top of the document, show the button
window.onscroll = function() {scrollFunction()};
function scrollFunction() {
if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
mybutton.style.display = "block";
} else {
mybutton.style.display = "none";
}
}
// When the user clicks on the button, scroll to the top of the document
function topFunction() {
document.body.scrollTop = 0;
document.documentElement.scrollTop = 0;
}
< / script >
<!-- end custom article top snippet -->
< div class = "article__content" itemprop = "articleBody" > < details >
< summary > < b > Afficher/cacher Sommaire< / b > < / summary >
<!-- affichage sommaire -->
< div class = "toc-aside js-toc-root" > < / div >
< / details > < h1 id = "nodejs" > NodeJS< / h1 >
< p > < img src = "/images/Node_logo.png" alt = "" / > < / p >
< ul >
< li > < a href = "https://bitnami.com/stack/nodejs/virtual-machine" > Bitnami Node.js Stack Virtual Machines< / a > < / li >
< li > < a href = "https://buzut.net/configurer-node-js-pour-le-serveur/" > Configurer Node.js pour le serveur< / a > < / li >
< / ul >
< p > Nom du fichier information : < strong > 2019-04-25-Node.js_Stack_Virtual_Machine(VirtualBox).md< / strong > < br / >
Machine virtuelle (VirtualBox) : < strong > bitnami-node< / strong > < br / >
Utilisateur : < strong > bitnami< / strong > < br / >
Mot de passe : < strong > bitnami49450< / strong > < br / >
Accès SSH : < strong > ssh bitnami@192.168.0.29< / strong > < br / >
Accès par < a href = "http://192.168.0.29" > http://192.168.0.29< / a > ou < a href = "http://nodejs" > http://nodejs< / a > < / p >
< h2 id = "machine-virtuelle-nodejs-virtualbox" > Machine virtuelle (node.js VirtualBox)< / h2 >
< p > < a href = "https://bitnami.com/redirect/to/525308/bitnami-node-12.0.0-0-linux-debian-9-x86_64.ova" > Télécharger la machine virtuelle Node.js Stack (ova)< / a > < / p >
< p > Vérifier le ckecksum :< br / >
MD5 → ff51f348e18893ab04f4dc1e737290f9< br / >
SHA1 → 94ca4d4c52d6bb65a77616bac9bbb69b942e40f6< br / >
SHA256 → dea3ba9fba328ca68938d925c157a4f58dca07ea3d10a40bb28a5df5d47eb269< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > sha1sum bitnami-node-12.0.0-0-linux-debian-9-x86_64.ova
94ca4d4c52d6bb65a77616bac9bbb69b942e40f6 bitnami-node-12.0.0-0-linux-debian-9-x86_64.ova
< / code > < / pre > < / div > < / div >
< p > Ouvrir “Oracle VM VirtualBox” → Fichier → Importer un appareil virtuel…< / p >
< p > < img src = "/images/nodejs01.png" alt = "" width = "600" / > < / p >
< p > < img src = "/images/nodejs02.png" alt = "" width = "600" / > < / p >
< p > < img src = "/images/nodejs03.png" alt = "" width = "600" / > < / p >
< p > Cliquer sur “Démarrer”< / p >
< p > < img src = "/images/nodejs04.png" alt = "" width = "600" / > < / p >
< blockquote >
< p > < strong > ATTENTION!!! Clavier en qwerty< / strong > < / p >
< / blockquote >
< p > Changer le mot de passe de < strong > bitnami< / strong > → < strong > bitnami49450< / strong > < br / >
Passer em mode su : < code class = "language-plaintext highlighter-rouge" > sudo -s< / code > < br / >
Installer nano comme éditeur de texte : < code class = "language-plaintext highlighter-rouge" > apt install nano< / code > < br / >
Installer le paquet pour configurer le clavier fr :< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > apt-get install console-data
< / code > < / pre > < / div > < / div >
< p > < img src = "/images/nodejs05.png" alt = "" width = "600" / > < / p >
< p > < img src = "/images/nodejs06.png" alt = "" width = "600" / > < / p >
< p > < img src = "/images/nodejs07.png" alt = "" width = "600" / > < / p >
< p > Relever l’ < code class = "language-plaintext highlighter-rouge" > ip a< / code > → 192.168.0.29< br / >
Effacer le fichier : < code class = "language-plaintext highlighter-rouge" > rm /etc/ssh/sshd_not_to_be_run< / code > pour autoriser l’ < br / >
Activer et lancer ssh< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > systemctl enable ssh
systemctl start ssh
< / code > < / pre > < / div > < / div >
< p > Connexion par ssh : < code class = "language-plaintext highlighter-rouge" > ssh bitnami@192.168.0.29< / code > < / p >
< div class = "language-bash highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
___ _ _ _
| _ |_< span class = "o" > )< / span > |_ _ _ __ _ _ __ < span class = "o" > (< / span > _< span class = "o" > )< / span >
| _ < span class = "se" > \ < / span > | _| < span class = "s1" > ' \/ _` | '< / span > < span class = "se" > \|< / span > |
|___/_|< span class = "se" > \_< / span > _|_|_|< span class = "se" > \_< / span > _,_|_|_|_|_|
< span class = "k" > ***< / span > Welcome to the Bitnami Node.js 12.0.0-0 < span class = "k" > ***< / span >
< span class = "k" > ***< / span > Documentation: https://docs.bitnami.com/virtual-machine/infrastructure/nodejs/ < span class = "k" > ***< / span >
< span class = "k" > ***< / span > https://docs.bitnami.com/virtual-machine/ < span class = "k" > ***< / span >
< span class = "k" > ***< / span > Bitnami Forums: https://community.bitnami.com/ < span class = "k" > ***< / span >
Last login: Thu Apr 25 11:08:14 2019
< / code > < / pre > < / div > < / div >
< h3 id = "tester-nodejs-avec-un-programme-minimal" > Tester Node.js avec un programme minimal< / h3 >
< p > Pour commencer, ouvrez votre éditeur de texte favori (vim, Emacs, Sublime Text, Notepad++…) et rentrez le code JavaScript suivant :< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > console.log('Bienvenue dans Node.js !');
< / code > < / pre > < / div > < / div >
< p > Enregistrez votre fichier sous l’ < / p >
< p > Ensuite, ouvrez une console dans le dossier où se trouve votre fichier test.js et entrez la commande node test.js. Vous devriez avoir le résultat suivant dans la console :< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > $ node test.js
Bienvenue dans Node.js !
< / code > < / pre > < / div > < / div >
< h2 id = "application-météo-simple-avec-nodejs" > Application météo simple avec Node.js< / h2 >
< p > Appeler l’ < / p >
< ul >
< li > Compte < strong > OpenWeatherMap.org< / strong > < / li >
< li > < strong > Node.js< / strong > : Visitez le < a href = "https://nodejs.org/en/" > site web officiel de Node.js< / a > pour télécharger et installer Node.< / li >
< / ul >
< h3 id = "étape-1-openweathermap" > Étape 1: OpenWeatherMap< / h3 >
< p > < strong > < a href = "https://openweathermap.org/api" > OpenWeatherMap< / a > < / strong > utilise les API (11 API différentes toutes liées à la météo) auxquelles vous pouvez accéder.< br / >
Pour ce projet, nous utiliserons l’ < a href = "https://openweathermap.org/appid" > ce lien< / a > et créez un compte. Tout ce dont vous avez besoin est une adresse email et un mot de passe.< br / >
Une fois connecté, sélectionnez l’ < strong > API keys< / strong > (Clés API) . À partir de là, vous pouvez créer une clé sur le côté droit de la page. Entrez un nom (tout fonctionne) et sélectionnez générer. Votre clé API apparaîtra à gauche. Copiez cette clé pour plus tard.< / p >
< h3 id = "étape-2-configuration-du-projet" > Étape 2: Configuration du projet< / h3 >
< p > 1-Créez un répertoire vide nommé “node-weather” et exécutez:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > mkdir node-weather
cd node-weather
npm init
< / code > < / pre > < / div > < / div >
< p > 2-Remplissez les informations requises pour initialiser le projet.< br / >
Le fichier package.json après l’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > {
"name": "nodejs-weather-app",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \\\" Erreur: aucun test spécifié \\ \"& & exit 1"
},
"author": "yann",
"license": "ISC"
}
< / code > < / pre > < / div > < / div >
< p > 3-Créez un fichier nommé < strong > index.js< / strong > < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > touch index.js
< / code > < / pre > < / div > < / div >
< p > ce fichier hébergera le code de notre application.< / p >
< p > Maintenant que nous avons toutes les pièces, on commence à construire!< / p >
< h3 id = "faire-lappel-api" > Faire l’ < / h3 >
< p > Pour faire notre appel API, nous utiliserons un module npm populaire appelé request . request a des millions de téléchargements et est un module qui simplifie le code nécessaire pour effectuer une requête http dans un nœud.< / p >
< p > Demande d’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > npm install request --save
< / code > < / pre > < / div > < / div >
< p > Comme je l’ < / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > const< / span > < span class = "nx" > request< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > request< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "nf" > request< / span > < span class = "p" > (< / span > < span class = "nx" > url< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ,< / span > < span class = "nx" > response< / span > < span class = "p" > ,< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ){< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > error:< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nx" > error< / span > < span class = "p" > );< / span >
< span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > body:< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nx" > body< / span > < span class = "p" > );< / span >
< span class = "p" > }< / span >
< span class = "p" > });< / span >
< / code > < / pre > < / div > < / div >
< p > Permet de décomposer ce code:< / p >
< ol >
< li > Nous avons besoin du paquet de demande< / li >
< li > Nous passons dans une URL et request renvoie une fonction de rappel avec trois arguments: < em > err< / em > , < em > response< / em > et < em > body< / em > < / li >
< li > Nous vérifions s’ ’ ’ < / li >
< li > S’ ’ ’ < / li >
< / ol >
< p > < strong > Alors quelle est l’ < / strong > < / p >
< p > En lisant la documentation OpenWeatherMap, nous sommes en mesure de déterminer l’ < a href = "http://api.openweathermap.org/data/2.5/weather" > http://api.openweathermap.org/data/2.5/weather< / a > < br / >
L’ < br / >
Les paramètres de requête sont des paires clé/valeur qui nous permettent de transmettre des données à une URL< br / >
Dans ce cas, nous devons inclure la ville que nous recherchons et notre clé API.< / p >
< p > Voici à quoi ressemblera le code:< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > let< / span > < span class = "nx" > apiKey< / span > < span class = "o" > =< / span > < span class = "dl" > '< / span > < span class = "s1" > ****************************< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > city< / span > < span class = "o" > =< / span > < span class = "dl" > '< / span > < span class = "s1" > portland< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > url< / span > < span class = "o" > =< / span > < span class = "s2" > `http://api.openweathermap.org/data/2.5/weather?q=< / span > < span class = "p" > ${< / span > < span class = "nx" > city< / span > < span class = "p" > }< / span > < span class = "s2" > & appid=< / span > < span class = "p" > ${< / span > < span class = "nx" > apiKey< / span > < span class = "p" > }< / span > < span class = "s2" > `< / span >
< / code > < / pre > < / div > < / div >
< p > Nous avons fait 3 choses ci-dessus:< / p >
< ol >
< li > Créez une variable nommée < strong > apiKey< / strong > et lui assignez la clé API OpenWeatherMap< / li >
< li > Créez une variable < strong > city< / strong > et lui attribuez une valeur chaîne de la ville à tester< / li >
< li > Créez une variable nommée < strong > url< / strong > et attribuez-lui l’ ’ & esperluette.< / li >
< / ol >
< p > Voici le code:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > nano index.js
< / code > < / pre > < / div > < / div >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > let< / span > < span class = "nx" > request< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > request< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "kd" > let< / span > < span class = "nx" > apiKey< / span > < span class = "o" > =< / span > < span class = "dl" > '< / span > < span class = "s1" > *****************************< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > city< / span > < span class = "o" > =< / span > < span class = "dl" > '< / span > < span class = "s1" > portland< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > url< / span > < span class = "o" > =< / span > < span class = "s2" > `http://api.openweathermap.org/data/2.5/weather?q=< / span > < span class = "p" > ${< / span > < span class = "nx" > city< / span > < span class = "p" > }< / span > < span class = "s2" > & appid=< / span > < span class = "p" > ${< / span > < span class = "nx" > apiKey< / span > < span class = "p" > }< / span > < span class = "s2" > `< / span >
< span class = "nf" > request< / span > < span class = "p" > (< / span > < span class = "nx" > url< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ,< / span > < span class = "nx" > response< / span > < span class = "p" > ,< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ){< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > error:< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nx" > error< / span > < span class = "p" > );< / span >
< span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > body:< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nx" > body< / span > < span class = "p" > );< / span >
< span class = "p" > }< / span >
< span class = "p" > });< / span >
< / code > < / pre > < / div > < / div >
< p > Nous pouvons maintenant exécuter notre code dans la console en tapant:< / p >
< p > noeud index.js< / p >
< p > est renvoyé le texte suivant:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > body: {"coord":{"lon":-122.67,"lat":45.52},"weather":[{"id":800,"main":"Clear","description":"clear sky","icon":"01n"}],"base":"stations","main":{"temp":278.95,"pressure":1021,"humidity":66,"temp_min":275.93,"temp_max":282.15},"visibility":16093,"wind":{"speed":2.1,"deg":340},"clouds":{"all":1},"dt":1556196456,"sys":{"type":1,"id":5321,"message":0.0096,"country":"US","sunrise":1556197688,"sunset":1556248130},"id":5746545,"name":"Portland","cod":200}
< / code > < / pre > < / div > < / div >
< p > Ça marche! Comme vous pouvez le constater, nous avons envoyé avec succès une demande à l’ ’ ’ ’ < / p >
< blockquote >
< p > IMPORTANT: Dans les prochains tutoriels, je vous montrerai comment masquer votre clé API à l’ ’ ’ ’ ’ < / p >
< / blockquote >
< h3 id = "améliorer-la-réponse" > Améliorer la réponse< / h3 >
< p > La première chose à faire est de convertir le texte renvoyé (appelé JSON) en un objet JavaScript. (JavaScript Object Notation) est un moyen de stocker des informations de manière organisée et facile d’ < / p >
< p > Nous pouvons effectuer cette conversion avec une seule ligne de code:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > let weather = JSON.parse(body)
< / code > < / pre > < / div > < / div >
< p > Maintenant que nous avons un objet JavaScript, nous pouvons accéder aux données de cet objet avec une notation par points ou par crochets. Ci-dessous, nous construisons une chaîne de message en accédant aux données de notre objet météo:< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > let< / span > < span class = "nx" > message< / span > < span class = "o" > =< / span > < span class = "s2" > `It's < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > main< / span > < span class = "p" > .< / span > < span class = "nx" > temp< / span > < span class = "p" > }< / span > < span class = "s2" > degrees in
< / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > name< / span > < span class = "p" > }< / span > < span class = "s2" > !`< / span > < span class = "p" > ;< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "nx" > message< / span > < span class = "p" > );< / span >
< / code > < / pre > < / div > < / div >
< p > Si nous devions exécuter notre application à ce stade, nous aurions:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > node index.js
< / code > < / pre > < / div > < / div >
< p > → It’ < / p >
< p > OpenWeatherMap modifie sa température par défaut à Kelvin. Nous devons donc ajouter un autre paramètre de requête.< / p >
< ul >
< li > < strong > Celsius< / strong > , vous ajouterez: < strong > units=metric< / strong > < / li >
< li > < strong > Fahrenheit< / strong > , vous utiliserez < strong > units=imperial< / strong > .< / li >
< / ul >
< p > Maintenant si nous exécutons:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > nodeindex.js
< / code > < / pre > < / div > < / div >
< p > → It’ < / p >
< p > Voici le code à ce stade:< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > let< / span > < span class = "nx" > request< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > request< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "kd" > let< / span > < span class = "nx" > apiKey< / span > < span class = "o" > =< / span > < span class = "dl" > '< / span > < span class = "s1" > ***********************************< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > city< / span > < span class = "o" > =< / span > < span class = "dl" > '< / span > < span class = "s1" > portland< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > url< / span > < span class = "o" > =< / span > < span class = "s2" > `http://api.openweathermap.org/data/2.5/weather?q=< / span > < span class = "p" > ${< / span > < span class = "nx" > city< / span > < span class = "p" > }< / span > < span class = "s2" > & units=metric& appid=< / span > < span class = "p" > ${< / span > < span class = "nx" > apiKey< / span > < span class = "p" > }< / span > < span class = "s2" > `< / span >
< span class = "nf" > request< / span > < span class = "p" > (< / span > < span class = "nx" > url< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ,< / span > < span class = "nx" > response< / span > < span class = "p" > ,< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ){< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > error:< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nx" > error< / span > < span class = "p" > );< / span >
< span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > weather< / span > < span class = "o" > =< / span > < span class = "nx" > JSON< / span > < span class = "p" > .< / span > < span class = "nf" > parse< / span > < span class = "p" > (< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span >
< span class = "kd" > let< / span > < span class = "nx" > message< / span > < span class = "o" > =< / span > < span class = "s2" > `It's < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > main< / span > < span class = "p" > .< / span > < span class = "nx" > temp< / span > < span class = "p" > }< / span > < span class = "s2" > degrees in < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > name< / span > < span class = "p" > }< / span > < span class = "s2" > !`< / span > < span class = "p" > ;< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "nx" > message< / span > < span class = "p" > );< / span >
< span class = "p" > }< / span >
< span class = "p" > });< / span >
< / code > < / pre > < / div > < / div >
< h3 id = "ajouter-de-linteractivité" > Ajouter de l’ < / h3 >
< p > Nous avons uniquement accès au climat à Portland, Oregon.Pour ajouter une interactivité nous utiliserons des < a href = "https://www.npmjs.com/package/yargs" > “yargs”< / a > . Yargs est un outil d’ < / p >
< p > Installez yargs avec:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > npm install yargs --save
< / code > < / pre > < / div > < / div >
< p > Yargs fonctionne en exposant toutes les variables que nous utilisons dans la console sur l’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > const argv = require('yargs').argv;
< / code > < / pre > < / div > < / div >
< p > Nous utiliserons le drapeau “c” comme ville:< br / >
< em > Si notre variable < strong > city< / strong > est égale à < strong > argv.c< / strong > OU si aucune variable n’ < / em > < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > let city = argv.c || 'portland';
< / code > < / pre > < / div > < / div >
< p > Maintenant, pour exécuter l’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > node index.js
< / code > < / pre > < / div > < / div >
< p > Nous devons passer une variable nommée < strong > “c”< / strong > comme ceci:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > node index.js -c Boston
< / code > < / pre > < / div > < / div >
< p > → It’ < / p >
< p > Nous utilisons un drapeau pour indiquer que nous passons dans la variable. Puisque nous configurons notre variable comme étant la lettre < strong > “c”< / strong > nous passons dans notre variable avec < strong > “-c”< / strong > . Après un espace, nous pouvons utiliser n’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > node index.js -c Anchorage
< / code > < / pre > < / div > < / div >
< p > Voici le code à ce stade:< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > const< / span > < span class = "nx" > request< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > request< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "kd" > const< / span > < span class = "nx" > argv< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > yargs< / span > < span class = "dl" > '< / span > < span class = "p" > ).< / span > < span class = "nx" > argv< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > apiKey< / span > < span class = "o" > =< / span > < span class = "dl" > '< / span > < span class = "s1" > *****************************< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > city< / span > < span class = "o" > =< / span > < span class = "nx" > argv< / span > < span class = "p" > .< / span > < span class = "nx" > c< / span > < span class = "o" > ||< / span > < span class = "dl" > '< / span > < span class = "s1" > portland< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > url< / span > < span class = "o" > =< / span > < span class = "s2" > `http://api.openweathermap.org/data/2.5/weather?q=< / span > < span class = "p" > ${< / span > < span class = "nx" > city< / span > < span class = "p" > }< / span > < span class = "s2" > & units=metric& appid=< / span > < span class = "p" > ${< / span > < span class = "nx" > apiKey< / span > < span class = "p" > }< / span > < span class = "s2" > `< / span >
< span class = "nf" > request< / span > < span class = "p" > (< / span > < span class = "nx" > url< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ,< / span > < span class = "nx" > response< / span > < span class = "p" > ,< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ){< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > error:< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nx" > error< / span > < span class = "p" > );< / span >
< span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > weather< / span > < span class = "o" > =< / span > < span class = "nx" > JSON< / span > < span class = "p" > .< / span > < span class = "nf" > parse< / span > < span class = "p" > (< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span >
< span class = "kd" > let< / span > < span class = "nx" > message< / span > < span class = "o" > =< / span > < span class = "s2" > `It's < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > main< / span > < span class = "p" > .< / span > < span class = "nx" > temp< / span > < span class = "p" > }< / span > < span class = "s2" > degrees in < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > name< / span > < span class = "p" > }< / span > < span class = "s2" > !`< / span > < span class = "p" > ;< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "nx" > message< / span > < span class = "p" > );< / span >
< span class = "p" > }< / span >
< span class = "p" > });< / span >
< / code > < / pre > < / div > < / div >
< h2 id = "site-web-météo-nodejs--express--openweather" > Site Web météo (Node.js + Express + OpenWeather)< / h2 >
< h3 id = "nécessité-dun-proxy-nginx" > Nécessité d’ < / h3 >
< p > Pour un accès web extérieur ,il faut utiliser un proxy < br / >
Installer nginx et l’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > sudo apt install nginx tree
< / code > < / pre > < / div > < / div >
< p > Configurer le proxy< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > sudo nano /etc/nginx/sites-enabled/default
< / code > < / pre > < / div > < / div >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > server {
listen 80 default_server;
listen [::]:80 default_server;
server_name _;
location / {
proxy_pass http://localhost:3000;
}
}
< / code > < / pre > < / div > < / div >
< p > Vérifier et relancer nginx< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > sudo nginx -t
sudo systemctl restart nginx
< / code > < / pre > < / div > < / div >
< p > Accès par http://192.168.0.29< br / >
Si vous ajoutez à /etc/hosts du PC1 la ligne suivante< br / >
< code class = "language-plaintext highlighter-rouge" > 192.168.0.29 nodejs< / code > < br / >
L’ < / p >
< h3 id = "configuration-du-projet" > Configuration du projet< / h3 >
< p > Le code de ce projet se trouve dans le < a href = "https://github.com/bmorelli25/simple-nodejs-weather-app" > Repo GitHub< / a > < / p >
< ol >
< li > Créez un répertoire vide nommé < strong > weather-app< / strong > , < code class = "language-plaintext highlighter-rouge" > mkdir ~/weather-app< / code > < / li >
< li > Ouvrez votre console, accédez à notre nouveau répertoire et exécutez < code class = "language-plaintext highlighter-rouge" > npm init< / code > .< / li >
< li > Remplissez les informations requises pour initialiser le projet.< / li >
< li > Dans notre répertoire weather-app , créez un fichier nommé server.js : < code class = "language-plaintext highlighter-rouge" > touch server.js< / code > < br / >
Ce fichier hébergera le code de notre application.< / li >
< / ol >
< p > le fichier /home/bitnami/weather-app/package.json:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > {
"name": "web-weather-app",
"version": "1.0.0",
"description": "application web météo",
"main": "server.js",
"scripts": {
"test": "echo \"Error: no test specified\" & & exit 1"
},
"author": "yann",
"license": "ISC"
}
< / code > < / pre > < / div > < / div >
< h3 id = "création-du-serveur-express-js" > Création du serveur (Express JS)< / h3 >
< p > Express est un framework Web minimaliste pour Node.js. Express facilite grandement la création et l’ ’ < / p >
< p > Pour utiliser express, installez-le dans la console:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > npm install --save express
< / code > < / pre > < / div > < / div >
< p > Une fois installé, nous allons copier l’ < a href = "https://expressjs.com/en/starter/hello-world.html" > documentation Express< / a > :< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > const< / span > < span class = "nx" > express< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > express< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "kd" > const< / span > < span class = "nx" > app< / span > < span class = "o" > =< / span > < span class = "nf" > express< / span > < span class = "p" > ()< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > send< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > Hello World!< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "p" > })< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > listen< / span > < span class = "p" > (< / span > < span class = "mi" > 3000< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > Example app listening on port 3000!< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< p > Vous trouverez ci-dessus un exemple d’ ’ ’ < / p >
< p > < strong > app.get(‘ < / strong > signifie que nous nous concentrons spécifiquement sur l’ ’ < br / >
< strong > app.listen(…< / strong > indique que nous créons un serveur qui écoute sur le port 3000 pour les connexions.< / p >
< p > Nous pouvons tester notre serveur en exécutant:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > node server.js
< / code > < / pre > < / div > < / div >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > Example app listening on port 3000!
< / code > < / pre > < / div > < / div >
< p > Maintenant, ouvrez votre navigateur et visitez: localhost:3000 et vous devriez voir Hello World!< br / >
Si proxy , http://192.168.0.29 ou http://nodejs< / p >
< p > Impressionnant! Vous venez de créer un serveur avec Node.js et Express!
Configuration de la vue d’ < / p >
< p > Au lieu de répondre avec du texte lorsque quelqu’ < a href = "http://www.embeddedjs.com/" > Embedded Javascript [JavaScript incorporé] < / a > ). EJS est un langage de template.< / p >
< p > Pour utiliser EJS dans Express, nous devons configurer notre < strong > template engine< / strong > (moteur de modèle):< / p >
< blockquote >
< p > < em > Un < strong > template engine< / strong > (moteur de modèle) vous permet d’ ’ ’ ’ < / em > < / p >
< / blockquote >
< p > EJS nous permet d’ < / p >
< p > Tout d’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > npm install ejs --save
< / code > < / pre > < / div > < / div >
< p > Nous pouvons ensuite configurer notre moteur de template avec cette ligne de code (juste en dessous de nos instructions require) dans notre fichier server.js :< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > app.set('view engine', 'ejs')
< / code > < / pre > < / div > < / div >
< p > EJS est accessible par défaut dans le répertoire < strong > views< / strong > . Créez donc un nouveau dossier nommé views dans votre répertoire. Dans ce dossier de views , ajoutez un fichier nommé index.ejs . Considérez notre fichier index.ejs comme un fichier HTML pour le moment.< / p >
< p > notre structure de fichiers jusqu’ < / p >
< div class = "language-bash highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > weather-app/
├── package.json
├── server.js
└── views
└── index.ejs
< / code > < / pre > < / div > < / div >
< p > Le fichier index.ejs devrait être assez simple ,c’ ’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > nano views/index.ejs
< / code > < / pre > < / div > < / div >
< div class = "language-html highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "cp" > < !DOCTYPE html> < / span >
< span class = "nt" > < html> < / span >
< span class = "nt" > < head> < / span >
< span class = "nt" > < meta< / span > < span class = "na" > charset=< / span > < span class = "s" > "utf-8"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < title> < / span > Test< span class = "nt" > < /title> < / span >
< span class = "nt" > < link< / span > < span class = "na" > rel=< / span > < span class = "s" > "stylesheet"< / span > < span class = "na" > type=< / span > < span class = "s" > "text/css"< / span > < span class = "na" > href=< / span > < span class = "s" > "/css/style.css"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < link< / span > < span class = "na" > href=< / span > < span class = "s" > 'https://fonts.googleapis.com/css?family=Open+Sans:300'< / span > < span class = "na" > rel=< / span > < span class = "s" > 'stylesheet'< / span > < span class = "na" > type=< / span > < span class = "s" > 'text/css'< / span > < span class = "nt" > > < / span >
< span class = "nt" > < /head> < / span >
< span class = "nt" > < body> < / span >
< span class = "nt" > < div< / span > < span class = "na" > class=< / span > < span class = "s" > "container"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < fieldset> < / span >
< span class = "nt" > < form< / span > < span class = "na" > action=< / span > < span class = "s" > "/"< / span > < span class = "na" > method=< / span > < span class = "s" > "post"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < input< / span > < span class = "na" > name=< / span > < span class = "s" > "city"< / span > < span class = "na" > type=< / span > < span class = "s" > "text"< / span > < span class = "na" > class=< / span > < span class = "s" > "ghost-input"< / span > < span class = "na" > placeholder=< / span > < span class = "s" > "Enter a City"< / span > < span class = "na" > required< / span > < span class = "nt" > > < / span >
< span class = "nt" > < input< / span > < span class = "na" > type=< / span > < span class = "s" > "submit"< / span > < span class = "na" > class=< / span > < span class = "s" > "ghost-button"< / span > < span class = "na" > value=< / span > < span class = "s" > "Get Weather"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < /form> < / span >
< span class = "nt" > < /fieldset> < / span >
< span class = "nt" > < /div> < / span >
< span class = "nt" > < /body> < / span >
< span class = "nt" > < /html> < / span >
< / code > < / pre > < / div > < / div >
< p > Une fois que le code ci-dessus est copié dans votre fichier < strong > index.ejs< / strong > , vous avez presque terminé!< br / >
La dernière chose à faire est de remplacer notre code < em > app.get< / em > dans le fichier < strong > server.js< / strong > :< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "c1" > // OLD CODE< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > send< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > Hello World!< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< p > Ci-dessus l’ < strong > index.ejs< / strong > :< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< p > Au lieu d’ < em > res.send< / em > , nous utilisons < em > res.render< / em > lorsque nous travaillons avec un langage de template.< br / >
< em > res.render< / em > rendra notre vue, puis enverra le code HTML équivalent au client.< / p >
< p > Le fichier server.js< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > const< / span > < span class = "nx" > express< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > express< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "kd" > const< / span > < span class = "nx" > app< / span > < span class = "o" > =< / span > < span class = "nf" > express< / span > < span class = "p" > ()< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > set< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > view engine< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "dl" > '< / span > < span class = "s1" > ejs< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "p" > })< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > listen< / span > < span class = "p" > (< / span > < span class = "mi" > 3000< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > Example app listening on port 3000!< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< p > tester à nouveau en exécutant:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > node server.js
< / code > < / pre > < / div > < / div >
< p > // Example app listening on port 3000!< / p >
< p > Ouvrez maintenant votre navigateur et visitez: localhost:3000 (http://nodejs) et vous devriez voir notre fichier index.ejs être affiché!< / p >
< p > < img src = "/images/nodejs08.png" alt = "" / > < / p >
< h3 id = "ajouter-fichier-css" > Ajouter fichier CSS< / h3 >
< p > Le vôtre sera un peu moins “joli” que le mien. C’ ’ < / p >
< p > Vous devrez ajouter un nouveau dossier à notre projet appelé public . Dans ce dossier, créez un dossier css , puis un fichier nommé style.css .< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > mkdir -p ~/weather-app/public/css
touch ~/weather-app/public/css/style.css
< / code > < / pre > < / div > < / div >
< p > nouvelle structure de fichier:< / p >
< div class = "language-bash highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > weather-app/
├── package.json
├── public
│ └── css
├── server.js
└── views
└── index.ejs
< / code > < / pre > < / div > < / div >
< p > Express n’ ’ ’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > app.use(express.static('public'));
< / code > < / pre > < / div > < / div >
< p > Ce code nous permet d’ < / p >
< p > Le fichier CSS < strong > ~/weather-app/public/css/style.css< / strong > < / p >
< div class = "language-css highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "c" > /*
Styles from this codepen:
https://codepen.io/official_naveen/pen/rgknI
*/< / span >
< span class = "nt" > body< / span > < span class = "p" > {< / span >
< span class = "nl" > width< / span > < span class = "p" > :< / span > < span class = "m" > 800px< / span > < span class = "p" > ;< / span >
< span class = "nl" > margin< / span > < span class = "p" > :< / span > < span class = "m" > 0< / span > < span class = "nb" > auto< / span > < span class = "p" > ;< / span >
< span class = "nl" > font-family< / span > < span class = "p" > :< / span > < span class = "s2" > 'Open Sans'< / span > < span class = "p" > ,< / span > < span class = "nb" > sans-serif< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< span class = "nc" > .container< / span > < span class = "p" > {< / span >
< span class = "nl" > width< / span > < span class = "p" > :< / span > < span class = "m" > 600px< / span > < span class = "p" > ;< / span >
< span class = "nl" > margin< / span > < span class = "p" > :< / span > < span class = "m" > 0< / span > < span class = "nb" > auto< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< span class = "nt" > fieldset< / span > < span class = "p" > {< / span >
< span class = "nl" > display< / span > < span class = "p" > :< / span > < span class = "nb" > block< / span > < span class = "p" > ;< / span >
< span class = "nl" > -webkit-margin-start< / span > < span class = "p" > :< / span > < span class = "m" > 0px< / span > < span class = "p" > ;< / span >
< span class = "nl" > -webkit-margin-end< / span > < span class = "p" > :< / span > < span class = "m" > 0px< / span > < span class = "p" > ;< / span >
< span class = "nl" > -webkit-padding-before< / span > < span class = "p" > :< / span > < span class = "m" > 0em< / span > < span class = "p" > ;< / span >
< span class = "nl" > -webkit-padding-start< / span > < span class = "p" > :< / span > < span class = "m" > 0em< / span > < span class = "p" > ;< / span >
< span class = "nl" > -webkit-padding-end< / span > < span class = "p" > :< / span > < span class = "m" > 0em< / span > < span class = "p" > ;< / span >
< span class = "nl" > -webkit-padding-after< / span > < span class = "p" > :< / span > < span class = "m" > 0em< / span > < span class = "p" > ;< / span >
< span class = "nl" > border< / span > < span class = "p" > :< / span > < span class = "m" > 0px< / span > < span class = "p" > ;< / span >
< span class = "nl" > border-image-source< / span > < span class = "p" > :< / span > < span class = "n" > initial< / span > < span class = "p" > ;< / span >
< span class = "nl" > border-image-slice< / span > < span class = "p" > :< / span > < span class = "n" > initial< / span > < span class = "p" > ;< / span >
< span class = "nl" > border-image-width< / span > < span class = "p" > :< / span > < span class = "n" > initial< / span > < span class = "p" > ;< / span >
< span class = "nl" > border-image-outset< / span > < span class = "p" > :< / span > < span class = "n" > initial< / span > < span class = "p" > ;< / span >
< span class = "nl" > border-image-repeat< / span > < span class = "p" > :< / span > < span class = "n" > initial< / span > < span class = "p" > ;< / span >
< span class = "nl" > min-width< / span > < span class = "p" > :< / span > < span class = "n" > -webkit-min-content< / span > < span class = "p" > ;< / span >
< span class = "nl" > padding< / span > < span class = "p" > :< / span > < span class = "m" > 30px< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< span class = "nc" > .ghost-input< / span > < span class = "o" > ,< / span > < span class = "nt" > p< / span > < span class = "p" > {< / span >
< span class = "nl" > display< / span > < span class = "p" > :< / span > < span class = "nb" > block< / span > < span class = "p" > ;< / span >
< span class = "nl" > font-weight< / span > < span class = "p" > :< / span > < span class = "m" > 300< / span > < span class = "p" > ;< / span >
< span class = "nl" > width< / span > < span class = "p" > :< / span > < span class = "m" > 100%< / span > < span class = "p" > ;< / span >
< span class = "nl" > font-size< / span > < span class = "p" > :< / span > < span class = "m" > 25px< / span > < span class = "p" > ;< / span >
< span class = "nl" > border< / span > < span class = "p" > :< / span > < span class = "m" > 0px< / span > < span class = "p" > ;< / span >
< span class = "nl" > outline< / span > < span class = "p" > :< / span > < span class = "nb" > none< / span > < span class = "p" > ;< / span >
< span class = "nl" > width< / span > < span class = "p" > :< / span > < span class = "m" > 100%< / span > < span class = "p" > ;< / span >
< span class = "nl" > -webkit-box-sizing< / span > < span class = "p" > :< / span > < span class = "n" > border-box< / span > < span class = "p" > ;< / span >
< span class = "nl" > -moz-box-sizing< / span > < span class = "p" > :< / span > < span class = "n" > border-box< / span > < span class = "p" > ;< / span >
< span class = "nl" > box-sizing< / span > < span class = "p" > :< / span > < span class = "n" > border-box< / span > < span class = "p" > ;< / span >
< span class = "nl" > color< / span > < span class = "p" > :< / span > < span class = "m" > #4b545f< / span > < span class = "p" > ;< / span >
< span class = "nl" > background< / span > < span class = "p" > :< / span > < span class = "m" > #fff< / span > < span class = "p" > ;< / span >
< span class = "nl" > font-family< / span > < span class = "p" > :< / span > < span class = "n" > Open< / span > < span class = "n" > Sans< / span > < span class = "p" > ,< / span > < span class = "n" > Verdana< / span > < span class = "p" > ;< / span >
< span class = "nl" > padding< / span > < span class = "p" > :< / span > < span class = "m" > 10px< / span > < span class = "m" > 15px< / span > < span class = "p" > ;< / span >
< span class = "nl" > margin< / span > < span class = "p" > :< / span > < span class = "m" > 30px< / span > < span class = "m" > 0px< / span > < span class = "p" > ;< / span >
< span class = "nl" > -webkit-transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "nl" > -moz-transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "nl" > -ms-transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "nl" > -o-transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "nl" > transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< span class = "nc" > .ghost-input< / span > < span class = "nd" > :focus< / span > < span class = "p" > {< / span >
< span class = "nl" > border-bottom< / span > < span class = "p" > :< / span > < span class = "m" > 1px< / span > < span class = "nb" > solid< / span > < span class = "m" > #ddd< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< span class = "nc" > .ghost-button< / span > < span class = "p" > {< / span >
< span class = "nl" > background-color< / span > < span class = "p" > :< / span > < span class = "nb" > transparent< / span > < span class = "p" > ;< / span >
< span class = "nl" > border< / span > < span class = "p" > :< / span > < span class = "m" > 2px< / span > < span class = "nb" > solid< / span > < span class = "m" > #ddd< / span > < span class = "p" > ;< / span >
< span class = "nl" > padding< / span > < span class = "p" > :< / span > < span class = "m" > 10px< / span > < span class = "m" > 30px< / span > < span class = "p" > ;< / span >
< span class = "nl" > width< / span > < span class = "p" > :< / span > < span class = "m" > 100%< / span > < span class = "p" > ;< / span >
< span class = "nl" > min-width< / span > < span class = "p" > :< / span > < span class = "m" > 350px< / span > < span class = "p" > ;< / span >
< span class = "nl" > -webkit-transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "nl" > -moz-transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "nl" > -ms-transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "nl" > -o-transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "nl" > transition< / span > < span class = "p" > :< / span > < span class = "n" > all< / span > < span class = "m" > 0.1s< / span > < span class = "n" > ease-in-out< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< span class = "nc" > .ghost-button< / span > < span class = "nd" > :hover< / span > < span class = "p" > {< / span >
< span class = "nl" > border< / span > < span class = "p" > :< / span > < span class = "m" > 2px< / span > < span class = "nb" > solid< / span > < span class = "m" > #515151< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< span class = "nt" > p< / span > < span class = "p" > {< / span >
< span class = "nl" > color< / span > < span class = "p" > :< / span > < span class = "m" > #E64A19< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< / code > < / pre > < / div > < / div >
< p > Mise en place de notre route POST< / p >
< p > Le fichier < strong > ~/weather-app/server.js< / strong > :< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > const< / span > < span class = "nx" > express< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > express< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "kd" > const< / span > < span class = "nx" > app< / span > < span class = "o" > =< / span > < span class = "nf" > express< / span > < span class = "p" > ()< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > use< / span > < span class = "p" > (< / span > < span class = "nx" > express< / span > < span class = "p" > .< / span > < span class = "nf" > static< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > public< / span > < span class = "dl" > '< / span > < span class = "p" > ));< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > set< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > view engine< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "dl" > '< / span > < span class = "s1" > ejs< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "p" > })< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > listen< / span > < span class = "p" > (< / span > < span class = "mi" > 3000< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > Example app listening on port 3000!< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< p > Nous avons un itinéraire “get” sur la racine < em > app.get(‘ < / em > , puis nous créons notre serveur< em > app.listen(3000…< / em > .< br / >
Cependant, pour que notre application fonctionne, nous avons également besoin d’ < br / >
Dans le fichier < strong > index.ejs< / strong > , vous pouvez voir que notre formulaire envoie une demande de publication (post request) à la racine ( / ):< / p >
< div class = "language-html highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "nt" > < form< / span > < span class = "na" > action=< / span > < span class = "s" > "/"< / span > < span class = "na" > method=< / span > < span class = "s" > "post"< / span > < span class = "nt" > > < / span >
< / code > < / pre > < / div > < / div >
< p > Maintenant que nous savons où notre formulaire est affiché, nous pouvons configurer l’ ’ < / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > post< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< p > Mais au lieu de simplement répondre avec le même modèle html, il faut accéder également au nom de la ville saisie par l’ < em > Express Middleware< / em > .< / p >
< p > Express est un cadre minimaliste. Cependant, nous pouvons utiliser un Middleware (fonctions qui ont accès aux corps de req et de res ) afin de réaliser des tâches plus avancées.< / p >
< p > Nous allons utiliser le middleware < em > body-parser< / em > . < em > body-parser< / em > nous permet d’ ’ < em > req-body< / em > . Dans ce cas, nous pourrons accéder au nom de la ville saisie par l’ < / p >
< p > Pour utiliser < em > body-parser< / em > , il faut d’ ’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > npm install body-parser --save
< / code > < / pre > < / div > < / div >
< p > Une fois installé, pour utiliser notre middleware ajoutez les 2 lignes de code au fichier < strong > server.js< / strong > < / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > const< / span > < span class = "nx" > bodyParser< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > body-parser< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "c1" > // ...< / span >
< span class = "c1" > // ...< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > use< / span > < span class = "p" > (< / span > < span class = "nx" > bodyParser< / span > < span class = "p" > .< / span > < span class = "nf" > urlencoded< / span > < span class = "p" > ({< / span > < span class = "na" > extended< / span > < span class = "p" > :< / span > < span class = "kc" > true< / span > < span class = "p" > }));< / span >
< / code > < / pre > < / div > < / div >
< p > Sachez simplement qu’ < em > body-parser< / em > nous pouvons utiliser l’ < em > req.body< / em > < / p >
< p > Enfin, nous pouvons maintenant mettre à jour notre demande de publication pour consigner la valeur de < strong > city< / strong > (ville) dans la console.< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > post< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > .< / span > < span class = "nx" > body< / span > < span class = "p" > .< / span > < span class = "nx" > city< / span > < span class = "p" > );< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< p > test !< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > node server.js
Example app listening on port 3000!
< / code > < / pre > < / div > < / div >
< p > Ouvrez maintenant votre navigateur et visitez: localhost:3000 , tapez un nom de ville dans le champ et appuyez sur Entrée!< / p >
< p > Si vous revenez à votre invite de commande, vous devriez voir le nom de la ville affiché dans l’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > node server.js
Example app listening on port 3000!
paris
< / code > < / pre > < / div > < / div >
< p > Vous avez maintenant passé avec succès les données du client au serveur!< / p >
< p > Le fichier server.js :< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > const< / span > < span class = "nx" > express< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > express< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "kd" > const< / span > < span class = "nx" > bodyParser< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > body-parser< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "kd" > const< / span > < span class = "nx" > app< / span > < span class = "o" > =< / span > < span class = "nf" > express< / span > < span class = "p" > ()< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > use< / span > < span class = "p" > (< / span > < span class = "nx" > express< / span > < span class = "p" > .< / span > < span class = "nf" > static< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > public< / span > < span class = "dl" > '< / span > < span class = "p" > ));< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > use< / span > < span class = "p" > (< / span > < span class = "nx" > bodyParser< / span > < span class = "p" > .< / span > < span class = "nf" > urlencoded< / span > < span class = "p" > ({< / span > < span class = "na" > extended< / span > < span class = "p" > :< / span > < span class = "kc" > true< / span > < span class = "p" > }));< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > set< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > view engine< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "dl" > '< / span > < span class = "s1" > ejs< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "p" > })< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > post< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > .< / span > < span class = "nx" > body< / span > < span class = "p" > .< / span > < span class = "nx" > city< / span > < span class = "p" > );< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "p" > })< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > listen< / span > < span class = "p" > (< / span > < span class = "mi" > 3000< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > Example app listening on port 3000!< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< h3 id = "finition-apppost" > Finition app.post< / h3 >
< p > Pour terminer le projet,on utilise le code de < a href = "#application-météo-simple-avec-nodejs" > Application météo simple avec Node.js< / a > < br / >
Ce que nous allions faire, c’ ’ < strong > app.post< / strong > < br / >
Voici à quoi ressemble le code:< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > const< / span > < span class = "nx" > request< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > request< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "kd" > const< / span > < span class = "nx" > apiKey< / span > < span class = "o" > =< / span > < span class = "dl" > '< / span > < span class = "s1" > *****************< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "c1" > //...< / span >
< span class = "c1" > //...< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > post< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > city< / span > < span class = "o" > =< / span > < span class = "nx" > req< / span > < span class = "p" > .< / span > < span class = "nx" > body< / span > < span class = "p" > .< / span > < span class = "nx" > city< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > url< / span > < span class = "o" > =< / span > < span class = "s2" > `http://api.openweathermap.org/data/2.5/weather?q=< / span > < span class = "p" > ${< / span > < span class = "nx" > city< / span > < span class = "p" > }< / span > < span class = "s2" > & units=imperial& appid=< / span > < span class = "p" > ${< / span > < span class = "nx" > apiKey< / span > < span class = "p" > }< / span > < span class = "s2" > `< / span >
< span class = "nf" > request< / span > < span class = "p" > (< / span > < span class = "nx" > url< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ,< / span > < span class = "nx" > response< / span > < span class = "p" > ,< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ){< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "dl" > '< / span > < span class = "s1" > Error, please try again< / span > < span class = "dl" > '< / span > < span class = "p" > });< / span >
< span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > weather< / span > < span class = "o" > =< / span > < span class = "nx" > JSON< / span > < span class = "p" > .< / span > < span class = "nf" > parse< / span > < span class = "p" > (< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > main< / span > < span class = "o" > ==< / span > < span class = "kc" > undefined< / span > < span class = "p" > ){< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "dl" > '< / span > < span class = "s1" > Error, please try again< / span > < span class = "dl" > '< / span > < span class = "p" > });< / span >
< span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > weatherText< / span > < span class = "o" > =< / span > < span class = "s2" > `It's < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > main< / span > < span class = "p" > .< / span > < span class = "nx" > temp< / span > < span class = "p" > }< / span > < span class = "s2" > degrees in < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > name< / span > < span class = "p" > }< / span > < span class = "s2" > !`< / span > < span class = "p" > ;< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "nx" > weatherText< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > });< / span >
< span class = "p" > }< / span >
< span class = "p" > }< / span >
< span class = "p" > });< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< p > < strong > 1. Configurer notre URL:< / strong > < br / >
La première chose que nous faisons lorsque nous recevons le post request est de “req.body”” city < br / >
Ensuite, nous créons une chaîne d’ ’ < / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > post< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > city< / span > < span class = "o" > =< / span > < span class = "nx" > req< / span > < span class = "p" > .< / span > < span class = "nx" > body< / span > < span class = "p" > .< / span > < span class = "nx" > city< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > url< / span > < span class = "o" > =< / span > < span class = "s2" > `http://api.openweathermap.org/data/2.5/weather?q=< / span > < span class = "p" > ${< / span > < span class = "nx" > city< / span > < span class = "p" > }< / span > < span class = "s2" > & units=imperial& appid=< / span > < span class = "p" > ${< / span > < span class = "nx" > apiKey< / span > < span class = "p" > }< / span > < span class = "s2" > `< / span >
< / code > < / pre > < / div > < / div >
< p > < strong > 2. Faites notre appel API:< / strong > < br / >
Maintenant que nous avons notre URL, nous pouvons faire notre appel API. Lorsque nous recevons notre rappel, la première chose à faire est de rechercher une erreur. Si nous avons une erreur, nous allons rendre notre page d’ ’ < / p >
< p > Dans ce cas, j’ ’ < / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "nf" > request< / span > < span class = "p" > (< / span > < span class = "nx" > url< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ,< / span > < span class = "nx" > response< / span > < span class = "p" > ,< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ){< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "dl" > '< / span > < span class = "s1" > Error, please try again< / span > < span class = "dl" > '< / span > < span class = "p" > });< / span >
< / code > < / pre > < / div > < / div >
< p > < strong > 3. Afficher le temps météo:< / strong > < br / >
Maintenant que nous savons que nous n’ ’ < / p >
< p > La première chose à faire est de vérifier si < em > weather.main == undefined< / em > < br / >
La seule raison pour laquelle ce ne serait pas défini, c’ ’ ‘ ’ ‘ ’ < br / >
Dans ce cas, nous allons rendre la vue d’ < / p >
< p > Si < em > weather.main != undefined< / em > , nous pouvons enfin renvoyer la météo au client!< br / >
Nous allons créer une chaîne qui clarifie la météo et la renvoyer avec la vue index.< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > weather< / span > < span class = "o" > =< / span > < span class = "nx" > JSON< / span > < span class = "p" > .< / span > < span class = "nf" > parse< / span > < span class = "p" > (< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > main< / span > < span class = "o" > ==< / span > < span class = "kc" > undefined< / span > < span class = "p" > ){< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "dl" > '< / span > < span class = "s1" > Error, please try again< / span > < span class = "dl" > '< / span > < span class = "p" > });< / span >
< span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > weatherText< / span > < span class = "o" > =< / span > < span class = "s2" > `It's < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > main< / span > < span class = "p" > .< / span > < span class = "nx" > temp< / span > < span class = "p" > }< / span > < span class = "s2" > degrees in < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > name< / span > < span class = "p" > }< / span > < span class = "s2" > !`< / span > < span class = "p" > ;< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "nx" > weatherText< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > });< / span >
< span class = "p" > }< / span >
< span class = "p" > }< / span >
< / code > < / pre > < / div > < / div >
< h3 id = "utiliser-ejs" > Utiliser EJS< / h3 >
< p > Il ne reste plus qu’ < br / >
Utiliser toutes les variables que nous avons renvoyées avec notre appel r< em > es.render< / em > < br / >
Ces variables ne sont pas disponibles sur le client, c’ < br / >
Il existe trois scénarios possibles dans notre code:< / p >
< ol >
< li > < code class = "language-plaintext highlighter-rouge" > {weather: null, error: null}< / code > < / li >
< li > < code class = "language-plaintext highlighter-rouge" > {weather: null, error: 'Error, please try again'}< / code > < / li >
< li > < code class = "language-plaintext highlighter-rouge" > {weather: weatherText, error: null}< / code > < / li >
< / ol >
< p > Nous devons apporter deux modifications simples à notre < strong > index.ejs< / strong > pour gérer ces trois scénarios. Voici le code:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < % if(weather !== null){ %>
< p> < %= weather %> < /p>
< % } %>
< % if(error !== null){ %>
< p> < %= error %> < /p>
< % } %>
< / code > < / pre > < / div > < / div >
< p > Il est utile de se rappeler que EJS signifie Embedded JavaScript.< br / >
Dans cet esprit, EJS a des crochets d’ < / p >
< ul >
< li > < code class = "language-plaintext highlighter-rouge" > < % CODE HERE %> < / code > Tout ce qui est entre les crochets est exécuté.< / li >
< / ul >
< p > Si le crochet d’ < / p >
< ul >
< li > < code class = "language-plaintext highlighter-rouge" > < %= CODE HERE ADDS HTML %> < / code > , ce code ajoutera du code HTML au résultat.< / li >
< / ul >
< p > Si vous regardez notre EJS que nous avons ajouté, nous testons pour voir si nos variables < strong > weather< / strong > ou < strong > error< / strong > sont nulles. Si elles sont toutes deux nulles , rien ne se passe.< br / >
Cependant, si l’ ’ ’ ’ ’ < / p >
< h3 id = "indexejs" > index.ejs< / h3 >
< p > Voici à quoi devrait ressembler votre index.ejs :< / p >
< div class = "language-html highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "cp" > < !DOCTYPE html> < / span >
< span class = "nt" > < html> < / span >
< span class = "nt" > < head> < / span >
< span class = "nt" > < meta< / span > < span class = "na" > charset=< / span > < span class = "s" > "utf-8"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < title> < / span > Test< span class = "nt" > < /title> < / span >
< span class = "nt" > < link< / span > < span class = "na" > rel=< / span > < span class = "s" > "stylesheet"< / span > < span class = "na" > type=< / span > < span class = "s" > "text/css"< / span > < span class = "na" > href=< / span > < span class = "s" > "/css/style.css"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < link< / span > < span class = "na" > href=< / span > < span class = "s" > 'https://fonts.googleapis.com/css?family=Open+Sans:300'< / span > < span class = "na" > rel=< / span > < span class = "s" > 'stylesheet'< / span > < span class = "na" > type=< / span > < span class = "s" > 'text/css'< / span > < span class = "nt" > > < / span >
< span class = "nt" > < /head> < / span >
< span class = "nt" > < body> < / span >
< span class = "nt" > < div< / span > < span class = "na" > class=< / span > < span class = "s" > "container"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < fieldset> < / span >
< span class = "nt" > < form< / span > < span class = "na" > action=< / span > < span class = "s" > "/"< / span > < span class = "na" > method=< / span > < span class = "s" > "post"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < input< / span > < span class = "na" > name=< / span > < span class = "s" > "city"< / span > < span class = "na" > type=< / span > < span class = "s" > "text"< / span > < span class = "na" > class=< / span > < span class = "s" > "ghost-input"< / span > < span class = "na" > placeholder=< / span > < span class = "s" > "Enter a City"< / span > < span class = "na" > required< / span > < span class = "nt" > > < / span >
< span class = "nt" > < input< / span > < span class = "na" > type=< / span > < span class = "s" > "submit"< / span > < span class = "na" > class=< / span > < span class = "s" > "ghost-button"< / span > < span class = "na" > value=< / span > < span class = "s" > "Get Weather"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < /form> < / span >
< span class = "nt" > < < / span > < span class = "err" > %< / span > < span class = "na" > if< / span > < span class = "err" > (< / span > < span class = "na" > weather< / span > < span class = "err" > !==< / span > < span class = "na" > null< / span > < span class = "err" > ){< / span > < span class = "err" > %< / span > < span class = "nt" > > < / span >
< span class = "nt" > < p> < < / span > < span class = "err" > %=< / span > < span class = "na" > weather< / span > < span class = "err" > %< / span > < span class = "nt" > > < /p> < / span >
< span class = "nt" > < < / span > < span class = "err" > %< / span > < span class = "err" > }< / span > < span class = "err" > %< / span > < span class = "nt" > > < / span >
< span class = "nt" > < < / span > < span class = "err" > %< / span > < span class = "na" > if< / span > < span class = "err" > (< / span > < span class = "na" > error< / span > < span class = "err" > !==< / span > < span class = "na" > null< / span > < span class = "err" > ){< / span > < span class = "err" > %< / span > < span class = "nt" > > < / span >
< span class = "nt" > < p> < < / span > < span class = "err" > %=< / span > < span class = "na" > error< / span > < span class = "err" > %< / span > < span class = "nt" > > < /p> < / span >
< span class = "nt" > < < / span > < span class = "err" > %< / span > < span class = "err" > }< / span > < span class = "err" > %< / span > < span class = "nt" > > < / span >
< span class = "nt" > < /fieldset> < / span >
< span class = "nt" > < /div> < / span >
< span class = "nt" > < /body> < / span >
< span class = "nt" > < /html> < / span >
< / code > < / pre > < / div > < / div >
< h3 id = "serverjs" > server.js< / h3 >
< p > Voici à quoi devrait ressembler votre server.js :< / p >
< div class = "language-js highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kd" > const< / span > < span class = "nx" > express< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > express< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "kd" > const< / span > < span class = "nx" > bodyParser< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > body-parser< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "kd" > const< / span > < span class = "nx" > request< / span > < span class = "o" > =< / span > < span class = "nf" > require< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > request< / span > < span class = "dl" > '< / span > < span class = "p" > );< / span >
< span class = "kd" > const< / span > < span class = "nx" > app< / span > < span class = "o" > =< / span > < span class = "nf" > express< / span > < span class = "p" > ()< / span >
< span class = "kd" > const< / span > < span class = "nx" > apiKey< / span > < span class = "o" > =< / span > < span class = "dl" > '< / span > < span class = "s1" > *****************< / span > < span class = "dl" > '< / span > < span class = "p" > ;< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > use< / span > < span class = "p" > (< / span > < span class = "nx" > express< / span > < span class = "p" > .< / span > < span class = "nf" > static< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > public< / span > < span class = "dl" > '< / span > < span class = "p" > ));< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > use< / span > < span class = "p" > (< / span > < span class = "nx" > bodyParser< / span > < span class = "p" > .< / span > < span class = "nf" > urlencoded< / span > < span class = "p" > ({< / span > < span class = "na" > extended< / span > < span class = "p" > :< / span > < span class = "kc" > true< / span > < span class = "p" > }));< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > set< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > view engine< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "dl" > '< / span > < span class = "s1" > ejs< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > });< / span >
< span class = "p" > })< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > post< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > /< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > req< / span > < span class = "p" > ,< / span > < span class = "nx" > res< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > city< / span > < span class = "o" > =< / span > < span class = "nx" > req< / span > < span class = "p" > .< / span > < span class = "nx" > body< / span > < span class = "p" > .< / span > < span class = "nx" > city< / span > < span class = "p" > ;< / span >
< span class = "kd" > let< / span > < span class = "nx" > url< / span > < span class = "o" > =< / span > < span class = "s2" > `http://api.openweathermap.org/data/2.5/weather?q=< / span > < span class = "p" > ${< / span > < span class = "nx" > city< / span > < span class = "p" > }< / span > < span class = "s2" > & units=metric& appid=< / span > < span class = "p" > ${< / span > < span class = "nx" > apiKey< / span > < span class = "p" > }< / span > < span class = "s2" > `< / span >
< span class = "nf" > request< / span > < span class = "p" > (< / span > < span class = "nx" > url< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ,< / span > < span class = "nx" > response< / span > < span class = "p" > ,< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > err< / span > < span class = "p" > ){< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "dl" > '< / span > < span class = "s1" > Error, please try again< / span > < span class = "dl" > '< / span > < span class = "p" > });< / span >
< span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > weather< / span > < span class = "o" > =< / span > < span class = "nx" > JSON< / span > < span class = "p" > .< / span > < span class = "nf" > parse< / span > < span class = "p" > (< / span > < span class = "nx" > body< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > main< / span > < span class = "o" > ==< / span > < span class = "kc" > undefined< / span > < span class = "p" > ){< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "dl" > '< / span > < span class = "s1" > Error, please try again< / span > < span class = "dl" > '< / span > < span class = "p" > });< / span >
< span class = "p" > }< / span > < span class = "k" > else< / span > < span class = "p" > {< / span >
< span class = "kd" > let< / span > < span class = "nx" > weatherText< / span > < span class = "o" > =< / span > < span class = "s2" > `It's < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > main< / span > < span class = "p" > .< / span > < span class = "nx" > temp< / span > < span class = "p" > }< / span > < span class = "s2" > degrees in < / span > < span class = "p" > ${< / span > < span class = "nx" > weather< / span > < span class = "p" > .< / span > < span class = "nx" > name< / span > < span class = "p" > }< / span > < span class = "s2" > !`< / span > < span class = "p" > ;< / span >
< span class = "nx" > res< / span > < span class = "p" > .< / span > < span class = "nf" > render< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > index< / span > < span class = "dl" > '< / span > < span class = "p" > ,< / span > < span class = "p" > {< / span > < span class = "na" > weather< / span > < span class = "p" > :< / span > < span class = "nx" > weatherText< / span > < span class = "p" > ,< / span > < span class = "na" > error< / span > < span class = "p" > :< / span > < span class = "kc" > null< / span > < span class = "p" > });< / span >
< span class = "p" > }< / span >
< span class = "p" > }< / span >
< span class = "p" > });< / span >
< span class = "p" > })< / span >
< span class = "nx" > app< / span > < span class = "p" > .< / span > < span class = "nf" > listen< / span > < span class = "p" > (< / span > < span class = "mi" > 3000< / span > < span class = "p" > ,< / span > < span class = "nf" > function < / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nf" > log< / span > < span class = "p" > (< / span > < span class = "dl" > '< / span > < span class = "s1" > Example app listening on port 3000!< / span > < span class = "dl" > '< / span > < span class = "p" > )< / span >
< span class = "p" > })< / span >
< / code > < / pre > < / div > < / div >
< h3 id = "exécutez-votre-code" > Exécutez votre code< / h3 >
< p > Exécution< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > bitnami@debian:~$ cd ~/weather-app/
bitnami@debian:~/weather-app$ node server.js
Example app listening on port 3000!
< / code > < / pre > < / div > < / div >
< p > Ouvrez maintenant votre navigateur et visitez: localhost:3000 , tapez un nom de ville dans le champ et appuyez sur Entrée! Vous devriez voir la météo apparaître sur votre écran!< / p >
< p > < img src = "/images/nodejs09.png" alt = "" width = "400" / > < / p >
< p > Vous venez de créer un site Web permettant de passer des appels API et de répondre au client en temps réel!< / p >
< / div >
< div class = "d-print-none" > < footer class = "article__footer" > < meta itemprop = "dateModified" content = "2019-04-25T00:00:00+02:00" > <!-- start custom article footer snippet -->
<!-- end custom article footer snippet -->
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< div align = "right" > < a type = "application/rss+xml" href = "/feed.xml" title = "S'abonner" > < i class = "fa fa-rss fa-2x" > < / i > < / a >
  < / div >
-->
< / footer >
< div class = "article__section-navigator clearfix" > < div class = "previous" > < span > PRÉCÉDENT< / span > < a href = "/2019/04/03/Installer-Python-PIP-sur-Debian-Stretch.html" > Installer Python PIP sur Debian Stretch< / a > < / div > < div class = "next" > < span > SUIVANT< / span > < a href = "/2019/04/30/Android-Pie-LineageOS_16.html" > nouveautés de LineageOS 16 (android 9)< / a > < / div > < / div > < / div >
< / div >
< script > ( f u n c t i o n ( ) {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
$(function() {
var $this ,$scroll;
var $articleContent = $('.js-article-content');
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
var scroll = hasSidebar ? '.js-page-main' : 'html, body';
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< / div > < section class = "page__comments d-print-none" > < / section > < / article > <!-- start custom main bottom snippet -->
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< / div > < script > ( f u n c t i o n ( ) {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
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function modal(options) {
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var scrollTop;
function setOptions(options) {
var _options = options || {};
visible = _options.initialVisible === undefined ? false : show;
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activeCount === 1 & & ($pageRoot.addClass('show-modal'), $body.addClass('of-hidden'));
hideWhenWindowScroll & & window.hasEvent('touchstart') & & $window.on('scroll', hide);
$window.on('keyup', handleKeyup);
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$window.scrollTop(scrollTop);
activeCount === 0 & & ($pageRoot.removeClass('show-modal'), $body.removeClass('of-hidden'));
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onChange & & onChange(visible);
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setOptions(options);
init();
return {
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hide: hide,
$el: $root
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$.fn.modal = modal;
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< / script > < div class = "modal modal--overflow page__search-modal d-print-none js-page-search-modal" > < script >
(function () {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
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var $searchModal = $('.js-page-search-modal');
var $searchToggle = $('.js-search-toggle');
var searchModal = $searchModal.modal({ onChange: handleModalChange, hideWhenWindowScroll: true });
var modalVisible = false;
search.searchModal = searchModal;
var $searchBox = null;
var $searchInput = null;
var $searchClear = null;
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if (visible) {
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useDefaultSearchBox & & $searchInput[0] & & $searchInput[0].focus();
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useDefaultSearchBox & & $searchInput[0] & & $searchInput[0].blur();
setTimeout(function() {
useDefaultSearchBox & & ($searchInput.val(''), $searchBox.removeClass('not-empty'));
search.clear & & search.clear();
window.pageAsideAffix & & window.pageAsideAffix.refresh();
}, 400);
}
}
$searchToggle.on('click', function() {
modalVisible ? searchModal.hide() : searchModal.show();
});
// Char Code: 83 S, 191 /
$(window).on('keyup', function(e) {
if (!modalVisible & & !window.isFormElement(e.target || e.srcElement) & & (e.which === 83 || e.which === 191)) {
modalVisible || searchModal.show();
}
});
if (useDefaultSearchBox) {
$searchBox = $('.js-search-box');
$searchInput = $searchBox.children('input');
$searchClear = $searchBox.children('.js-icon-clear');
search.getSearchInput = function() {
return $searchInput.get(0);
};
search.getVal = function() {
return $searchInput.val();
};
search.setVal = function(val) {
$searchInput.val(val);
};
$searchInput.on('focus', function() {
$(this).addClass('focus');
});
$searchInput.on('blur', function() {
$(this).removeClass('focus');
});
$searchInput.on('input', window.throttle(function() {
var val = $(this).val();
if (val === '' || typeof val !== 'string') {
search.clear & & search.clear();
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search.onInputNotEmpty & & search.onInputNotEmpty(val);
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search.clear & & search.clear();
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});
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< / script > < div class = "search search--dark" >
< div class = "main" >
< div class = "search__header" > Recherche< / div >
< div class = "search-bar" >
< div class = "search-box js-search-box" >
< div class = "search-box__icon-search" > < i class = "fas fa-search" > < / i > < / div >
< input id = "search-input" type = "text" / >
< div class = "search-box__icon-clear js-icon-clear" >
< a > < i class = "fas fa-times" > < / i > < / a >
< / div >
< / div >
< button class = "button button--theme-dark button--pill search__cancel js-search-toggle" >
Annuler< / button >
< / div >
< div id = "results-container" class = "search-result js-search-result" > < / div >
< / div >
< / div >
<!-- Script pointing to search - script.js -->
< script > / * !
* Simple-Jekyll-Search
* Copyright 2015-2020, Christian Fei
* Licensed under the MIT License.
*/
(function(){
'use strict'
var _$Templater_7 = {
compile: compile,
setOptions: setOptions
}
const options = {}
options.pattern = /\{(.*?)\}/g
options.template = ''
options.middleware = function () {}
function setOptions (_options) {
options.pattern = _options.pattern || options.pattern
options.template = _options.template || options.template
if (typeof _options.middleware === 'function') {
options.middleware = _options.middleware
}
}
function compile (data) {
return options.template.replace(options.pattern, function (match, prop) {
const value = options.middleware(prop, data[prop], options.template)
if (typeof value !== 'undefined') {
return value
}
return data[prop] || match
})
}
'use strict';
function fuzzysearch (needle, haystack) {
var tlen = haystack.length;
var qlen = needle.length;
if (qlen > tlen) {
return false;
}
if (qlen === tlen) {
return needle === haystack;
}
outer: for (var i = 0, j = 0; i < qlen ; i + + ) {
var nch = needle.charCodeAt(i);
while (j < tlen ) {
if (haystack.charCodeAt(j++) === nch) {
continue outer;
}
}
return false;
}
return true;
}
var _$fuzzysearch_1 = fuzzysearch;
'use strict'
/* removed: const _$fuzzysearch_1 = require('fuzzysearch') */;
var _$FuzzySearchStrategy_5 = new FuzzySearchStrategy()
function FuzzySearchStrategy () {
this.matches = function (string, crit) {
return _$fuzzysearch_1(crit.toLowerCase(), string.toLowerCase())
}
}
'use strict'
var _$LiteralSearchStrategy_6 = new LiteralSearchStrategy()
function LiteralSearchStrategy () {
this.matches = function (str, crit) {
if (!str) return false
str = str.trim().toLowerCase()
crit = crit.trim().toLowerCase()
return crit.split(' ').filter(function (word) {
return str.indexOf(word) >= 0
}).length === crit.split(' ').length
}
}
'use strict'
var _$Repository_4 = {
put: put,
clear: clear,
search: search,
setOptions: __setOptions_4
}
/* removed: const _$FuzzySearchStrategy_5 = require('./SearchStrategies/FuzzySearchStrategy') */;
/* removed: const _$LiteralSearchStrategy_6 = require('./SearchStrategies/LiteralSearchStrategy') */;
function NoSort () {
return 0
}
const data = []
let opt = {}
opt.fuzzy = false
opt.limit = 10
opt.searchStrategy = opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = NoSort
opt.exclude = []
function put (data) {
if (isObject(data)) {
return addObject(data)
}
if (isArray(data)) {
return addArray(data)
}
return undefined
}
function clear () {
data.length = 0
return data
}
function isObject (obj) {
return Boolean(obj) & & Object.prototype.toString.call(obj) === '[object Object]'
}
function isArray (obj) {
return Boolean(obj) & & Object.prototype.toString.call(obj) === '[object Array]'
}
function addObject (_data) {
data.push(_data)
return data
}
function addArray (_data) {
const added = []
clear()
for (let i = 0, len = _data.length; i < len ; i + + ) {
if (isObject(_data[i])) {
added.push(addObject(_data[i]))
}
}
return added
}
function search (crit) {
if (!crit) {
return []
}
return findMatches(data, crit, opt.searchStrategy, opt).sort(opt.sort)
}
function __setOptions_4 (_opt) {
opt = _opt || {}
opt.fuzzy = _opt.fuzzy || false
opt.limit = _opt.limit || 10
opt.searchStrategy = _opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = _opt.sort || NoSort
opt.exclude = _opt.exclude || []
}
function findMatches (data, crit, strategy, opt) {
const matches = []
for (let i = 0; i < data.length & & matches . length < opt . limit ; i + + ) {
const match = findMatchesInObject(data[i], crit, strategy, opt)
if (match) {
matches.push(match)
}
}
return matches
}
function findMatchesInObject (obj, crit, strategy, opt) {
for (const key in obj) {
if (!isExcluded(obj[key], opt.exclude) & & strategy.matches(obj[key], crit)) {
return obj
}
}
}
function isExcluded (term, excludedTerms) {
for (let i = 0, len = excludedTerms.length; i < len ; i + + ) {
const excludedTerm = excludedTerms[i]
if (new RegExp(excludedTerm).test(term)) {
return true
}
}
return false
}
/* globals ActiveXObject:false */
'use strict'
var _$JSONLoader_2 = {
load: load
}
function load (location, callback) {
const xhr = getXHR()
xhr.open('GET', location, true)
xhr.onreadystatechange = createStateChangeListener(xhr, callback)
xhr.send()
}
function createStateChangeListener (xhr, callback) {
return function () {
if (xhr.readyState === 4 & & xhr.status === 200) {
try {
callback(null, JSON.parse(xhr.responseText))
} catch (err) {
callback(err, null)
}
}
}
}
function getXHR () {
return window.XMLHttpRequest ? new window.XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP')
}
'use strict'
var _$OptionsValidator_3 = function OptionsValidator (params) {
if (!validateParams(params)) {
throw new Error('-- OptionsValidator: required options missing')
}
if (!(this instanceof OptionsValidator)) {
return new OptionsValidator(params)
}
const requiredOptions = params.required
this.getRequiredOptions = function () {
return requiredOptions
}
this.validate = function (parameters) {
const errors = []
requiredOptions.forEach(function (requiredOptionName) {
if (typeof parameters[requiredOptionName] === 'undefined') {
errors.push(requiredOptionName)
}
})
return errors
}
function validateParams (params) {
if (!params) {
return false
}
return typeof params.required !== 'undefined' & & params.required instanceof Array
}
}
'use strict'
var _$utils_9 = {
merge: merge,
isJSON: isJSON
}
function merge (defaultParams, mergeParams) {
const mergedOptions = {}
for (const option in defaultParams) {
mergedOptions[option] = defaultParams[option]
if (typeof mergeParams[option] !== 'undefined') {
mergedOptions[option] = mergeParams[option]
}
}
return mergedOptions
}
function isJSON (json) {
try {
if (json instanceof Object & & JSON.parse(JSON.stringify(json))) {
return true
}
return false
} catch (err) {
return false
}
}
var _$src_8 = {};
(function (window) {
'use strict'
let options = {
searchInput: null,
resultsContainer: null,
json: [],
success: Function.prototype,
searchResultTemplate: '< li > < a href = "{url}" title = "{desc}" > {title}< / a > < / li > ',
templateMiddleware: Function.prototype,
sortMiddleware: function () {
return 0
},
noResultsText: 'No results found',
limit: 10,
fuzzy: false,
debounceTime: null,
exclude: []
}
let debounceTimerHandle
const debounce = function (func, delayMillis) {
if (delayMillis) {
clearTimeout(debounceTimerHandle)
debounceTimerHandle = setTimeout(func, delayMillis)
} else {
func.call()
}
}
const requiredOptions = ['searchInput', 'resultsContainer', 'json']
/* removed: const _$Templater_7 = require('./Templater') */;
/* removed: const _$Repository_4 = require('./Repository') */;
/* removed: const _$JSONLoader_2 = require('./JSONLoader') */;
const optionsValidator = _$OptionsValidator_3({
required: requiredOptions
})
/* removed: const _$utils_9 = require('./utils') */;
window.SimpleJekyllSearch = function (_options) {
const errors = optionsValidator.validate(_options)
if (errors.length > 0) {
throwError('You must specify the following required options: ' + requiredOptions)
}
options = _$utils_9.merge(options, _options)
_$Templater_7.setOptions({
template: options.searchResultTemplate,
middleware: options.templateMiddleware
})
_$Repository_4.setOptions({
fuzzy: options.fuzzy,
limit: options.limit,
sort: options.sortMiddleware,
exclude: options.exclude
})
if (_$utils_9.isJSON(options.json)) {
initWithJSON(options.json)
} else {
initWithURL(options.json)
}
const rv = {
search: search
}
typeof options.success === 'function' & & options.success.call(rv)
return rv
}
function initWithJSON (json) {
_$Repository_4.put(json)
registerInput()
}
function initWithURL (url) {
_$JSONLoader_2.load(url, function (err, json) {
if (err) {
throwError('failed to get JSON (' + url + ')')
}
initWithJSON(json)
})
}
function emptyResultsContainer () {
options.resultsContainer.innerHTML = ''
}
function appendToResultsContainer (text) {
options.resultsContainer.innerHTML += text
}
function registerInput () {
options.searchInput.addEventListener('input', function (e) {
if (isWhitelistedKey(e.which)) {
emptyResultsContainer()
debounce(function () { search(e.target.value) }, options.debounceTime)
}
})
}
function search (query) {
if (isValidQuery(query)) {
emptyResultsContainer()
render(_$Repository_4.search(query), query)
}
}
function render (results, query) {
const len = results.length
if (len === 0) {
return appendToResultsContainer(options.noResultsText)
}
for (let i = 0; i < len ; i + + ) {
results[i].query = query
appendToResultsContainer(_$Templater_7.compile(results[i]))
}
}
function isValidQuery (query) {
return query & & query.length > 0
}
function isWhitelistedKey (key) {
return [13, 16, 20, 37, 38, 39, 40, 91].indexOf(key) === -1
}
function throwError (message) {
throw new Error('SimpleJekyllSearch --- ' + message)
}
})(window)
}());
< / script >
<!-- Configuration -->
< script >
SimpleJekyllSearch({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
noResultsText: '< p > Aucun résultat!< / p > ',
json: '/search.json',
searchResultTemplate: '< li > < a href = "{url}" > {date} {title}< / a > (Création {create})< / li > '
})
< / script >
< / div > < / div >
< script > ( f u n c t i o n ( ) {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function scrollToAnchor(anchor, duration, callback) {
var $root = this;
$root.animate({ scrollTop: $(anchor).position().top }, duration, function() {
window.history.replaceState(null, '', window.location.href.split('#')[0] + anchor);
callback & & callback();
});
}
$.fn.scrollToAnchor = scrollToAnchor;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function affix(options) {
var $root = this, $window = $(window), $scrollTarget, $scroll,
offsetBottom = 0, scrollTarget = window, scroll = window.document, disabled = false, isOverallScroller = true,
rootTop, rootLeft, rootHeight, scrollBottom, rootBottomTop,
hasInit = false, curState;
function setOptions(options) {
var _options = options || {};
_options.offsetBottom & & (offsetBottom = _options.offsetBottom);
_options.scrollTarget & & (scrollTarget = _options.scrollTarget);
_options.scroll & & (scroll = _options.scroll);
_options.disabled !== undefined & & (disabled = _options.disabled);
$scrollTarget = $(scrollTarget);
isOverallScroller = window.isOverallScroller($scrollTarget[0]);
$scroll = $(scroll);
}
function preCalc() {
top();
rootHeight = $root.outerHeight();
rootTop = $root.offset().top + (isOverallScroller ? 0 : $scrollTarget.scrollTop());
rootLeft = $root.offset().left;
}
function calc(needPreCalc) {
needPreCalc & & preCalc();
scrollBottom = $scroll.outerHeight() - offsetBottom - rootHeight;
rootBottomTop = scrollBottom - rootTop;
}
function top() {
if (curState !== 'top') {
$root.removeClass('fixed').css({
left: 0,
top: 0
});
curState = 'top';
}
}
function fixed() {
if (curState !== 'fixed') {
$root.addClass('fixed').css({
left: rootLeft + 'px',
top: 0
});
curState = 'fixed';
}
}
function bottom() {
if (curState !== 'bottom') {
$root.removeClass('fixed').css({
left: 0,
top: rootBottomTop + 'px'
});
curState = 'bottom';
}
}
function setState() {
var scrollTop = $scrollTarget.scrollTop();
if (scrollTop >= rootTop & & scrollTop < = scrollBottom) {
fixed();
} else if (scrollTop < rootTop ) {
top();
} else {
bottom();
}
}
function init() {
if(!hasInit) {
var interval, timeout;
calc(true); setState();
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState();
});
$window.on('resize', function() {
disabled || (calc(true), setState());
});
hasInit = true;
}
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions,
refresh: function() {
calc(true, { animation: false }); setState();
}
};
}
$.fn.affix = affix;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function toc(options) {
var $root = this, $window = $(window), $scrollTarget, $scroller, $tocUl = $('< ul class = "toc toc--ellipsis" > < / ul > '), $tocLi, $headings, $activeLast, $activeCur,
selectors = 'h1,h2,h3', container = 'body', scrollTarget = window, scroller = 'html, body', disabled = false,
headingsPos, scrolling = false, hasRendered = false, hasInit = false;
function setOptions(options) {
var _options = options || {};
_options.selectors & & (selectors = _options.selectors);
_options.container & & (container = _options.container);
_options.scrollTarget & & (scrollTarget = _options.scrollTarget);
_options.scroller & & (scroller = _options.scroller);
_options.disabled !== undefined & & (disabled = _options.disabled);
$headings = $(container).find(selectors).filter('[id]');
$scrollTarget = $(scrollTarget);
$scroller = $(scroller);
}
function calc() {
headingsPos = [];
$headings.each(function() {
headingsPos.push(Math.floor($(this).position().top));
});
}
function setState(element, disabled) {
var scrollTop = $scrollTarget.scrollTop(), i;
if (disabled || !headingsPos || headingsPos.length < 1 ) { return ; }
if (element) {
$activeCur = element;
} else {
for (i = 0; i < headingsPos.length ; i + + ) {
if (scrollTop >= headingsPos[i]) {
$activeCur = $tocLi.eq(i);
} else {
$activeCur || ($activeCur = $tocLi.eq(i));
break;
}
}
}
$activeLast & & $activeLast.removeClass('active');
($activeLast = $activeCur).addClass('active');
}
function render() {
if(!hasRendered) {
$root.append($tocUl);
$headings.each(function() {
var $this = $(this);
$tocUl.append($('< li > < / li > ').addClass('toc-' + $this.prop('tagName').toLowerCase())
.append($('< a > < / a > ').text($this.text()).attr('href', '#' + $this.prop('id'))));
});
$tocLi = $tocUl.children('li');
$tocUl.on('click', 'a', function(e) {
e.preventDefault();
var $this = $(this);
scrolling = true;
setState($this.parent());
$scroller.scrollToAnchor($this.attr('href'), 400, function() {
scrolling = false;
});
});
}
hasRendered = true;
}
function init() {
var interval, timeout;
if(!hasInit) {
render(); calc(); setState(null, scrolling);
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState(null, scrolling);
});
$window.on('resize', window.throttle(function() {
if (!disabled) {
render(); calc(); setState(null, scrolling);
}
}, 100));
}
hasInit = true;
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions
};
}
$.fn.toc = toc;
});
})();
/*(function () {
})();*/
< / script > < script >
/* toc must before affix, since affix need to konw toc' height. */(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
var TOC_SELECTOR = window.TEXT_VARIABLES.site.toc.selectors;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window);
var $articleContent = $('.js-article-content');
var $tocRoot = $('.js-toc-root'), $col2 = $('.js-col-aside');
var toc;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
var hasToc = $articleContent.find(TOC_SELECTOR).length > 0;
function disabled() {
return $col2.css('display') === 'none' || !hasToc;
}
tocDisabled = disabled();
toc = $tocRoot.toc({
selectors: TOC_SELECTOR,
container: $articleContent,
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
tocDisabled = disabled();
toc & & toc.setOptions({
disabled: tocDisabled
});
}, 100));
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window), $pageFooter = $('.js-page-footer');
var $pageAside = $('.js-page-aside');
var affix;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
affix = $pageAside.affix({
offsetBottom: $pageFooter.outerHeight(),
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
scroll: hasSidebar ? $('.js-page-main').children() : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
affix & & affix.setOptions({
disabled: tocDisabled
});
}, 100));
window.pageAsideAffix = affix;
});
})();
< / script > <!-- -->
< / div >
< script > ( f u n c t i o n ( ) {
var $root = document.getElementsByClassName('root')[0];
if (window.hasEvent('touchstart')) {
$root.dataset.isTouch = true;
document.addEventListener('touchstart', function(){}, false);
}
})();
< / script >
< / body >
< / html >
