{"id":25207,"date":"2019-03-12T12:51:37","date_gmt":"2019-03-12T12:51:37","guid":{"rendered":"https:\/\/www.knowband.com\/blog\/?p=25198\/"},"modified":"2019-08-20T00:10:35","modified_gmt":"2019-03-12T12:59:51","slug":"comment-r%c3%a9cup%c3%a9rer-des-donn%c3%a9es-de-firebase-dans-swift-language-ios","status":"publish","type":"post","link":"https:\/\/www.knowband.com\/blog\/fr\/conseils-fr\/comment-r%c3%a9cup%c3%a9rer-des-donn%c3%a9es-de-firebase-dans-swift-language-ios\/","title":{"rendered":"Comment r\u00e9cup\u00e9rer des donn\u00e9es de Firebase dans Swift Language (iOS)?"},"content":{"rendered":"<h2><strong>Objectifs du blog<\/strong><\/h2>\n<p>Apr\u00e8s avoir lu ce blog, nous pourrons comprendre le processus d&#39;extraction des donn\u00e9es de Firebase. Ce processus inclut l\u2019installation du SDK Firebase et l\u2019impl\u00e9mentation du code permettant d\u2019extraire les donn\u00e9es de Firebase.<\/p>\n<h3><strong>Conditions pr\u00e9alables<\/strong><\/h3>\n<p>Nous devons \u00e9crire du code rapide pour r\u00e9cup\u00e9rer les donn\u00e9es de Firebase. Pour cela, nous devrons d&#39;abord cr\u00e9er le projet Firebase. Suivez les \u00e9tapes ci-dessous pour cr\u00e9er le projet Firebase &#8211;<\/p>\n<p><strong>1.<\/strong> Aller \u00e0 <a href=\"https:\/\/console.firebase.google.com\" target=\"_blank\">https:\/\/console.firebase.google.com<\/a><\/p>\n<p><strong>2.<\/strong> Ensuite, vous devrez cr\u00e9er un projet Firebase en cliquant sur &quot;<strong>Ajouter un projet<\/strong>&quot; bouton<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-project-1.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25199 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-project-1.png\" alt=\"add-project: Comment r\u00e9cup\u00e9rer des donn\u00e9es de Firebase dans Swift Language (iOS)?\" width=\"650\" height=\"406\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-project-1.png 650w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-project-1-300x187.png 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><\/p>\n<p><strong>3.<\/strong> Vous avez besoin du fichier GoogleService-Info.plist pour iOS SDK, car ce fichier contient les d\u00e9tails du projet Firebase utilis\u00e9s par Firebase SDK.<\/p>\n<p><strong>4.<\/strong> Ajoutez ensuite le fichier plist au projet<\/p>\n<p><strong>5.<\/strong> Ajoutez le code suivant avant l&#39;instruction return dans l&#39;application<strong>(_: didFinishLaunchingWithOptions \ud83d\ude42 dans le fichier AppDelegate.swift<\/strong><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">FirebaseApp.configure ()<\/pre>\n<p><strong>6.<\/strong> Ensuite aller \u00e0 &quot;<strong>Base de donn\u00e9es<\/strong>&quot;option dans le menu de gauche.<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Goto-Database.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25200 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Goto-Database.png\" alt=\"Base de donn\u00e9es goto: Comment r\u00e9cup\u00e9rer des donn\u00e9es de Firebase dans Swift Language (iOS)?\" width=\"650\" height=\"406\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Goto-Database.png 650w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Goto-Database-300x187.png 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><\/p>\n<p><strong>7.<\/strong> S\u00e9lectionnez &quot;<strong>Base de donn\u00e9es en temps r\u00e9el<\/strong>&quot;et c&#39;est la base de donn\u00e9es pour le projet Firebase. Toutes les donn\u00e9es stock\u00e9es ou extraites proviennent de cet emplacement.<\/p>\n<p><strong>8.<\/strong> La configuration de Firebase est termin\u00e9e. Vous devez maintenant t\u00e9l\u00e9charger le kit de d\u00e9veloppement Firebase SDK en mode rapide. Pour cela, vous devrez installer les modules suivants.<\/p>\n<ol>\n<li><strong>pod &#39;Firebase \/ Core&#39; <\/strong><\/li>\n<li><strong>pod &#39;Firebase \/ Database&#39;<\/strong><\/li>\n<\/ol>\n<p>Supposons que vous disposiez des donn\u00e9es suivantes dans la structure donn\u00e9e de la base de donn\u00e9es Firebase &#8211;<\/p>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/ La racine de l&#39;arbre {\/\/ articles d&#39;\u00e9picerie &quot;articles d&#39;\u00e9picerie&quot;: {\/\/ articles d&#39;\u00e9picerie \/ lait &quot;lait&quot;: {\/\/ articles d&#39;\u00e9picerie \/ lait \/ nom &quot;nom&quot;: &quot;Lait&quot;, \/ \/ articles d&#39;\u00e9picerie \/ lait \/ ajout\u00e9ByUser &quot;addedByUser&quot;: &quot;David&quot;}, &quot;pizza&quot;: {&quot;nom&quot;: &quot;Pizza&quot;, &quot;ajout\u00e9ByUser&quot;: &quot;Alice&quot;},}}<\/pre>\n<p>Une fois les pods install\u00e9s avec succ\u00e8s, nous pouvons passer \u00e0 la partie codage.<\/p>\n<h3><strong>Impl\u00e9mentation du code<\/strong><\/h3>\n<p>Tous les points \/ n\u0153uds de donn\u00e9es sont utilis\u00e9s pour acc\u00e9der aux donn\u00e9es de la base de donn\u00e9es Firebase. Nous cr\u00e9ons des r\u00e9f\u00e9rences aux n\u0153uds puis r\u00e9cup\u00e9rons les donn\u00e9es de ce n\u0153ud. En d&#39;autres termes, une r\u00e9f\u00e9rence Firebase pointe vers un emplacement dans Firebase o\u00f9 les donn\u00e9es sont stock\u00e9es. Nous devrons d\u2019abord cr\u00e9er une r\u00e9f\u00e9rence au noeud racine de la structure de la base de donn\u00e9es &#8211;<\/p>\n<pre class=\"brush: actionscript3; gutter: true\">let ref = Database.database (). reference (withPath: &quot;articles d&#39;\u00e9picerie&quot;)<\/pre>\n<p>ou la mani\u00e8re suivante peut \u00eatre utilis\u00e9 &#8211;<\/p>\n<pre class=\"brush: actionscript3; gutter: true\">let rootRef = Database.database (). reference () let ref = rootRef.child (&quot;articles d&#39;\u00e9picerie&quot;)<\/pre>\n<p>La r\u00e9f\u00e9rence au noeud enfant qui est &quot;lait&quot; peut \u00eatre cr\u00e9\u00e9e en utilisant le code suivant &#8211;<\/p>\n<pre class=\"brush: actionscript3; gutter: true\">let milkRef = ref.child (&quot;lait&quot;)<\/pre>\n<p>Un auditeur asynchrone peut \u00eatre associ\u00e9 \u00e0 une r\u00e9f\u00e9rence afin de r\u00e9cup\u00e9rer des donn\u00e9es \u00e0 partir de Firebase en utilisant <strong>observer (_: avec \ud83d\ude42<\/strong> m\u00e9thode. Le code suivant va r\u00e9cup\u00e9rer les donn\u00e9es et continuer \u00e0 \u00e9couter les modifications de donn\u00e9es sur la base de donn\u00e9es. D\u00e8s qu&#39;une modification est apport\u00e9e \u00e0 la base de donn\u00e9es, le nouvel instantan\u00e9 du n\u0153ud \/ r\u00e9f\u00e9rence est r\u00e9cup\u00e9r\u00e9 et nous obtenons les donn\u00e9es mises \u00e0 jour d\u00e8s qu&#39;une modification est apport\u00e9e \u00e0 la base de donn\u00e9es.<\/p>\n<pre class=\"brush: actionscript3; gutter: true\">ref.observe (.value, avec: {instantan\u00e9 dans \/\/ Ceci est l&#39;instantan\u00e9 des donn\u00e9es dans la base de donn\u00e9es Firebase pour le moment. \/\/ Pour obtenir une valeur de l&#39;instantan\u00e9, nous utilisons l&#39;utilisateur snapshot.value print (snapshot.value as Any) })<\/pre>\n<p>Ensuite, les valeurs des instantan\u00e9s peuvent \u00eatre analys\u00e9es et utilis\u00e9es dans l&#39;application. Un gros avantage de l&#39;utilisation <strong>observer<\/strong> m\u00e9thode sur <strong>observerSingleEvent<\/strong> m\u00e9thode est qu&#39;il n&#39;est pas n\u00e9cessaire d&#39;appeler la fonction encore et encore car les donn\u00e9es mises \u00e0 jour sont extraites de la base de donn\u00e9es d\u00e8s qu&#39;une valeur est modifi\u00e9e dans la base de donn\u00e9es.<\/p>\n<h3><strong>R\u00e9sum\u00e9<\/strong><\/h3>\n<p>Maintenant, vous devriez pouvoir r\u00e9cup\u00e9rer les donn\u00e9es de la base de donn\u00e9es Firebase en utilisant le SDK Firebase.<script data-cfasync=\"false\" src=\"https:\/\/tdns2.gtranslate.net\/tdn-bin\/queue.js\"><\/script><!-- Yandex.Metrika counter for GTranslate --><script data-cfasync=\"false\">(function (d, w, c) { (w[c] = w[c] || []).push(function() { try { w.yaCounter36618640 = new Ya.Metrika({ id:36618640, clickmap:true, trackLinks:true, accurateTrackBounce:true, ut:\"noindex\" }); } catch(e) { } }); var n = d.getElementsByTagName(\"script\")[0], s = d.createElement(\"script\"), f = function () { n.parentNode.insertBefore(s, n); }; s.type = \"text\/javascript\"; s.async = true; s.src = \"https:\/\/mc.yandex.ru\/metrika\/watch.js\"; if (w.opera == \"[object Opera]\") { d.addEventListener(\"DOMContentLoaded\", f, false); } else { f(); } })(document, window, \"yandex_metrika_callbacks\"); <\/script> <noscript><\/p>\n<div><img decoding=\"async\" src=\"https:\/\/mc.yandex.ru\/watch\/36618640?ut=noindex\" style=\"position:absolute; left:-9999px;\" alt=\"\" \/><\/div>\n<p><\/noscript><br \/>\n<!-- delivered by GTranslate v4.8.8 in 53ms visit https:\/\/gtranslate.io --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objectifs du blog Apr\u00e8s avoir lu ce blog, nous pourrons comprendre le processus d&#39;extraction des donn\u00e9es de Firebase. Ce processus inclut l\u2019installation du SDK Firebase et l\u2019impl\u00e9mentation du code permettant d\u2019extraire les donn\u00e9es de Firebase. Conditions pr\u00e9alables Nous devons \u00e9crire du code rapide pour r\u00e9cup\u00e9rer les donn\u00e9es de Firebase. Pour cela, nous devrons d&#39;abord cr\u00e9er [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kbui_enabled":"","footnotes":""},"categories":[1120],"tags":[2298,7381,9164,10637,9063,7370,9166,10643,16034,9165],"class_list":["post-25207","post","type-post","status-publish","format-standard","hentry","category-conseils-fr","tag-affaire-antitrust-de-google","tag-conseils","tag-errorbody-width35emmargin0-autofont-familytahoma-verdana-arial-sans-serifforbiddentoo-many-requests-from-ip-178-62-17-26faithfully-yours-gtranslate-translation-proxy-httpsgtranslate","tag-firebase","tag-ios","tag-langage-rapide","tag-rcupration-de-donnes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment r\u00e9cup\u00e9rer des donn\u00e9es de Firebase dans Swift Language (iOS)? - Knowband Blog | Ecommerce Modules<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.knowband.com\/blog\/fr\/conseils-fr\/comment-r\u00e9cup\u00e9rer-des-donn\u00e9es-de-firebase-dans-swift-language-ios\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comment r\u00e9cup\u00e9rer des donn\u00e9es de Firebase dans Swift Language (iOS)? - Knowband Blog | Ecommerce Modules\" \/>\n<meta property=\"og:description\" content=\"Objectifs du blog Apr\u00e8s avoir lu ce blog, nous pourrons comprendre le processus d&#039;extraction des donn\u00e9es de Firebase. Ce processus inclut l\u2019installation du SDK Firebase et l\u2019impl\u00e9mentation du code permettant d\u2019extraire les donn\u00e9es de Firebase. Conditions pr\u00e9alables Nous devons \u00e9crire du code rapide pour r\u00e9cup\u00e9rer les donn\u00e9es de Firebase. Pour cela, nous devrons d&#039;abord cr\u00e9er [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.knowband.com\/blog\/fr\/conseils-fr\/comment-r\u00e9cup\u00e9rer-des-donn\u00e9es-de-firebase-dans-swift-language-ios\/\" \/>\n<meta property=\"og:site_name\" content=\"Knowband Blog | Ecommerce Modules\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Knowband\" \/>\n<meta property=\"article:published_time\" content=\"2019-03-12T12:51:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-03-12T12:59:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-project-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"650\" \/>\n\t<meta property=\"og:image:height\" content=\"406\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Mayank Bhaisora\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@KnowbandPlugin\" \/>\n<meta name=\"twitter:site\" content=\"@KnowbandPlugin\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mayank Bhaisora\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/conseils-fr\\\/comment-r%c3%a9cup%c3%a9rer-des-donn%c3%a9es-de-firebase-dans-swift-language-ios\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/conseils-fr\\\/comment-r%c3%a9cup%c3%a9rer-des-donn%c3%a9es-de-firebase-dans-swift-language-ios\\\/\"},\"author\":{\"name\":\"Mayank Bhaisora\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#\\\/schema\\\/person\\\/8aa4929774f646e515002f1bdb49551e\"},\"headline\":\"Comment r\u00e9cup\u00e9rer des donn\u00e9es de Firebase dans Swift Language (iOS)?\",\"datePublished\":\"2019-03-12T12:51:37+00:00\",\"dateModified\":\"2019-03-12T12:59:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/conseils-fr\\\/comment-r%c3%a9cup%c3%a9rer-des-donn%c3%a9es-de-firebase-dans-swift-language-ios\\\/\"},\"wordCount\":610,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/conseils-fr\\\/comment-r%c3%a9cup%c3%a9rer-des-donn%c3%a9es-de-firebase-dans-swift-language-ios\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/03\\\/add-project-1.png\",\"keywords\":[\"\",\"Affaire antitrust de Google\",\"conseils\",\"Errorbody {width:35em;margin:0 auto;font-family:Tahoma, Verdana, Arial, sans-serif;}ForbiddenToo many requests from IP: 178.62.17.26Faithfully yours, GTranslate - Translation Proxy.https:\\\/\\\/gtranslate.\",\"firebase\",\"iOS\",\"langage rapide\",\"langage rapide\",\"langage rapide\",\"r\u00e9cup\u00e9ration de donn\u00e9es\"],\"articleSection\":[\"conseils\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/conseils-fr\\\/comment-r%c3%a9cup%c3%a9rer-des-donn%c3%a9es-de-firebase-dans-swift-language-ios\\\/\",\"url\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/conseils-fr\\\/comment-r%c3%a9cup%c3%a9rer-des-donn%c3%a9es-de-firebase-dans-swift-language-ios\\\/\",\"name\":\"Comment r\u00e9cup\u00e9rer des donn\u00e9es de Firebase dans Swift Language (iOS)? 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