{"id":960,"date":"2018-09-17T18:51:38","date_gmt":"2018-09-17T09:51:38","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=960"},"modified":"2018-12-23T01:55:16","modified_gmt":"2018-12-22T16:55:16","slug":"dateformat-setlenient","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/fr\/blog\/java\/dateformat-defini","title":{"rendered":"V\u00e9rification de la validit\u00e9\/existence de la date Java"},"content":{"rendered":"<h2 class=\"common_title\"><a name=\"0\"><strong>Java<\/strong> <strong>date<\/strong>Contr\u00f4le de validit\u00e9\/existence <strong>Calendrier.setLenient()<\/strong><\/a><\/h2>\n<p>\n<strong>Java<\/strong>dans<strong>Contr\u00f4le de validit\u00e9\/existence de la date<\/strong>Ceci est un exemple de programme qui fait cela.<br \/>\nV\u00e9rifie si la cha\u00eene de date sp\u00e9cifi\u00e9e (aaaa\/MM\/jj ou aaaa-MM-jj) existe sur le calendrier.<\/p>\n<p><strong>java.text.DateFormat<\/strong>classe<strong>setLenient()<\/strong>En sp\u00e9cifiant false, vous pouvez effectuer une analyse stricte des dates. (*La classe DateFormat est interne<strong>setLenient() dans la classe java.util.Calendar<\/strong>appelle. )<br \/>\nCette m\u00e9thode de v\u00e9rification utilise le fait que si vous appelez la m\u00e9thode parse() avec une date invalide ou une date inexistante, une ParseException se produira.\n<\/p>\n<p><script type=\"text\/javascript\" src=\"https:\/\/chat-messenger.com\/js\/common.js?dd12sssas2223\" charset=\"UTF-8\"><\/script><br \/>\n<script type=\"text\/javascript\"> writePR(); <\/script><\/p>\n<h2 class=\"common_title\"><a name=\"1\">exemple de programme<\/a><\/h2>\n<pre class=\"sample_src\">\/** * Effectue une v\u00e9rification de validit\u00e9 de date. * Indique si la cha\u00eene de date sp\u00e9cifi\u00e9e (aaaa\/MM\/jj ou aaaa-MM-jj) * existe dans le calendrier. * @param strDate Cha\u00eene \u00e0 v\u00e9rifier * @return true si la date existe *\/ public static boolean checkDate(String strDate) { if (strDate == null || strDate.length() != 10) { throw new IllegalArgumentException ( &quot;L&#039;argument string [&quot;+ strDate +&quot;]&quot; + &quot;is invalide.&quot;); } strDate = strDate.replace(&#039;-&#039;, &#039;\/&#039;); DateFormat format = DateFormat.getDateInstance(); \/\/ D\u00e9finir s&#039;il faut effectuer une date stricte \/analyse du temps. format.setLenient(false); try { format.parse(strDate); return true; } catch (Exception e) { return false; } }\r\n<\/pre>\n<h2 class=\"common_title\"><a name=\"2\">R\u00e9sultat de l&#039;ex\u00e9cution<\/a><\/h2>\n<p>\u25c6Exemple d&#039;ex\u00e9cution<\/p>\n<pre class=\"sample_src\">public static void main(String[] args) { System.out.println(checkDate(&quot;2007-01-01&quot;)); System.out.println(checkDate(&quot;2007\/02\/31&quot;)); System.out .println(checkDate(&quot;aaaa\/02\/31&quot;)); }\r\n<\/pre>\n<p>\u25c6R\u00e9sultat de sortie<\/p>\n<pre class=\"console\">vrai faux faux\r\n<\/pre>","protected":false},"excerpt":{"rendered":"<p>V\u00e9rification de la validit\u00e9\/existence de la date Java Calendar.setLenient() V\u00e9rification de la validit\u00e9\/existence de la date en Java [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/posts\/960"}],"collection":[{"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/comments?post=960"}],"version-history":[{"count":6,"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/posts\/960\/revisions"}],"predecessor-version":[{"id":9055,"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/posts\/960\/revisions\/9055"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/media?parent=960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/categories?post=960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/fr\/wp-json\/wp\/v2\/tags?post=960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}