{"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\/zh\/\u535a\u5ba2\/java\/\u65e5\u671f\u683c\u5f0f-setlenient","title":{"rendered":"Java \u65e5\u671f\u6709\u6548\u6027\u548c\u5b58\u5728\u6027\u68c0\u67e5"},"content":{"rendered":"<h2 class=\"common_title\"><a name=\"0\"><strong>Java<\/strong> <strong>\u65e5\u671f<\/strong>\u5bf9 <strong>Calendar.setLenient().<\/strong><\/a><\/h2>\n<p>\n<strong>Java<\/strong>\u5728<strong>\u65e5\u671f\u6709\u6548\u6027\/\u5b58\u5728\u6027\u68c0\u67e5\u3002<\/strong>\u8fd9\u662f\u4e00\u4e2a\u793a\u4f8b\u7a0b\u5e8f\uff0c\u53ef\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u3002<br \/>\n\u68c0\u67e5\u65e5\u5386\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u7684\u65e5\u671f\u5b57\u7b26\u4e32\uff08yyyy\/MM\/dd \u6216 yyyy-MM-dd\uff09\u3002<\/p>\n<p><strong>java.text.DateFormat<\/strong>\u73ed\u7ea7<strong>setLenient()<\/strong>\u4e3a false\uff0c\u4ee5\u786e\u4fdd\u4e25\u683c\u7684\u65e5\u671f\u89e3\u6790\u3002(\u65e5\u671f\u683c\u5f0f\u7c7b\u5185\u90e8\u662f<strong>java.util.Calendar \u7c7b\u4e2d\u7684 setLenient() \u51fd\u6570\u3002<\/strong>\u8c03\u51fa\uff09\u3002<br \/>\n\u8fd9\u79cd\u68c0\u67e5\u65b9\u6cd5\u7684\u4f9d\u636e\u662f\uff0c\u4f7f\u7528\u65e0\u6548\u6216\u4e0d\u5b58\u5728\u7684\u65e5\u671f\u8c03\u7528 parse() \u65b9\u6cd5\u5c06\u5bfc\u81f4 ParseException \u5f02\u5e38\u3002\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\">\u793a\u4f8b\u7a0b\u5e8f<\/a><\/h2>\n<pre class=\"sample_src\">\/**\r\n * \u65e5\u671f\u6709\u6548\u6027\u68c0\u67e5\u3002\r\n * \u8fd4\u56de\u7ed9\u5b9a\u7684\u65e5\u671f\u5b57\u7b26\u4e32\uff08yyyy\/MM\/dd \u6216 yyyy-MM-dd\uff09\r\n * \u8fd4\u56de\u6307\u5b9a\u7684\u65e5\u671f\u5b57\u7b26\u4e32\uff08yyyy\/MM\/dd \u6216 yyyy-MM-dd\uff09\u662f\u5426\u5b58\u5728\u4e8e\u65e5\u5386\u4e2d\u3002\r\n * @param strDate \u8981\u68c0\u67e5\u7684\u5b57\u7b26\u4e32\u3002\r\n * \u5982\u679c\u65e5\u671f\u5b58\u5728\uff0c\u8fd4\u56de True\u3002\r\n *\/\r\npublic static boolean checkDate(String strDate) {\r\n    if (strDate == null || strDate.length() \uff01= 10) {\r\n        \u629b\u51fa\u65b0\u7684 IllegalArgumentException(\r\n                \"\u53c2\u6570\u5b57\u7b26\u4e32 [\"+ strDate +\"]\" +\r\n                \"\"\u4e0d\u5408\u6cd5\u3002\");\r\n    }\r\n    strDate = strDate.replace('-', '\/');.\r\n    DateFormat format = DateFormat.getDateInstance();.\r\n    \/\/ \u8bbe\u7f6e\u662f\u5426\u4e25\u683c\u6267\u884c\u65e5\u671f\/\u65f6\u95f4\u89e3\u6790\u3002\r\n    format.setLenient(false)\uff1b\r\n    try {\r\n        format.parse(strDate)\uff1b\r\n        \u8fd4\u56de true\uff1b\r\n    catch (Exception e) {\r\n        return false; }\r\n    }\r\n}\r\n<\/pre>\n<h2 class=\"common_title\"><a name=\"2\">\u6267\u884c\u7ed3\u679c<\/a><\/h2>\n<p>\u6267\u884c\u793a\u4f8b<\/p>\n<pre class=\"sample_src\">public static void main(String[] args) {\r\n    System.out.println(checkDate(\"2007-01-01\"))\uff1b\r\n    System.out.println(checkDate(\"2007\/02\/31\"))\uff1b\r\n    System.out.println(checkDate(\"aaaa\/02\/31\"))\uff1b\r\n}\r\n<\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c<\/p>\n<pre class=\"console\">\u771f\r\n\u9519\u8bef\r\n\u5047\r\n<\/pre>","protected":false},"excerpt":{"rendered":"<p>Java \u65e5\u671f\u6709\u6548\u6027\/\u5b58\u5728\u6027\u68c0\u67e5 Calendar.setLenient() Java \u4e2d\u7684\u65e5\u671f\u6709\u6548\u6027\/\u5b58\u5728\u6027\u68c0\u67e5 [...]<\/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\/zh\/wp-json\/wp\/v2\/posts\/960"}],"collection":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/comments?post=960"}],"version-history":[{"count":6,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/960\/revisions"}],"predecessor-version":[{"id":9055,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/960\/revisions\/9055"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/media?parent=960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/categories?post=960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/tags?post=960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}