{"id":969,"date":"2019-04-22T18:55:54","date_gmt":"2019-04-22T09:55:54","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=969"},"modified":"2019-10-19T13:22:04","modified_gmt":"2019-10-19T04:22:04","slug":"%e7%ae%80%e5%8c%96%e6%a0%bc%e5%bc%8f%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/zh\/blog\/java\/simpledateformat-parse","title":{"rendered":"\u5728 Java \u4e2d\u5c06\u65e5\u671f\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a Date \u7c7b\u578b"},"content":{"rendered":"<h2><strong>Java<\/strong> <strong>\u65e5\u671f\u5b57\u7b26\u4e32<\/strong>\u3092 <strong>java.util.Date<\/strong> \u6309\u7c7b\u578b\u83b7\u53d6<\/h2>\n<p>\n\u5728Java\u4e2d\uff0c\u5982\u4f55\u683c\u5f0f\u5316\u65e5\u671f\u5b57\u7b26\u4e32\uff08yyyy\/MM\/dd\uff09\uff1f <strong>java.util.Date<\/strong> \u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u7279\u5b9a\u7c7b\u578b\u7684\u793a\u4f8b\u7a0b\u5e8f\u3002\n<\/p>\n<h2>\u793a\u4f8b\u4ee3\u7801<\/h2>\n<pre class=\"sample_src\">\r\n\/** * \u5c06\u65e5\u671f\u5b57\u7b26\u4e32\"yyyy\/MM\/dd\"\u8f6c\u6362\u4e3a java.util.Date \u7c7b\u578b\u3002 * @param str \u8981\u8f6c\u6362\u7684\u5b57\u7b26\u4e32 * @return \u8f6c\u6362\u540e\u7684 java.util.Date \u5bf9\u8c61 * @throws ParseException \u5982\u679c\u65e5\u671f\u5b57\u7b26\u4e32\u4e0d\u662f\"yyyy\/MM\/dd\"\u683c\u5f0f *\/ public static Date toDate(String str) throws ParseException { Date date = DateFormat.getDateInstance().parse(str); return date; }\r\n<\/pre>\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>\u6267\u884c\u7ed3\u679c<\/h2>\n<h4>\u793a\u4f8b\u7a0b\u5e8f<\/h4>\n<pre class=\"sample_src\">\r\npublic static void main(String[] args) { try { \/\/ \u666e\u901a\u683c\u5f0f Date date = toDate(&quot;2007\/01\/01&quot;); System.out.println(date); \/\/ \u4e0d\u540c\u683c\u5f0f\u683c\u5f0f date = toDate(&quot;2007-01-01&quot;); System.out.println(date); } catch (ParseException e) { e.printStackTrace(); } }\r\n<\/pre>\n<h4>\u8f93\u51fa\u7ed3\u679c<\/h4>\n<pre class=\"console\">2007\/01\/01=&#039;2007 \u5e74\u65e5\u672c\u6807\u51c6\u65f6\u95f4 1 \u6708 1 \u65e5\u661f\u671f\u4e00 00:00:00&#039;'\r\n<\/pre>\n<p>yyyy\/MM\/dd \u65e5\u671f\u5b57\u7b26\u4e32\u4f3c\u4e4e\u5df2\u6b63\u786e\u8f6c\u6362\uff0c\u4f46 yyyy-MM-dd \u5462\uff1f<\/p>\n<pre class=\"console\">java.text.ParseException\uff1a\u65e0\u6cd5\u89e3\u6790\u7684\u65e5\u671f\uff1a\"2007-01-01\"\u5728java.text.DateFormat.parse\uff08DateFormat.java\uff1a335\uff09\u5728Main.toDate\uff08DateUtil.java\uff1a627\uff09\u5728Main.main\uff08DateUtil.java\uff1a639\uff09\r\n<\/pre>\n<p>\u5728 yyyy-MM-dd \u53d1\u751f\u89e3\u6790\u5f02\u5e38\u3002<\/p>\n<p><strong>\u65e5\u671f\u683c\u5f0f<\/strong> \u5b50\u7c7b <strong>java.text.SimpleDateFormat<\/strong> \u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u8f6c\u6362\uff1a<\/p>\n<pre class=\"sample_src\">SimpleDateFormat format = new SimpleDateFormat(\"yyyy-MM-dd\");\r\nformat.parse(\"2007-01-01\");  \r\n<\/pre>\n<p>\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u66f4\u901a\u7528\u7684\u7a0b\u5e8f\uff0c\u5bf9\u5427\uff1f<br \/>\n\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u5c3d\u53ef\u80fd\u5c06\u4efb\u4f55\u65e5\u671f\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a java.util.Date \u7c7b\u578b\u3002<br \/>\n<a href=\"\/zh\/%e5%8d%9a%e5%ae%a2\/java\/%e6%af%8f%e4%b8%aa%e6%97%a5%e6%9c%9f%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%88%b0%e6%97%a5%e5%8e%86\/\">\u5c06\u4efb\u4f55\u65e5\u671f\u548c\u65f6\u95f4\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u65e5\u671f\u6216\u65e5\u5386\u7c7b\u578b\u3002<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Java \u65e5\u4ed8\u6587\u5b57\u5217\u3092 java.util.Date \u578b\u3067\u53d6\u5f97 Java \u3067\u65e5\u4ed8\u6587\u5b57\u5217 \uff08\u30d5\u30a9\u30fc\u30de\u30c3\u30c8 yyy [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[19],"tags":[],"class_list":["post-969","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/969","targetHints":{"allow":["GET"]}}],"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=969"}],"version-history":[{"count":10,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/969\/revisions"}],"predecessor-version":[{"id":4620,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/969\/revisions\/4620"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/media?parent=969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/categories?post=969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/tags?post=969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}