{"id":47939,"date":"2024-12-02T17:15:34","date_gmt":"2024-12-02T09:15:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47939\/"},"modified":"2024-12-02T17:15:34","modified_gmt":"2024-12-02T09:15:34","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8simpledateformat%e7%b1%bb%e8%a7%a3%e5%86%b3%e6%97%b6%e9%97%b4%e6%a0%bc%e5%bc%8f%e5%8c%96%e9%97%ae%e9%a2%98%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47939\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528SimpleDateFormat\u7c7b\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528SimpleDateFormat\u7c7b\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898\uff1f<\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u4f7f\u7528SimpleDateFormat\u7c7b\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898\uff1f\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241102\/1730516963672597e3f2552.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528SimpleDateFormat\u7c7b\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528SimpleDateFormat\u7c7b\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898<\/strong><\/p>\n<p>\u5728\u5904\u7406\u65f6\u95f4\u683c\u5f0f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 simpledateformat \u7c7b\u3002\u4ee5\u4e0b\u662f\u8be5\u7c7b\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n<p><strong>\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>date dtnow = new date();\nsimpledateformat sdf1 = new simpledateformat(\"yyyy-mm-dd hh:mm:ss\");\nstring mydt = sdf1.format(dtnow.gettime());\nsystem.out.println(mydt);\n\nsimpledateformat sdf2 = new simpledateformat(\"yyyy\u5e74mm\u6708dd\u65e5 hh\u65f6mm\u5206ss\u79d2\");\nmydt = sdf2.format(dtnow.gettime());\nsystem.out.println(mydt);<\/pre>\n<p><strong>\u6267\u884c\u7ed3\u679c\uff1a<\/strong><\/p>\n<pre>2023-03-08 10:21:34\n2023\u5e7403\u670808\u65e5 10\u65f621\u520634\u79d2<\/pre>\n<p>\u5982\u4e0a\u6240\u793a\uff0c\u901a\u8fc7\u4e0d\u540c\u7684\u65f6\u95f4\u683c\u5f0f\u5316\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5f97\u5230\u4e0d\u540c\u7684\u65f6\u95f4\u683c\u5f0f\u5316\u7ed3\u679c\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528SimpleDateFormat\u7c7b\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528SimpleDateFormat\u7c7b\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898\uff1f \u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u5982\u4f55\u4f7f\u7528SimpleDateFormat\u7c7b\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898\uff1f\u300b\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u6216\u8005\u662f\u5bf9\u6587\u7ae0\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01 \u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898 \u5728\u5904\u7406\u65f6\u95f4\u683c\u5f0f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 simpledateformat \u7c7b\u3002\u4ee5\u4e0b\u662f\u8be5\u7c7b\u4f7f\u7528\u793a\u4f8b\uff1a \u4ee3\u7801\uff1a date dtnow = new date(); simpledateformat sdf1 = new simpledateformat(&#8220;yyyy-mm-dd hh:mm:ss&#8221;); string mydt = sdf1.format(dtnow.gettime()); system.out.println(mydt); simpledateformat sdf2 = new simpledateformat(&#8220;yyyy\u5e74mm\u6708dd\u65e5 hh\u65f6mm\u5206ss\u79d2&#8221;); mydt = sdf2.format(dtnow.gettime()); system.out.println(mydt); \u6267\u884c\u7ed3\u679c\uff1a 2023-03-08 10:21:34 2023\u5e7403\u670808\u65e5 10\u65f621\u520634\u79d2 \u5982\u4e0a\u6240\u793a\uff0c\u901a\u8fc7\u4e0d\u540c\u7684\u65f6\u95f4\u683c\u5f0f\u5316\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5f97\u5230\u4e0d\u540c\u7684\u65f6\u95f4\u683c\u5f0f\u5316\u7ed3\u679c\u3002 \u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528SimpleDateFormat\u7c7b\u89e3\u51b3\u65f6\u95f4\u683c\u5f0f\u5316\u95ee\u9898\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47939","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47939","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47939"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47939\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}