{"id":176599,"date":"2024-11-08T12:10:16","date_gmt":"2024-11-08T04:10:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176599\/"},"modified":"2024-11-08T12:10:17","modified_gmt":"2024-11-08T04:10:17","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e4%b8%8d%e6%ad%a3%e7%a2%ba%e7%9a%84%e6%97%a5%e6%9c%9f%e6%99%82%e9%96%93%e5%80%bcdatetime","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176599\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; \u4e0d\u6b63\u78ba\u7684\u65e5\u671f\u6642\u9593\u503c:&#8217;datetime&#8217;"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e4%b8%8d%e6%ad%a3%e7%a2%ba%e7%9a%84%e6%97%a5%e6%9c%9f%e6%99%82%e9%96%93%e5%80%bcdatetime-cdrZdBgLOD\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; \u4e0d\u6b63\u78ba\u7684\u65e5\u671f\u6642\u9593\u503c:&#8217;datetime&#8217;<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u7d93\u5e38\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u300c\u4e0d\u6b63\u78ba\u7684\u65e5\u671f\u6642\u9593\u503c:&#8217;datetime&#8217;\u300d\u7684\u932f\u8aa4\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\uff0c\u7576\u63d0\u4f9b\u7684\u65e5\u671f\u6216\u6642\u9593\u683c\u5f0f\u4e0d\u7b26\u5408MySQL\u7684\u8981\u6c42\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u9019\u500b\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-cdrZdBgLOD\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>MySQL\u5c0d\u65e5\u671f\u548c\u6642\u9593\u7684\u683c\u5f0f\u6709\u56b4\u683c\u7684\u8981\u6c42\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u56e0\uff0c\u53ef\u80fd\u5c0e\u81f4\u300c\u4e0d\u6b63\u78ba\u7684\u65e5\u671f\u6642\u9593\u503c:&#8217;datetime&#8217;\u300d\u932f\u8aa4\uff1a<\/p>\n<ul>\n<li><strong>\u683c\u5f0f\u4e0d\u6b63\u78ba\uff1a<\/strong>MySQL\u8981\u6c42\u65e5\u671f\u6642\u9593\u7684\u683c\u5f0f\u70ba &#8216;YYYY-MM-DD HH:MM:SS&#8217;\u3002\u5982\u679c\u63d0\u4f9b\u7684\u683c\u5f0f\u4e0d\u7b26\u5408\u9019\u4e00\u8981\u6c42\uff0c\u5c31\u6703\u51fa\u73fe\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7121\u6548\u7684\u65e5\u671f\uff1a<\/strong>\u4f8b\u5982\uff0c\u65e5\u671f &#8216;2023-02-30&#8217; \u662f\u7121\u6548\u7684\uff0c\u56e0\u70ba\u4e8c\u6708\u53ea\u670928\u621629\u5929\u3002<\/li>\n<li><strong>\u7a7a\u503c\u6216NULL\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5982\u679c\u5617\u8a66\u63d2\u5165NULL\u503c\u5230\u4e0d\u5141\u8a31\u70baNULL\u7684datetime\u5b57\u6bb5\uff0c\u4e5f\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6642\u5340\u554f\u984c\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u7684\u6642\u5340\u8a2d\u7f6e\u8207\u61c9\u7528\u7a0b\u5e8f\u7684\u6642\u5340\u4e0d\u4e00\u81f4\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u65e5\u671f\u6642\u9593\u7684\u89e3\u6790\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-cdrZdBgLOD\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%97%a5%e6%9c%9f%e6%99%82%e9%96%93%e6%a0%bc%e5%bc%8f-cdrZdBgLOD\">1. \u6aa2\u67e5\u65e5\u671f\u6642\u9593\u683c\u5f0f<\/h3>\n<p>\u78ba\u4fdd\u63d2\u5165\u6216\u66f4\u65b0\u7684\u65e5\u671f\u6642\u9593\u503c\u7b26\u5408 &#8216;YYYY-MM-DD HH:MM:SS&#8217; \u7684\u683c\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>INSERT INTO your_table (datetime_column) VALUES ('2023-10-01 12:00:00');<\/code><\/pre>\n<h3 id=\"2-%e9%a9%97%e8%ad%89%e6%97%a5%e6%9c%9f%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7-cdrZdBgLOD\">2. \u9a57\u8b49\u65e5\u671f\u7684\u6709\u6548\u6027<\/h3>\n<p>\u5728\u63d2\u5165\u6578\u64da\u4e4b\u524d\uff0c\u6aa2\u67e5\u65e5\u671f\u662f\u5426\u6709\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u6216\u65e5\u671f\u51fd\u6578\u4f86\u9a57\u8b49\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT STR_TO_DATE('2023-02-30', '%Y-%m-%d');<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56deNULL\uff0c\u5247\u8868\u793a\u65e5\u671f\u7121\u6548\u3002<\/p>\n<h3 id=\"3-%e8%99%95%e7%90%86null%e5%80%bc-cdrZdBgLOD\">3. \u8655\u7406NULL\u503c<\/h3>\n<p>\u5982\u679c\u5b57\u6bb5\u4e0d\u5141\u8a31NULL\uff0c\u8acb\u78ba\u4fdd\u5728\u63d2\u5165\u6578\u64da\u6642\u63d0\u4f9b\u6709\u6548\u7684\u65e5\u671f\u6642\u9593\u503c\u3002\u5982\u679c\u9700\u8981\u5141\u8a31NULL\uff0c\u5247\u53ef\u4ee5\u5728\u8868\u7d50\u69cb\u4e2d\u8a2d\u7f6e\u8a72\u5b57\u6bb5\u70baNULL\uff1a<\/p>\n<pre><code>ALTER TABLE your_table MODIFY datetime_column DATETIME NULL;<\/code><\/pre>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e6%99%82%e5%8d%80%e8%a8%ad%e7%bd%ae-cdrZdBgLOD\">4. \u6aa2\u67e5\u6642\u5340\u8a2d\u7f6e<\/h3>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u6642\u5340\u8a2d\u7f6e\u4e00\u81f4\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5MySQL\u7684\u6642\u5340\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SELECT @@global.time_zone, @@session.time_zone;<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u66f4\u6539\u6642\u5340\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>SET time_zone = 'Asia\/Hong_Kong';<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cdrZdBgLOD\">\u7e3d\u7d50<\/h2>\n<p>\u4fee\u5fa9MySQL\u7684\u300c\u4e0d\u6b63\u78ba\u7684\u65e5\u671f\u6642\u9593\u503c:&#8217;datetime&#8217;\u300d\u932f\u8aa4\u9700\u8981\u4ed4\u7d30\u6aa2\u67e5\u65e5\u671f\u6642\u9593\u7684\u683c\u5f0f\u3001\u6709\u6548\u6027\u3001NULL\u503c\u8655\u7406\u4ee5\u53ca\u6642\u5340\u8a2d\u7f6e\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4\uff1a\u4e0d\u6b63\u78ba\u7684\u65e5\u671f\u6642\u9593\u503c\uff0c\u89e3\u6c7a\u65b9\u6848\u548c\u6b65\u9a5f\uff0c\u8b93\u4f60\u7684\u6578\u64da\u5eab\u904b\u884c\u9806\u66a2\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-176599","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=176599"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176599\/revisions"}],"predecessor-version":[{"id":176600,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176599\/revisions\/176600"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}