{"id":79850,"date":"2024-10-16T13:39:48","date_gmt":"2024-10-16T05:39:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79850\/"},"modified":"2024-10-16T13:39:48","modified_gmt":"2024-10-16T05:39:48","slug":"mysql%e6%8c%87%e4%bb%a4-str_to_date%ef%bc%88%e5%ad%97%e7%ac%a6%e4%b8%b2%e8%bd%89%e6%97%a5%e6%9c%9f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79850\/","title":{"rendered":"MySQL\u6307\u4ee4: STR_TO_DATE()\uff08\u5b57\u7b26\u4e32\u8f49\u65e5\u671f\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-str_to_date%ef%bc%88%e5%ad%97%e7%ac%a6%e4%b8%b2%e8%bd%89%e6%97%a5%e6%9c%9f%ef%bc%89-icXmCwDGKq\">MySQL\u6307\u4ee4: STR_TO_DATE()\uff08\u5b57\u7b26\u4e32\u8f49\u65e5\u671f\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002MySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u51fd\u6578\u4f86\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\uff0c\u5176\u4e2d<strong>STR_TO_DATE()<\/strong>\u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u65e5\u671f\u683c\u5f0f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSTR_TO_DATE()\u7684\u7528\u6cd5\u3001\u8a9e\u6cd5\u53ca\u5176\u61c9\u7528\u793a\u4f8b\u3002<\/p>\n<h2 id=\"str_to_date%e5%87%bd%e6%95%b8%e6%a6%82%e8%bf%b0-icXmCwDGKq\">STR_TO_DATE()\u51fd\u6578\u6982\u8ff0<\/h2>\n<p>STR_TO_DATE()\u51fd\u6578\u7684\u4e3b\u8981\u529f\u80fd\u662f\u5c07\u7b26\u5408\u7279\u5b9a\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u65e5\u671f\u985e\u578b\u3002\u9019\u5728\u8655\u7406\u4f86\u81ea\u7528\u6236\u8f38\u5165\u6216\u5916\u90e8\u6578\u64da\u6e90\u7684\u65e5\u671f\u5b57\u7b26\u4e32\u6642\u7279\u5225\u6709\u7528\u3002\u901a\u904e\u9019\u500b\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\u3002<\/p>\n<h2 id=\"%e8%aa%9e%e6%b3%95-icXmCwDGKq\">\u8a9e\u6cd5<\/h2>\n<pre><code>STR_TO_DATE(str, format)<\/code><\/pre>\n<ul>\n<li><strong>str<\/strong>: \u8981\u8f49\u63db\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<li><strong>format<\/strong>: \u6307\u5b9a\u5b57\u7b26\u4e32\u7684\u65e5\u671f\u683c\u5f0f\uff0c\u4f7f\u7528MySQL\u7684\u65e5\u671f\u683c\u5f0f\u7b26\u865f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%97%a5%e6%9c%9f%e6%a0%bc%e5%bc%8f%e7%ac%a6%e8%99%9f-icXmCwDGKq\">\u65e5\u671f\u683c\u5f0f\u7b26\u865f<\/h2>\n<p>\u5728\u4f7f\u7528STR_TO_DATE()\u6642\uff0c\u5fc5\u9808\u63d0\u4f9b\u6b63\u78ba\u7684\u683c\u5f0f\u7b26\u865f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u683c\u5f0f\u7b26\u865f\uff1a<\/p>\n<ul>\n<li><strong>%Y<\/strong>: \u56db\u4f4d\u6578\u7684\u5e74\u4efd\uff08\u4f8b\u5982\uff1a2023\uff09<\/li>\n<li><strong>%y<\/strong>: \u5169\u4f4d\u6578\u7684\u5e74\u4efd\uff08\u4f8b\u5982\uff1a23\uff09<\/li>\n<li><strong>%m<\/strong>: \u6708\u4efd\uff0801\u523012\uff09<\/li>\n<li><strong>%d<\/strong>: \u65e5\u671f\uff0801\u523031\uff09<\/li>\n<li><strong>%H<\/strong>: \u5c0f\u6642\uff0800\u523023\uff09<\/li>\n<li><strong>%i<\/strong>: \u5206\u9418\uff0800\u523059\uff09<\/li>\n<li><strong>%s<\/strong>: \u79d2\uff0800\u523059\uff09<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-icXmCwDGKq\">\u4f7f\u7528\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528STR_TO_DATE()\u7684\u5e7e\u500b\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b1-%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-icXmCwDGKq\">\u793a\u4f8b1: \u57fa\u672c\u7528\u6cd5<\/h3>\n<pre><code>SELECT STR_TO_DATE('2023-10-01', '%Y-%m-%d') AS converted_date;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u5b57\u7b26\u4e32&#8217;2023-10-01&#8217;\u8f49\u63db\u70ba\u65e5\u671f\u683c\u5f0f\uff0c\u7d50\u679c\u5c07\u986f\u793a\u70ba&#8217;2023-10-01&#8217;\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b2-%e5%8c%85%e5%90%ab%e6%99%82%e9%96%93%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2-icXmCwDGKq\">\u793a\u4f8b2: \u5305\u542b\u6642\u9593\u7684\u5b57\u7b26\u4e32<\/h3>\n<pre><code>SELECT STR_TO_DATE('2023-10-01 14:30:00', '%Y-%m-%d %H:%i:%s') AS converted_datetime;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5b57\u7b26\u4e32&#8217;2023-10-01 14:30:00&#8217;\u88ab\u8f49\u63db\u70ba\u65e5\u671f\u6642\u9593\u683c\u5f0f\uff0c\u7d50\u679c\u5c07\u986f\u793a\u70ba&#8217;2023-10-01 14:30:00&#8217;\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b3-%e8%87%aa%e5%ae%9a%e7%be%a9%e6%a0%bc%e5%bc%8f-icXmCwDGKq\">\u793a\u4f8b3: \u81ea\u5b9a\u7fa9\u683c\u5f0f<\/h3>\n<pre><code>SELECT STR_TO_DATE('01\/10\/2023', '%d\/%m\/%Y') AS converted_date;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u5b57\u7b26\u4e32&#8217;01\/10\/2023&#8217;\u8f49\u63db\u70ba\u65e5\u671f\u683c\u5f0f\uff0c\u56e0\u70ba\u6211\u5011\u6307\u5b9a\u4e86\u81ea\u5b9a\u7fa9\u7684\u683c\u5f0f&#8217;%d\/%m\/%Y&#8217;\uff0c\u7d50\u679c\u5c07\u986f\u793a\u70ba&#8217;2023-10-01&#8217;\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-icXmCwDGKq\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528STR_TO_DATE()\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u8207\u6307\u5b9a\u7684\u683c\u5f0f\u7b26\u865f\u4e00\u81f4\uff0c\u5426\u5247\u8f49\u63db\u5c07\u5931\u6557\u3002<\/li>\n<li>\u5982\u679c\u5b57\u7b26\u4e32\u7121\u6cd5\u8f49\u63db\uff0cMySQL\u5c07\u8fd4\u56deNULL\u3002<\/li>\n<li>\u5728\u8655\u7406\u7528\u6236\u8f38\u5165\u6642\uff0c\u61c9\u8003\u616e\u5230\u4e0d\u540c\u7684\u65e5\u671f\u683c\u5f0f\uff0c\u4ee5\u907f\u514d\u8f49\u63db\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-icXmCwDGKq\">\u7e3d\u7d50<\/h2>\n<p>STR_TO_DATE()\u51fd\u6578\u662fMySQL\u4e2d\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u6709\u6548\u5730\u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u65e5\u671f\u683c\u5f0f\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528\u9019\u500b\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002\u5728\u9999\u6e2f\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u9019\u4e00\u529f\u80fd\u5c24\u70ba\u91cd\u8981\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u4f86\u81ea\u4e0d\u540c\u4f86\u6e90\u7684\u6578\u64da\u6642\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6307\u4ee4STR_TO_DATE()\uff0c\u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u65e5\u671f\u683c\u5f0f\uff0c\u7c21\u5316\u65e5\u671f\u8655\u7406\u8207\u67e5\u8a62\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-79850","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79850","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=79850"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79850\/revisions"}],"predecessor-version":[{"id":79851,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79850\/revisions\/79851"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}