{"id":79986,"date":"2024-10-16T13:46:15","date_gmt":"2024-10-16T05:46:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79986\/"},"modified":"2024-10-16T13:46:15","modified_gmt":"2024-10-16T05:46:15","slug":"mysql%e6%8c%87%e4%bb%a4-timediff%ef%bc%88%e6%99%82%e9%96%93%e5%b7%ae%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79986\/","title":{"rendered":"MySQL\u6307\u4ee4: TIMEDIFF()\uff08\u6642\u9593\u5dee\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-timediff%ef%bc%88%e6%99%82%e9%96%93%e5%b7%ae%ef%bc%89-VJZPyjTJWx\">MySQL\u6307\u4ee4: TIMEDIFF()\uff08\u6642\u9593\u5dee\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6642\u9593\u7684\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u74b0\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6642\u9593\u548c\u65e5\u671f\u51fd\u6578\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f <code>TIMEDIFF()<\/code> \u51fd\u6578\u3002\u9019\u500b\u51fd\u6578\u7684\u4e3b\u8981\u529f\u80fd\u662f\u8a08\u7b97\u5169\u500b\u6642\u9593\u4e4b\u9593\u7684\u5dee\u7570\uff0c\u4e26\u4ee5\u6642\u9593\u683c\u5f0f\u8fd4\u56de\u7d50\u679c\u3002<\/p>\n<h2 id=\"timediff-%e5%87%bd%e6%95%b8%e7%9a%84%e8%aa%9e%e6%b3%95-VJZPyjTJWx\">TIMEDIFF() \u51fd\u6578\u7684\u8a9e\u6cd5<\/h2>\n<p><code>TIMEDIFF()<\/code> \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>TIMEDIFF(time1, time2)<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>time1<\/code> \u548c <code>time2<\/code> \u662f\u5169\u500b\u6642\u9593\u503c\uff0c\u51fd\u6578\u5c07\u8fd4\u56de <code>time1<\/code> \u548c <code>time2<\/code> \u4e4b\u9593\u7684\u6642\u9593\u5dee\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u5169\u500b\u6642\u9593\u503c\u5fc5\u9808\u662f\u6709\u6548\u7684\u6642\u9593\u683c\u5f0f\uff0c\u5426\u5247\u51fd\u6578\u5c07\u8fd4\u56de\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-VJZPyjTJWx\">\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528 <code>TIMEDIFF()<\/code> \u51fd\u6578\u7684\u7bc4\u4f8b\uff1a<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-1-%e5%9f%ba%e6%9c%ac%e4%bd%bf%e7%94%a8-VJZPyjTJWx\">\u7bc4\u4f8b 1: \u57fa\u672c\u4f7f\u7528<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u6642\u9593\uff0c\u5206\u5225\u662f <code>'12:30:00'<\/code> \u548c <code>'10:15:00'<\/code>\uff0c\u6211\u5011\u60f3\u8a08\u7b97\u5b83\u5011\u4e4b\u9593\u7684\u6642\u9593\u5dee\uff1a<\/p>\n<pre><code>SELECT TIMEDIFF('12:30:00', '10:15:00') AS time_difference;<\/code><\/pre>\n<p>\u57f7\u884c\u9019\u689d\u67e5\u8a62\u5f8c\uff0c\u8fd4\u56de\u7684\u7d50\u679c\u5c07\u662f <code>'02:15:00'<\/code>\uff0c\u8868\u793a\u5169\u500b\u6642\u9593\u4e4b\u9593\u7684\u5dee\u7570\u70ba\u5169\u5c0f\u6642\u5341\u4e94\u5206\u9418\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-2-%e8%88%87%e6%97%a5%e6%9c%9f%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8-VJZPyjTJWx\">\u7bc4\u4f8b 2: \u8207\u65e5\u671f\u7d50\u5408\u4f7f\u7528<\/h3>\n<p>\u9664\u4e86\u55ae\u7d14\u7684\u6642\u9593\u8a08\u7b97\uff0c<code>TIMEDIFF()<\/code> \u4e5f\u53ef\u4ee5\u8207\u65e5\u671f\u7d50\u5408\u4f7f\u7528\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u5b8c\u6574\u7684\u65e5\u671f\u6642\u9593\u503c\uff1a<\/p>\n<pre><code>SELECT TIMEDIFF('2023-10-01 14:00:00', '2023-10-01 12:30:00') AS time_difference;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de <code>'01:30:00'<\/code>\uff0c\u8868\u793a\u5169\u500b\u5b8c\u6574\u7684\u65e5\u671f\u6642\u9593\u4e4b\u9593\u7684\u5dee\u7570\u70ba\u4e00\u5c0f\u6642\u4e09\u5341\u5206\u9418\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-VJZPyjTJWx\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u6642\u9593\u683c\u5f0f\uff1a<\/strong>\u78ba\u4fdd\u8f38\u5165\u7684\u6642\u9593\u683c\u5f0f\u6b63\u78ba\uff0c\u5426\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li><strong>\u8fd4\u56de\u503c\uff1a<\/strong>\u8fd4\u56de\u7684\u6642\u9593\u5dee\u662f\u4ee5 <code>HH:MM:SS<\/code> \u683c\u5f0f\u986f\u793a\u3002<\/li>\n<li><strong>\u8ca0\u503c\uff1a<\/strong>\u5982\u679c <code>time1<\/code> \u5c0f\u65bc <code>time2<\/code>\uff0c\u5247\u8fd4\u56de\u7684\u6642\u9593\u5dee\u5c07\u662f\u8ca0\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-VJZPyjTJWx\">\u5be6\u969b\u61c9\u7528\u5834\u666f<\/h2>\n<p><code>TIMEDIFF()<\/code> \u51fd\u6578\u5728\u8a31\u591a\u5be6\u969b\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5728\u8a08\u7b97\u4e8b\u4ef6\u6301\u7e8c\u6642\u9593\u3001\u8a08\u7b97\u5de5\u4f5c\u6642\u6578\u6216\u5206\u6790\u6578\u64da\u6642\uff0c\u9019\u500b\u51fd\u6578\u90fd\u80fd\u63d0\u4f9b\u65b9\u4fbf\u7684\u6642\u9593\u5dee\u8a08\u7b97\u3002\u5c0d\u65bc\u9700\u8981\u7cbe\u78ba\u6642\u9593\u7ba1\u7406\u7684\u61c9\u7528\uff0c\u5982\u8a02\u7968\u7cfb\u7d71\u3001\u8a08\u6642\u5668\u7b49\uff0c<code>TIMEDIFF()<\/code> \u51fd\u6578\u7684\u4f7f\u7528\u53ef\u4ee5\u5927\u5927\u7c21\u5316\u958b\u767c\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VJZPyjTJWx\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u7684 <code>TIMEDIFF()<\/code> \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u8a08\u7b97\u6642\u9593\u5dee\u3002\u7121\u8ad6\u662f\u5728\u6578\u64da\u5206\u6790\u9084\u662f\u65e5\u5e38\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\uff0c\u638c\u63e1\u9019\u500b\u51fd\u6578\u7684\u4f7f\u7528\u90fd\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002\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\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u7684TIMEDIFF()\u6307\u4ee4\uff0c\u8f15\u9b06\u8a08\u7b97\u5169\u500b\u6642\u9593\u4e4b\u9593\u7684\u5dee\u7570\uff0c\u63d0\u5347\u6578\u64da\u8655\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-79986","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79986","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=79986"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79986\/revisions"}],"predecessor-version":[{"id":79987,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79986\/revisions\/79987"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}