{"id":79260,"date":"2024-10-16T12:52:18","date_gmt":"2024-10-16T04:52:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79260\/"},"modified":"2024-10-16T12:52:18","modified_gmt":"2024-10-16T04:52:18","slug":"mysql%e6%8c%87%e4%bb%a4-monthname%ef%bc%88%e6%9c%88%e4%bb%bd%e5%90%8d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79260\/","title":{"rendered":"MySQL\u6307\u4ee4: MONTHNAME()\uff08\u6708\u4efd\u540d\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-monthname%ef%bc%88%e6%9c%88%e4%bb%bd%e5%90%8d%ef%bc%89-pybjUHXaDd\">MySQL\u6307\u4ee4: MONTHNAME()\uff08\u6708\u4efd\u540d\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u95dc\u806f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u5f37\u5927\u7684\u6307\u4ee4\u4f86\u8655\u7406\u548c\u67e5\u8a62\u8cc7\u6599\u3002\u5176\u4e2d\uff0c<code>MONTHNAME()<\/code>\u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5f9e\u65e5\u671f\u4e2d\u63d0\u53d6\u51fa\u6708\u4efd\u7684\u540d\u7a31\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e<code>MONTHNAME()<\/code>\u51fd\u6578\u7684\u7528\u6cd5\u53ca\u5176\u61c9\u7528\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"monthname%e5%87%bd%e6%95%b8%e6%a6%82%e8%bf%b0-pybjUHXaDd\">MONTHNAME()\u51fd\u6578\u6982\u8ff0<\/h2>\n<p><code>MONTHNAME()<\/code>\u51fd\u6578\u7684\u4e3b\u8981\u529f\u80fd\u662f\u8fd4\u56de\u6307\u5b9a\u65e5\u671f\u7684\u6708\u4efd\u540d\u7a31\u3002\u9019\u500b\u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>MONTHNAME(date)<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>date<\/code>\u53c3\u6578\u53ef\u4ee5\u662f\u65e5\u671f\u683c\u5f0f\u7684\u5b57\u4e32\u6216\u662f\u65e5\u671f\u578b\u5225\u7684\u6b04\u4f4d\u3002\u7576\u4f60\u50b3\u5165\u4e00\u500b\u6709\u6548\u7684\u65e5\u671f\u6642\uff0c<code>MONTHNAME()<\/code>\u5c07\u8fd4\u56de\u8a72\u65e5\u671f\u6240\u5c0d\u61c9\u7684\u6708\u4efd\u540d\u7a31\uff0c\u4f8b\u5982\u300c\u4e00\u6708\u300d\u3001\u300c\u4e8c\u6708\u300d\u7b49\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-pybjUHXaDd\">\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528<code>MONTHNAME()<\/code>\u51fd\u6578\u7684\u7bc4\u4f8b\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u5176\u7528\u6cd5\uff1a<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b1%ef%bc%9a%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-pybjUHXaDd\">\u7bc4\u4f8b1\uff1a\u57fa\u672c\u7528\u6cd5<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>orders<\/code>\u7684\u8cc7\u6599\u8868\uff0c\u88e1\u9762\u6709\u4e00\u500b<code>order_date<\/code>\u6b04\u4f4d\uff0c\u5b58\u5132\u4e86\u8a02\u55ae\u7684\u65e5\u671f\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u6bcf\u500b\u8a02\u55ae\u7684\u6708\u4efd\u540d\u7a31\uff1a<\/p>\n<pre><code>SELECT order_id, MONTHNAME(order_date) AS month_name\nFROM orders;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6bcf\u500b\u8a02\u55ae\u7684ID\u53ca\u5176\u5c0d\u61c9\u7684\u6708\u4efd\u540d\u7a31\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b2%ef%bc%9a%e8%88%87%e5%85%b6%e4%bb%96%e5%87%bd%e6%95%b8%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8-pybjUHXaDd\">\u7bc4\u4f8b2\uff1a\u8207\u5176\u4ed6\u51fd\u6578\u7d50\u5408\u4f7f\u7528<\/h3>\n<p>\u4f60\u4e5f\u53ef\u4ee5\u5c07<code>MONTHNAME()<\/code>\u51fd\u6578\u8207\u5176\u4ed6MySQL\u51fd\u6578\u7d50\u5408\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u8981\u8a08\u7b97\u6bcf\u500b\u6708\u4efd\u7684\u8a02\u55ae\u6578\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT MONTHNAME(order_date) AS month_name, COUNT(*) AS total_orders\nFROM orders\nGROUP BY month_name;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6bcf\u500b\u6708\u4efd\u7684\u540d\u7a31\u53ca\u5176\u5c0d\u61c9\u7684\u8a02\u55ae\u6578\u91cf\uff0c\u5e6b\u52a9\u4f60\u5206\u6790\u6bcf\u500b\u6708\u4efd\u7684\u696d\u52d9\u8868\u73fe\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-pybjUHXaDd\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528<code>MONTHNAME()<\/code>\u51fd\u6578\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u50b3\u5165\u7684\u65e5\u671f\u70ba<code>NULL<\/code>\uff0c\u5247\u51fd\u6578\u5c07\u8fd4\u56de<code>NULL<\/code>\u3002<\/li>\n<li>\u51fd\u6578\u8fd4\u56de\u7684\u6708\u4efd\u540d\u7a31\u662f\u6839\u64da\u7cfb\u7d71\u7684\u8a9e\u8a00\u8a2d\u7f6e\u4f86\u6c7a\u5b9a\u7684\uff0c\u9810\u8a2d\u70ba\u82f1\u6587\u3002\u5982\u679c\u9700\u8981\u5176\u4ed6\u8a9e\u8a00\u7684\u6708\u4efd\u540d\u7a31\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u984d\u5916\u7684\u8a2d\u7f6e\u3002<\/li>\n<li>\u5728\u9032\u884c\u65e5\u671f\u8a08\u7b97\u6642\uff0c\u78ba\u4fdd\u65e5\u671f\u683c\u5f0f\u6b63\u78ba\uff0c\u4ee5\u907f\u514d\u51fa\u73fe\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-pybjUHXaDd\">\u7d50\u8ad6<\/h2>\n<p>MySQL\u7684<code>MONTHNAME()<\/code>\u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5f9e\u65e5\u671f\u4e2d\u63d0\u53d6\u51fa\u6708\u4efd\u540d\u7a31\uff0c\u4e26\u9032\u884c\u9032\u4e00\u6b65\u7684\u6578\u64da\u5206\u6790\u3002\u7121\u8ad6\u662f\u5728\u5831\u544a\u751f\u6210\u3001\u6578\u64da\u53ef\u8996\u5316\u9084\u662f\u696d\u52d9\u5206\u6790\u4e2d\uff0c\u9019\u500b\u51fd\u6578\u90fd\u80fd\u63d0\u4f9b\u91cd\u8981\u7684\u652f\u6301\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u500b\u4eba\u9805\u76ee\u9084\u662f\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684<code><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/code>\u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6307\u4ee4MONTHNAME()\uff0c\u8f7b\u677e\u83b7\u53d6\u6307\u5b9a\u65e5\u671f\u7684\u6708\u4efd\u540d\u79f0\uff0c\u63d0\u5347\u6570\u636e\u5e93\u67e5\u8be2\u6548\u7387\u4e0e\u53ef\u8bfb\u6027\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-79260","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79260","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=79260"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79260\/revisions"}],"predecessor-version":[{"id":79261,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79260\/revisions\/79261"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}