{"id":200475,"date":"2025-05-06T09:49:39","date_gmt":"2025-05-06T01:49:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200475\/"},"modified":"2025-05-06T09:49:39","modified_gmt":"2025-05-06T01:49:39","slug":"%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96-mysql-%e5%95%86%e5%93%81%e9%94%80%e5%94%ae%e6%83%85%e5%86%b5%e7%bb%9f%e8%ae%a1%e6%9f%a5%e8%af%a2%ef%bc%8c%e6%8f%90%e5%8d%87%e6%9f%a5%e8%af%a2%e9%80%9f%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200475\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316 MySQL \u5546\u54c1\u9500\u552e\u60c5\u51b5\u7edf\u8ba1\u67e5\u8be2\uff0c\u63d0\u5347\u67e5\u8be2\u901f\u5ea6\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f18\u5316 MySQL \u5546\u54c1\u9500\u552e\u60c5\u51b5\u7edf\u8ba1\u67e5\u8be2\uff0c\u63d0\u5347\u67e5\u8be2\u901f\u5ea6\uff1f<\/h1>\n<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241106\/1730856111672ac4afb72cb.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u4f18\u5316 mysql \u5546\u54c1\u9500\u552e\u60c5\u51b5\u7edf\u8ba1\u67e5\u8be2<\/strong><\/p>\n<p>\u8be5\u67e5\u8be2\u65e8\u5728\u7edf\u8ba1\u5546\u54c1\u9500\u552e\u60c5\u51b5\uff0c\u6d89\u53ca\u5546\u54c1\u548c\u8ba2\u5355\u8868\u3002\u7136\u800c\uff0c\u5f53\u9488\u5bf9\u7279\u5b9a\u65f6\u95f4\u6bb5\u8fdb\u884c\u7edf\u8ba1\u65f6\uff0c\u67e5\u8be2\u901f\u5ea6\u53d8\u5f97\u975e\u5e38\u7f13\u6162\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u5316\u5efa\u8bae\uff1a<\/p>\n<ol>\n<li><strong>\u53d6\u6d88 create_time \u7d22\u5f15<\/strong><br \/>\u8fd9\u4e24\u4e2a\u8868\u7684 create_time \u7d22\u5f15\u53ef\u80fd\u5bfc\u81f4\u7d22\u5f15\u81a8\u80c0\uff0c\u4ece\u800c\u964d\u4f4e\u67e5\u8be2\u6027\u80fd\u3002\u53ef\u4ee5\u8003\u8651\u79fb\u9664\u8fd9\u4e9b\u7d22\u5f15\u3002<\/li>\n<li><strong>\u4fee\u6539 orders \u8868 goods_id \u7d22\u5f15<\/strong><br \/>orders \u8868\u4e2d\u7684 goods_id \u7d22\u5f15\u53ef\u4ee5\u4fee\u6539\u4e3a\u590d\u5408\u7d22\u5f15 (create_time, goods_id, amount, status)\u3002\u8fd9\u5c06\u63d0\u9ad8\u5728\u6307\u5b9a\u65f6\u95f4\u8303\u56f4\u5185\u6309\u5546\u54c1 id\u3001\u91d1\u989d\u548c\u72b6\u6001\u5206\u7ec4\u7684\u67e5\u8be2\u6548\u7387\u3002<\/li>\n<li>\n<p><strong>\u4f18\u5316 sql \u67e5\u8be2<\/strong><br \/>\u4ee5\u4e0b\u4f18\u5316\u540e\u7684 sql \u67e5\u8be2\uff1a<\/p>\n<pre>SELECT g.title,\nCOUNT(*)                       AS total,\nCOALESCE(SUM(o.amount), 0)     AS total_amount,\nCOALESCE(SUM(IF(o.status = 1, o.amount, 0)), 0)     AS success_amount,\nCOALESCE(SUM(IF(o.status = 2, o.amount, 0)), 0)     AS failed_amount,\nCOALESCE(SUM(o.status = 1), 0) AS success_total,\nCOALESCE(SUM(o.status = 2), 0) AS failed_total\nFROM orders AS o\nJOIN goods AS g ON g.id = o.goods_id\nWHERE o.create_time BETWEEN 'xxx' AND 'yyy'\nGROUP BY o.id\nORDER BY total DESC\nLIMIT 10<\/pre>\n<p>\u5176\u4e2d xxx \u548c yyy \u5206\u522b\u4ee3\u8868\u67e5\u8be2\u65f6\u95f4\u6bb5\u7684\u5f00\u59cb\u548c\u7ed3\u675f\u65f6\u95f4\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u6b64\u5916\uff0c\u5bf9\u4e8e\u5c0f\u6570\u636e\u91cf\uff08\u51e0\u5341\u4e07\u6761\u8bb0\u5f55\uff09\uff0c\u8003\u8651\u4f7f\u7528 sqlite \u53ef\u80fd\u662f\u53e6\u4e00\u79cd\u66f4\u6709\u6548\u7684\u9009\u62e9\u3002\u5b83\u4ee5\u5176\u5feb\u901f\u67e5\u8be2\u901f\u5ea6\u800c\u95fb\u540d\uff0c\u65e0\u9700\u4f7f\u7528\u590d\u6742\u7684\u4f18\u5316\u6280\u672f\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f18\u5316 MySQL \u5546\u54c1\u9500\u552e\u60c5&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200475","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200475","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200475"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200475\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}