{"id":200961,"date":"2025-05-06T12:52:48","date_gmt":"2025-05-06T04:52:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200961\/"},"modified":"2025-05-06T12:52:48","modified_gmt":"2025-05-06T04:52:48","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e6%9f%a5%e8%af%a2%e4%b8%ad%ef%bc%8c%e8%81%9a%e5%90%88%e5%87%bd%e6%95%b0%e5%92%8c%e6%8e%92%e5%ba%8f%e7%9a%84%e6%89%a7%e8%a1%8c%e9%a1%ba%e5%ba%8f%e6%98%af%e6%80%8e%e6%a0%b7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200961\/","title":{"rendered":"\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\uff0c\u805a\u5408\u51fd\u6570\u548c\u6392\u5e8f\u7684\u6267\u884c\u987a\u5e8f\u662f\u600e\u6837\u7684\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\uff0c\u805a\u5408\u51fd\u6570\u548c\u6392\u5e8f\u7684\u6267\u884c\u987a\u5e8f\u662f\u600e\u6837\u7684\uff1f<\/h1>\n

\u5c0f\u4f19\u4f34\u4eec\u5bf9\u6570\u636e\u5e93\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300a\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\uff0c\u805a\u5408\u51fd\u6570\u548c\u6392\u5e8f\u7684\u6267\u884c\u987a\u5e8f\u662f\u600e\u6837\u7684\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

<\/p>\n

\u6570\u636e\u5e93\u6267\u884c\u987a\u5e8f\uff1a\u805a\u5408\u51fd\u6570\u4e0e\u6392\u5e8f<\/strong><\/p>\n

\u5728\u7f16\u5199\u6570\u636e\u5e93\u67e5\u8be2\u65f6\uff0c\u6709\u65f6\u4f1a\u540c\u65f6\u4f7f\u7528\u805a\u5408\u51fd\u6570\uff08\u5982 SUM\u3001COUNT\uff09\u548c\u6392\u5e8f\u8bed\u53e5\u3002\u6b64\u65f6\uff0c\u4e86\u89e3\u8fd9\u4e9b\u64cd\u4f5c\u7684\u6267\u884c\u987a\u5e8f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u5728\u56fe\u793a\u53e5\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86 SUM \u805a\u5408\u51fd\u6570\u548c ORDER BY \u6392\u5e8f\u8bed\u53e5\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6392\u5e8f\u90fd\u662f\u6700\u540e\u6267\u884c\u7684\u3002\u8fd9\u662f\u56e0\u4e3a\u5728\u805a\u5408\u64cd\u4f5c\u5b8c\u6210\u4e4b\u524d\uff0c\u7ed3\u679c\u6570\u636e\u8fd8\u6ca1\u6709\u51fa\u73b0\u3002\u5982\u679c\u5728\u805a\u5408\u7ed3\u679c\u672a\u51fa\u73b0\u4e4b\u524d\u8fdb\u884c\u6392\u5e8f\uff0c\u6392\u5e8f\u7ed3\u679c\u53ef\u80fd\u4e0d\u51c6\u786e\u3002<\/p>\n

\u56e0\u6b64\uff0c\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6267\u884c\u987a\u5e8f\u5982\u4e0b\uff1a<\/p>\n

    \n
  1. \u8ba1\u7b97 SUM \u805a\u5408\u51fd\u6570<\/strong>\uff1a\u8ba1\u7b97\u8868\u4e2d\u67d0\u4e00\u5217\u7684\u503c\u7684\u603b\u548c\u3002<\/li>\n
  2. \u6267\u884c\u6392\u5e8f\u8bed\u53e5<\/strong>\uff1a\u6309\u7167 name \u5217\u5bf9\u805a\u5408\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<\/ol>\n

    \u9075\u5faa\u8fd9\u4e2a\u6267\u884c\u987a\u5e8f\uff0c\u53ef\u4ee5\u786e\u4fdd\u6392\u5e8f\u7ed3\u679c\u51c6\u786e\u5730\u53cd\u6620\u805a\u5408\u51fd\u6570\u7684\u7ed3\u679c\u3002<\/p>\n

    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\uff0c\u805a\u5408\u51fd\u6570\u548c\u6392\u5e8f\u7684\u6267\u884c\u987a\u5e8f\u662f\u600e\u6837\u7684\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6570\u636e\u5e93\u77e5\u8bc6\uff01<\/p>\n

    \n
    \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

    \u6570\u636e\u5e93\u67e5\u8be2\u4e2d\uff0c\u805a\u5408\u51fd\u6570\u548c\u6392\u5e8f\u7684\u6267...<\/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-200961","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200961","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=200961"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200961\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}