{"id":200667,"date":"2025-05-06T13:58:06","date_gmt":"2025-05-06T05:58:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200667\/"},"modified":"2025-05-06T13:58:06","modified_gmt":"2025-05-06T05:58:06","slug":"%e5%a6%82%e4%bd%95%e5%90%8c%e6%97%b6%e8%8e%b7%e5%8f%96%e6%96%87%e7%ab%a0%e5%88%97%e8%a1%a8%e5%8f%8a%e7%82%b9%e8%b5%9e%e4%bf%a1%e6%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200667\/","title":{"rendered":"\u5982\u4f55\u540c\u65f6\u83b7\u53d6\u6587\u7ae0\u5217\u8868\u53ca\u70b9\u8d5e\u4fe1\u606f\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u540c\u65f6\u83b7\u53d6\u6587\u7ae0\u5217\u8868\u53ca\u70b9\u8d5e\u4fe1\u606f\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u540c\u65f6\u83b7\u53d6\u6587\u7ae0\u5217\u8868\u53ca\u70b9\u8d5e\u4fe1\u606f\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241111\/17312935036731713ff1b40.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u67e5\u8be2\u6587\u7ae0\u5217\u8868\u5e76\u83b7\u53d6\u70b9\u8d5e\u4fe1\u606f<\/strong><\/p>\n<p>\u5728\u9700\u8981\u540c\u65f6\u663e\u793a\u6587\u7ae0\u5217\u8868\u548c\u6587\u7ae0\u662f\u5426\u88ab\u70b9\u8d5e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<pre>select id, userid, workid, name, \n    (select count(*) from \u559c\u6b22\u8868 as l where l.workid = a.workid) as like \n    from \u6587\u7ae0\u8868 as a<\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>\u6587\u7ae0\u8868\uff1a\u5305\u542b\u6587\u7ae0\u4fe1\u606f\u7684\u8868<\/li>\n<li>\u559c\u6b22\u8868\uff1a\u5305\u542b\u6587\u7ae0\u70b9\u8d5e\u4fe1\u606f\u7684\u8868<\/li>\n<li>a\uff1a\u4e3a \u6587\u7ae0\u8868 \u7684\u522b\u540d<\/li>\n<li>l\uff1a\u4e3a \u559c\u6b22\u8868 \u7684\u522b\u540d<\/li>\n<\/ul>\n<p>\u8be5\u67e5\u8be2\u5c06\u8fd4\u56de\u6587\u7ae0\u5217\u8868\uff0c\u540c\u65f6\u5305\u542b\u6bcf\u7bc7\u6587\u7ae0\u7684\u70b9\u8d5e\u6570\uff08like\uff09\u3002<\/p>\n<p><strong>\u6269\u5c55\uff1a\u5224\u65ad\u5f53\u524d\u7528\u6237\u662f\u5426\u70b9\u8d5e<\/strong><\/p>\n<p>\u82e5\u9700\u8981\u5224\u65ad\u5f53\u524d\u7528\u6237\u662f\u5426\u70b9\u8d5e\uff0c\u5219\u9700\u8981\u5206\u4e24\u6b21\u67e5\u8be2\uff1a<\/p>\n<p>\u7b2c\u4e00\u6b21\u67e5\u8be2\u6587\u7ae0\u5217\u8868\uff0c\u83b7\u53d6\u6587\u7ae0 id\uff1a<\/p>\n<pre>select id, userid, workid, name from \u6587\u7ae0\u8868<\/pre>\n<p>\u7b2c\u4e8c\u6b21\u67e5\u8be2\u5f53\u524d\u7528\u6237\u5bf9\u8fd9\u4e9b\u6587\u7ae0 id \u7684\u70b9\u8d5e\u8bb0\u5f55\uff1a<\/p>\n<pre>select workid from \u559c\u6b22\u8868 where userid = {\u5f53\u524d\u7528\u6237 ID}<\/pre>\n<p>\u7136\u540e\u5c06\u4e24\u6b21\u67e5\u8be2\u7684\u7ed3\u679c\u6574\u5408\uff0c\u5373\u53ef\u5224\u65ad\u5f53\u524d\u7528\u6237\u662f\u5426\u70b9\u8d5e\u4e86\u6bcf\u7bc7\u6587\u7ae0\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6570\u636e\u5e93\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u540c\u65f6\u83b7\u53d6\u6587\u7ae0\u5217\u8868\u53ca\u70b9\u8d5e\u4fe1\u606f\uff1f&#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-200667","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200667","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=200667"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200667\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200667"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}