{"id":200747,"date":"2025-05-06T10:09:31","date_gmt":"2025-05-06T02:09:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200747\/"},"modified":"2025-05-06T10:09:31","modified_gmt":"2025-05-06T02:09:31","slug":"%e5%a6%82%e4%bd%95%e9%ab%98%e6%95%88%e6%9f%a5%e8%af%a2%e6%9f%90%e4%b8%aa%e9%83%a8%e9%97%a8%e5%8f%8a%e5%85%b6%e6%89%80%e6%9c%89%e5%ad%90%e9%83%a8%e9%97%a8%e7%9a%84%e5%91%98%e5%b7%a5%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200747\/","title":{"rendered":"\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u67d0\u4e2a\u90e8\u95e8\u53ca\u5176\u6240\u6709\u5b50\u90e8\u95e8\u7684\u5458\u5de5\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u67d0\u4e2a\u90e8\u95e8\u53ca\u5176\u6240\u6709\u5b50\u90e8\u95e8\u7684\u5458\u5de5\uff1f<\/h1>\n<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/173147675167343d0f4308f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>mysql\u9ad8\u6548\u67e5\u8be2\u90e8\u95e8\u53ca\u5176\u5b50\u90e8\u95e8\u5458\u5de5<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong>\u5982\u4f55\u9ad8\u6548\u5730\u67e5\u8be2\u67d0\u4e2a\u90e8\u95e8\u53ca\u5176\u6240\u6709\u5b50\u90e8\u95e8\u4e0b\u7684\u5458\u5de5\uff0c\u907f\u514d\u91cd\u590d\u6570\u636e\uff1f<\/p>\n<p><strong>\u8868\u7ed3\u6784\uff1a<\/strong><\/p>\n<ul>\n<li>department\uff1a\u90e8\u95e8\u4fe1\u606f\uff0c\u5305\u62ec\u552f\u4e00\u7f16\u53f7\u3001\u90e8\u95e8\u540d\u79f0\u3001\u4e0a\u7ea7\u90e8\u95e8\u7f16\u53f7\u548c\u6240\u5c5e\u516c\u53f8<\/li>\n<li>user\uff1a\u5458\u5de5\u4fe1\u606f\uff0c\u5305\u62ec\u552f\u4e00\u7f16\u53f7\u3001\u6635\u79f0\u548c\u6240\u5c5e\u516c\u53f8<\/li>\n<li>department_user_relate\uff1a\u90e8\u95e8\u5458\u5de5\u5173\u8054\u8868\uff0c\u5305\u62ec\u552f\u4e00\u7f16\u53f7\u3001\u90e8\u95e8\u7f16\u53f7\u548c\u5458\u5de5\u7f16\u53f7<\/li>\n<\/ul>\n<p><strong>\u67e5\u8be2\u65b9\u6848\uff1a<\/strong><\/p>\n<pre>WITH RECURSIVE depts(id)\nAS(\n    SELECT id FROM department WHERE id = \u8981\u67e5\u627e\u7684\u90e8\u95e8ID\n    UNION ALL\n    SELECT id FROM department AS d where d.parent_id = id\n)\n\nselect * from user where user.id in (\n    SELECT user_id FROM department_user_relate\n    where dept_id in (\n        select id from depts )\n)<\/pre>\n<p><strong>\u6269\u5c55\uff1a<\/strong><\/p>\n<ol>\n<li>\u4e0d\u652f\u6301 cte \u8868\u8fbe\u5f0f\u65f6\uff0c\u53ef\u4ee5\u5c06\u6240\u6709\u90e8\u95e8\u4fe1\u606f\u67e5\u8be2\u51fa\u6765\uff0c\u518d\u4e0e\u5173\u8054\u8868\u8fdb\u884c\u67e5\u8be2\u3002<\/li>\n<li>\u5982\u679c\u4e0d\u652f\u6301 cte \u683c\u5f0f\uff0c\u53ef\u4ee5\u4fee\u6539\u90e8\u95e8\u6811\u8868\u7684\u7ed3\u6784\uff0c\u5c06\u90e8\u95e8\u7684\u6240\u6709\u7236 id \u4fdd\u5b58\u4e0b\u6765\uff0c\u5e76\u5728\u67e5\u627e\u65f6\u4f7f\u7528 find_in_set \u51fd\u6570\u8fdb\u884c\u5224\u65ad\u3002<\/li>\n<li>\u5982\u679c\u7236 id \u91c7\u7528 json \u7ed3\u6784\u5b57\u6bb5\u4fdd\u5b58\uff0c\u53ef\u4ee5\u7528 json_contains \u51fd\u6570\u8fdb\u884c\u5224\u65ad\u3002<\/li>\n<\/ol>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u67d0\u4e2a\u90e8\u95e8\u53ca\u5176\u6240\u6709\u5b50\u90e8\u95e8\u7684\u5458\u5de5\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u67d0\u4e2a\u90e8\u95e8\u53ca\u5176\u6240\u6709\u5b50\u90e8&#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-200747","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200747","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=200747"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200747\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}