{"id":200606,"date":"2025-05-06T08:45:22","date_gmt":"2025-05-06T00:45:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200606\/"},"modified":"2025-05-06T08:45:22","modified_gmt":"2025-05-06T00:45:22","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-mysql-%e4%b8%ad%e6%9f%a5%e8%af%a2%e7%89%b9%e5%ae%9a%e9%83%a8%e9%97%a8%e5%8f%8a%e5%85%b6%e4%b8%8b%e5%b1%9e%e6%89%80%e6%9c%89%e9%83%a8%e9%97%a8%e7%9a%84%e7%94%a8%e6%88%b7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200606\/","title":{"rendered":"\u5982\u4f55\u5728 MySQL \u4e2d\u67e5\u8be2\u7279\u5b9a\u90e8\u95e8\u53ca\u5176\u4e0b\u5c5e\u6240\u6709\u90e8\u95e8\u7684\u7528\u6237\uff0c\u907f\u514d\u91cd\u590d\u8bb0\u5f55\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u5728 MySQL \u4e2d\u67e5\u8be2\u7279\u5b9a\u90e8\u95e8\u53ca\u5176\u4e0b\u5c5e\u6240\u6709\u90e8\u95e8\u7684\u7528\u6237\uff0c\u907f\u514d\u91cd\u590d\u8bb0\u5f55\uff1f<\/h1>\n<p>\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241109\/1731148591672f3b2f4f933.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u67e5\u8be2\u67d0\u4e2a\u90e8\u95e8\u4ee5\u4e0b\u6240\u6709\u90e8\u95e8\u7684\u7528\u6237<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<p>\u5982\u4f55\u5728 mysql \u4e2d\u67e5\u8be2\u7279\u5b9a\u90e8\u95e8\u53ca\u5176\u4e0b\u5c5e\u6240\u6709\u90e8\u95e8\u7684\u7528\u6237\uff0c\u907f\u514d\u91cd\u590d\u8bb0\u5f55\uff1f\u53c2\u8003\u8868\u7ed3\u6784\uff1a<\/p>\n<ul>\n<li>\u7528\u6237\u8868\uff08user\uff09<\/li>\n<li>\u90e8\u95e8\u8868\uff08dept\uff09<\/li>\n<li>\u7528\u6237\u90e8\u95e8\u5173\u8054\u8868\uff08user_dept\uff09<\/li>\n<\/ul>\n<p>\u4e0b\u8ff0\u8bed\u53e5\u4f1a\u4ea7\u751f\u91cd\u590d\u8bb0\u5f55\uff1a<\/p>\n<pre>select\n    ud.dept_id, u.*\nfrom\n    sys_user_dept ud left join sys_user u on ud.user_id = u.id<\/pre>\n<p><strong>\u89e3\u7b54\uff1a<\/strong><\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u91cd\u590d\uff0c\u53ef\u4ee5\u5728\u67e5\u8be2\u4e2d\u52a0\u5165\u6761\u4ef6\uff0c\u9650\u5b9a\u7279\u5b9a\u90e8\u95e8\uff1a<\/p>\n<pre>SELECT\n    ud.dept_id, u.*\nFROM\n    sys_user_dept ud LEFT JOIN sys_user u ON ud.user_id = u.id\nWHERE\n    ud.dept_id = &lt;\u9700\u8981\u67e5\u8be2\u7684\u90e8\u95e8 ID&gt;<\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300a\u5982\u4f55\u5728 MySQL \u4e2d\u67e5\u8be2\u7279\u5b9a\u90e8\u95e8\u53ca\u5176\u4e0b\u5c5e\u6240\u6709\u90e8\u95e8\u7684\u7528\u6237\uff0c\u907f\u514d\u91cd\u590d\u8bb0\u5f55\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728 MySQL \u4e2d\u67e5\u8be2\u7279\u5b9a\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-200606","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200606","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=200606"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200606\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}