{"id":7260,"date":"2024-11-14T14:30:50","date_gmt":"2024-11-14T06:30:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7260\/"},"modified":"2024-11-14T14:30:50","modified_gmt":"2024-11-14T06:30:50","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:\/\/fwq.ai\/blog\/7260\/","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><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173064100019922.jpg\" class=\"aligncenter\" title=\"\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\u63d2\u56fe\" alt=\"\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\u63d2\u56fe\" \/><\/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  \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> \u767b\u5f55\u540e\u590d\u5236 <\/p>\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> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\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\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u67e5\u8be2\u67d0\u4e2a\u90e8\u95e8\u4ee5\u4e0b\u6240\u6709\u90e8\u95e8\u7684\u7528\u6237 \u95ee\u9898\uff1a \u5982\u4f55\u5728 \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 \u7528\u6237\u8868\uff08user\uff09 \u90e8\u95e8\u8868\uff08dept\uff09 \u7528\u6237\u90e8\u95e8\u5173\u8054\u8868\uff08user_dept\uff09 \u4e0b\u8ff0\u8bed\u53e5\u4f1a\u4ea7\u751f\u91cd\u590d\u8bb0\u5f55\uff1a select ud.dept_id, u.* from sys_user_dept ud left join sys_user u on ud.user_id = u.id \u767b\u5f55\u540e\u590d\u5236 \u89e3\u7b54\uff1a \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 SELECT ud.dept_id, u.* FROM sys_user_dept ud LEFT JOIN sys_user u ON ud.user_id = u.id WHERE ud.dept_id = &lt;\u9700\u8981\u67e5\u8be2\u7684\u90e8\u95e8 ID&gt; 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