{"id":200980,"date":"2025-05-06T09:52:47","date_gmt":"2025-05-06T01:52:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200980\/"},"modified":"2025-05-06T09:52:47","modified_gmt":"2025-05-06T01:52:47","slug":"%e5%a6%82%e4%bd%95%e6%9f%a5%e8%af%a2%e7%94%a8%e6%88%b7%e5%8f%82%e4%b8%8e%e7%9a%84%e9%a1%b9%e7%9b%ae%e5%88%97%e8%a1%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200980\/","title":{"rendered":"\u5982\u4f55\u67e5\u8be2\u7528\u6237\u53c2\u4e0e\u7684\u9879\u76ee\u5217\u8868\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u67e5\u8be2\u7528\u6237\u53c2\u4e0e\u7684\u9879\u76ee\u5217\u8868\uff1f<\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\uff0c\u6216\u8005\u662f\u5bf9\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241124\/1732415816674291480359e.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u95ee\u9898\uff1a\u67e5\u8be2\u7528\u6237\u53c2\u4e0e\u9879\u76ee\u5217\u8868<\/strong><\/p>\n<p>\u5728\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0c\u7528\u6237\u767b\u5f55\u540e\u9700\u8981\u67e5\u8be2\u5176\u53c2\u4e0e\u7684\u9879\u76ee\u5217\u8868\u3002\u5df2\u77e5\u9879\u76ee\u8868\u4e2d user_id \u5b57\u6bb5\u5b58\u50a8\u7740\u7528\u6237\u8868\u4e2d\u7684\u4e3b\u952e id\uff0c\u4e14\u7528\u6237\u767b\u5f55\u65f6\u7cfb\u7edf\u4f1a\u4fdd\u5b58\u5176 id\u3002<\/p>\n<p>\u8d77\u521d\u5c1d\u8bd5\u76f4\u63a5\u4f7f\u7528 in \u67e5\u8be2\uff0c\u5373\uff1a<\/p>\n<pre>select * from project where $this-&gt;auth-&gt;id in user_id<\/pre>\n<p>\u4f46\u53d1\u73b0\u8fd9\u6837\u5199\u6cd5\u4e0d\u7b26\u5408 sql \u8bed\u6cd5\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u5982\u679c\u4e0d\u66f4\u6539\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\u89e3\u51b3\uff1a<\/p>\n<p><strong>1. find_in_set \u51fd\u6570\uff1a<\/strong><\/p>\n<p>find_in_set \u53ef\u5224\u65ad\u6307\u5b9a\u5b57\u7b26\u4e32\u662f\u5426\u5728\u7531\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u5217\u8868\u4e2d\u3002\u4f8b\u5982\uff0c\u8981\u67e5\u8be2\u7528\u6237 id \u4e3a 21 \u7684\u53c2\u4e0e\u9879\u76ee\uff1a<\/p>\n<pre>find_in_set(21, user_id)<\/pre>\n<p><strong>2. like \u8fd0\u7b97\u7b26\uff1a<\/strong><\/p>\n<p>like \u53ef\u8fdb\u884c\u6a21\u7cca\u5339\u914d\u3002\u8981\u67e5\u8be2\u7528\u6237 id \u4e3a 21 \u7684\u53c2\u4e0e\u9879\u76ee\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u6761\u4ef6\u7ec4\u5408\uff1a<\/p>\n<pre>user_id like '21,%' or user_id like '%,21' or user_id like '%,21,%' or user_id=21<\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u67e5\u8be2\u7528\u6237\u53c2\u4e0e\u7684\u9879\u76ee\u5217\u8868\uff1f \u73cd&#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-200980","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200980","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=200980"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200980\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}