{"id":7612,"date":"2024-11-14T11:38:21","date_gmt":"2024-11-14T03:38:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7612\/"},"modified":"2024-11-14T11:38:21","modified_gmt":"2024-11-14T03:38:21","slug":"%e5%a6%82%e4%bd%95%e7%bc%96%e5%86%99-in-%e6%9f%a5%e8%af%a2%e4%bb%a5%e7%a1%ae%e5%ae%9a%e7%94%a8%e6%88%b7%e6%98%af%e5%90%a6%e5%8f%82%e5%8a%a0%e4%ba%86%e7%89%b9%e5%ae%9a%e9%a1%b9%e7%9b%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/7612\/","title":{"rendered":"\u5982\u4f55\u7f16\u5199 IN \u67e5\u8be2\u4ee5\u786e\u5b9a\u7528\u6237\u662f\u5426\u53c2\u52a0\u4e86\u7279\u5b9a\u9879\u76ee\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173105605537352.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u7f16\u5199 IN \u67e5\u8be2\u4ee5\u786e\u5b9a\u7528\u6237\u662f\u5426\u53c2\u52a0\u4e86\u7279\u5b9a\u9879\u76ee\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u7f16\u5199 IN \u67e5\u8be2\u4ee5\u786e\u5b9a\u7528\u6237\u662f\u5426\u53c2\u52a0\u4e86\u7279\u5b9a\u9879\u76ee\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u7f16\u5199 in \u67e5\u8be2\u6765\u786e\u5b9a\u7528\u6237\u662f\u5426\u53c2\u52a0\u4e86\u7279\u5b9a\u9879\u76ee\uff1f<\/strong><\/p>\n<p>\u60a8\u60f3\u8981\u67e5\u627e\u7528\u6237\u53c2\u52a0\u7684\u6bd4\u8d5b\u9879\u76ee\uff0c\u5176\u4e2d\u5305\u62ec\u8df3\u7ef3\u9879\u76ee\u3002\u60a8\u63d0\u5230\u4e86\u4f7f\u7528 $this-&gt;auth-&gt;id \u6765\u83b7\u53d6\u5f53\u524d\u7528\u6237\u7684 id\uff0c\u4f46\u662f\u5c06\u5176\u4e0e user_id \u5b57\u6bb5\u4e00\u8d77\u4f7f\u7528\u65f6\u9047\u5230\u4e86\u56f0\u96be\u3002<\/p>\n<p>\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4e4b\u4e00\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 find_in_set \u51fd\u6570<\/strong><\/p>\n<p>find_in_set \u51fd\u6570\u5141\u8bb8\u60a8\u68c0\u67e5\u5b57\u7b26\u4e32\u4e2d\u4e00\u4e2a\u7279\u5b9a\u503c\u7684\u51fa\u73b0\u60c5\u51b5\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n<pre>select * from project where find_in_set(?, user_id)<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5176\u4e2d ? \u5c06\u88ab\u66ff\u6362\u4e3a\u5f53\u524d\u7528\u6237\u7684 id\uff08$this-&gt;auth-&gt;id\uff09\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u8981\u67e5\u627e\u7528\u6237 id \u4e3a 21 \u7684\u7528\u6237\u53c2\u52a0\u7684\u6bd4\u8d5b\uff0c\u5219\u67e5\u8be2\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>select * from project where find_in_set(21, user_id)<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>2. \u4f7f\u7528 like \u64cd\u4f5c\u7b26<\/strong><\/p>\n<p>like \u64cd\u4f5c\u7b26\u5141\u8bb8\u60a8\u4f7f\u7528\u901a\u914d\u7b26\u6765\u5339\u914d\u5b57\u7b26\u4e32\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n<pre>select * from project where user_id like ?<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5176\u4e2d ? \u5c06\u88ab\u66ff\u6362\u4e3a\u7c7b\u4f3c\u4e8e %21% \u7684\u6a21\u5f0f\uff0c\u5176\u4e2d % \u7b26\u53f7\u8868\u793a\u4efb\u4f55\u5b57\u7b26\u96f6\u6b21\u6216\u591a\u6b21\u51fa\u73b0\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u8981\u67e5\u627e\u7528\u6237 id \u4e3a 21 \u7684\u7528\u6237\u53c2\u52a0\u7684\u6bd4\u8d5b\uff0c\u5219\u67e5\u8be2\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>SELECT * FROM project WHERE user_id LIKE '%21%'<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u7f16\u5199 IN \u67e5\u8be2\u4ee5\u786e\u5b9a\u7528\u6237\u662f\u5426\u53c2\u52a0\u4e86\u7279\u5b9a\u9879\u76ee\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>\u5982\u4f55\u7f16\u5199 in \u67e5\u8be2\u6765\u786e\u5b9a\u7528\u6237\u662f\u5426\u53c2\u52a0\u4e86\u7279\u5b9a\u9879\u76ee\uff1f \u60a8\u60f3\u8981\u67e5\u627e\u7528\u6237\u53c2\u52a0\u7684\u6bd4\u8d5b\u9879\u76ee\uff0c\u5176\u4e2d\u5305\u62ec\u8df3\u7ef3\u9879\u76ee\u3002\u60a8\u63d0\u5230\u4e86\u4f7f\u7528 $this-&gt;auth-&gt;id \u6765\u83b7\u53d6\u5f53\u524d\u7528\u6237\u7684 id\uff0c\u4f46\u662f\u5c06\u5176\u4e0e user_id \u5b57\u6bb5\u4e00\u8d77\u4f7f\u7528\u65f6\u9047\u5230\u4e86\u56f0\u96be\u3002 \u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4e4b\u4e00\uff1a 1. \u4f7f\u7528 find_in_set \u51fd\u6570 find_in_set \u51fd\u6570\u5141\u8bb8\u60a8\u68c0\u67e5\u5b57\u7b26\u4e32\u4e2d\u4e00\u4e2a\u7279\u5b9a\u503c\u7684\u51fa\u73b0\u60c5\u51b5\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a select * from project where find_in_set(?, user_id) \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d ? \u5c06\u88ab\u66ff\u6362\u4e3a\u5f53\u524d\u7528\u6237\u7684 id\uff08$this-&gt;auth-&gt;id\uff09\u3002 \u4f8b\u5982\uff0c\u5982\u679c\u60a8\u8981\u67e5\u627e\u7528\u6237 id \u4e3a 21 \u7684\u7528\u6237\u53c2\u52a0\u7684\u6bd4\u8d5b\uff0c\u5219\u67e5\u8be2\u5c06\u5982\u4e0b\u6240\u793a\uff1a select * from project where find_in_set(21, user_id) \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 like \u64cd\u4f5c\u7b26 like \u64cd\u4f5c\u7b26\u5141\u8bb8\u60a8\u4f7f\u7528\u901a\u914d\u7b26\u6765\u5339\u914d\u5b57\u7b26\u4e32\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a select * from project where user_id like ? [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-7612","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7612","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=7612"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7612\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}