{"id":6702,"date":"2024-11-14T13:35:21","date_gmt":"2024-11-14T05:35:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6702\/"},"modified":"2024-11-14T13:35:21","modified_gmt":"2024-11-14T05:35:21","slug":"mysql-%e4%b8%ad%e4%bd%bf%e7%94%a8-like-%e8%af%ad%e5%8f%a5%e6%97%b6%e5%a6%82%e4%bd%95%e5%ae%89%e5%85%a8%e8%bf%87%e6%bb%a4%e5%90%8e%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6702\/","title":{"rendered":"MySQL \u4e2d\u4f7f\u7528 LIKE \u8bed\u53e5\u65f6\u5982\u4f55\u5b89\u5168\u8fc7\u6ee4\u540e\u53c2\u6570\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172974768854255.jpg\" class=\"aligncenter\" title=\"MySQL \u4e2d\u4f7f\u7528 LIKE \u8bed\u53e5\u65f6\u5982\u4f55\u5b89\u5168\u8fc7\u6ee4\u540e\u53c2\u6570\uff1f\u63d2\u56fe\" alt=\"MySQL \u4e2d\u4f7f\u7528 LIKE \u8bed\u53e5\u65f6\u5982\u4f55\u5b89\u5168\u8fc7\u6ee4\u540e\u53c2\u6570\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>like \u8bed\u53e5\u540e\u53c2\u6570\u4e0d\u591f\u5b89\u5168\u5982\u4f55\u5b89\u5168\u8fc7\u6ee4\uff1f<\/strong><\/p>\n<p>\u5728  \u67e5\u8be2\u4e2d\u4f7f\u7528 like \u8bed\u53e5\u65f6\uff0c\u5982\u679c\u540e\u8ddf\u7684\u53c2\u6570\u76f4\u63a5\u62fc\u63a5\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4 sql \u6ce8\u5165\u653b\u51fb\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5bf9\u7279\u6b8a\u5b57\u7b26\uff08\u5982 % \u548c _\uff09\u8fdb\u884c\u8fc7\u6ee4\u5904\u7406\u4ee5\u786e\u4fdd\u67e5\u8be2\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p><strong>\u8fc7\u6ee4\u65b9\u6cd5<\/strong><\/p>\n<p>\u8981\u8fc7\u6ee4 % \u548c _ \u5b57\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528 concat() \u51fd\u6570\u3002concat() \u51fd\u6570\u53ef\u4ee5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u4ece\u800c\u53ef\u4ee5\u5c06\u7279\u6b8a\u5b57\u7b26\u653e\u7f6e\u5728\u53c2\u6570\u4e2d\u5b89\u5168\u7684\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u8981\u67e5\u8be2\u9879\u76ee\u540d\u4e3a &#8220;\u9879\u76ee_\u597d&#8221; \u7684\u6240\u6709\u9879\u76ee\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7ecf\u8fc7\u8fc7\u6ee4\u7684 like \u8bed\u53e5\uff1a<\/p>\n<pre>WHERE project LIKE CONCAT('%', '%_\u597d\u7684', '%')<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 concat() \u51fd\u6570\u5c06 % \u5b57\u7b26\u548c _ \u5b57\u7b26\u6dfb\u52a0\u5230\u53c2\u6570\u4e2d\uff0c\u4ece\u800c\u907f\u514d\u4e86 sql \u6ce8\u5165\u653b\u51fb\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fMySQL \u4e2d\u4f7f\u7528 LIKE \u8bed\u53e5\u65f6\u5982\u4f55\u5b89\u5168\u8fc7\u6ee4\u540e\u53c2\u6570\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>like \u8bed\u53e5\u540e\u53c2\u6570\u4e0d\u591f\u5b89\u5168\u5982\u4f55\u5b89\u5168\u8fc7\u6ee4\uff1f \u5728 \u67e5\u8be2\u4e2d\u4f7f\u7528 like \u8bed\u53e5\u65f6\uff0c\u5982\u679c\u540e\u8ddf\u7684\u53c2\u6570\u76f4\u63a5\u62fc\u63a5\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4 sql \u6ce8\u5165\u653b\u51fb\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5bf9\u7279\u6b8a\u5b57\u7b26\uff08\u5982 % \u548c _\uff09\u8fdb\u884c\u8fc7\u6ee4\u5904\u7406\u4ee5\u786e\u4fdd\u67e5\u8be2\u7684\u5b89\u5168\u6027\u3002 \u8fc7\u6ee4\u65b9\u6cd5 \u8981\u8fc7\u6ee4 % \u548c _ \u5b57\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528 concat() \u51fd\u6570\u3002concat() \u51fd\u6570\u53ef\u4ee5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u4ece\u800c\u53ef\u4ee5\u5c06\u7279\u6b8a\u5b57\u7b26\u653e\u7f6e\u5728\u53c2\u6570\u4e2d\u5b89\u5168\u7684\u4f4d\u7f6e\u3002 \u793a\u4f8b\u4ee3\u7801 \u5047\u8bbe\u6211\u4eec\u8981\u67e5\u8be2\u9879\u76ee\u540d\u4e3a &#8220;\u9879\u76ee_\u597d&#8221; \u7684\u6240\u6709\u9879\u76ee\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7ecf\u8fc7\u8fc7\u6ee4\u7684 like \u8bed\u53e5\uff1a WHERE project LIKE CONCAT(&#8216;%&#8217;, &#8216;%_\u597d\u7684&#8217;, &#8216;%&#8217;) \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 concat() \u51fd\u6570\u5c06 % \u5b57\u7b26\u548c _ \u5b57\u7b26\u6dfb\u52a0\u5230\u53c2\u6570\u4e2d\uff0c\u4ece\u800c\u907f\u514d\u4e86 sql \u6ce8\u5165\u653b\u51fb\u7684\u53ef\u80fd\u6027\u3002 \u4ee5\u4e0a\u5c31\u662fMySQL \u4e2d\u4f7f\u7528 LIKE \u8bed\u53e5\u65f6\u5982\u4f55\u5b89\u5168\u8fc7\u6ee4\u540e\u53c2\u6570\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},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6702","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6702","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=6702"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6702\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}