{"id":199759,"date":"2025-05-06T10:10:31","date_gmt":"2025-05-06T02:10:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199759\/"},"modified":"2025-05-06T10:10:31","modified_gmt":"2025-05-06T02:10:31","slug":"%e5%ad%a6%e4%bc%9a%e5%88%a9%e7%94%a8mysql%e4%b8%ad%e7%9a%84like%e6%9d%a1%e4%bb%b6%e5%ae%9e%e7%8e%b0%e7%b2%be%e5%87%86%e6%a3%80%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199759\/","title":{"rendered":"\u5b66\u4f1a\u5229\u7528MySQL\u4e2d\u7684&#8221;LIKE&#8221;\u6761\u4ef6\u5b9e\u73b0\u7cbe\u51c6\u68c0\u7d22"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5b66\u4f1a\u5229\u7528MySQL\u4e2d\u7684&#8221;LIKE&#8221;\u6761\u4ef6\u5b9e\u73b0\u7cbe\u51c6\u68c0\u7d22<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5b66\u4f1a\u5229\u7528MySQL\u4e2d\u7684&#8221;LIKE&#8221;\u6761\u4ef6\u5b9e\u73b0\u7cbe\u51c6\u68c0\u7d22\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n<p>MySQL\u67e5\u8be2\u57fa\u7840\uff1a\u5b66\u4f1a\u4f7f\u7528\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u5b9e\u73b0\u7cbe\u51c6\u68c0\u7d22<\/p>\n<p>\u5728\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u9700\u8981\u6839\u636e\u67d0\u4e2a\u5b57\u6bb5\u7684\u5f00\u5934\u5b57\u7b26\u8fdb\u884c\u7cbe\u51c6\u68c0\u7d22\u7684\u60c5\u51b5\u3002MySQL\u63d0\u4f9b\u4e86\u8bb8\u591a\u6761\u4ef6\u64cd\u4f5c\u7b26\u6765\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u8fd9\u6837\u7684\u67e5\u8be2\u9700\u6c42\uff0c\u5176\u4e2d\u4ee5\u201c\u4ee5\u201d\u5f00\u5934\u7684\u6761\u4ef6\u64cd\u4f5c\u7b26\u5c31\u662f\u5176\u4e2d\u4e4b\u4e00\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u6765\u5b9e\u73b0\u7cbe\u51c6\u68c0\u7d22\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<h3>\u4e00\u3001\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u5b9e\u73b0\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u68c0\u7d22<\/h3>\n<p>\u5728MySQL\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u6765\u8fdb\u884c\u6a21\u7cca\u5339\u914d\u67e5\u8be2\u3002\u5f53\u6211\u4eec\u9700\u8981\u6839\u636e\u67d0\u4e2a\u5b57\u6bb5\u7684\u5f00\u5934\u5b57\u7b26\u8fdb\u884c\u7cbe\u51c6\u68c0\u7d22\u65f6\uff0c\u53ef\u4ee5\u7ed3\u5408\u901a\u914d\u7b26\u201c%\u201d\u548cLIKE\u64cd\u4f5c\u7b26\u6765\u5b9e\u73b0\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>SELECT * FROM table_name WHERE column_name LIKE 'prefix%'<\/pre>\n<p>\u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5c06\u901a\u914d\u7b26\u201c%\u201d\u653e\u5728\u5b57\u6bb5\u503c\u7684\u672b\u5c3e\uff0c\u6765\u5b9e\u73b0\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u7684\u7cbe\u51c6\u68c0\u7d22\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a<code>students<\/code>\u7684\u8868\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u540d\u4e3a<code>name<\/code>\u7684\u5b57\u6bb5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8bed\u53e5\u6765\u67e5\u8be2\u6240\u6709\u540d\u5b57\u4ee5\u201c\u5f20\u201d\u5f00\u5934\u7684\u5b66\u751f\uff1a<\/p>\n<pre>SELECT * FROM students WHERE name LIKE '\u5f20%'<\/pre>\n<p>\u8fd9\u6837\u5c31\u80fd\u591f\u8fd4\u56de\u6240\u6709\u540d\u5b57\u4ee5\u201c\u5f20\u201d\u5f00\u5934\u7684\u5b66\u751f\u8bb0\u5f55\u3002<\/p>\n<h3>\u4e8c\u3001\u5b9e\u9645\u6848\u4f8b\u6f14\u793a<\/h3>\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u4f7f\u7528\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u5b9e\u73b0\u7cbe\u51c6\u68c0\u7d22\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u5b9e\u9645\u7684\u6848\u4f8b\u6765\u6f14\u793a\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a<code>products<\/code>\u7684\u8868\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u540d\u4e3a<code>product_name<\/code>\u7684\u5b57\u6bb5\uff0c\u6211\u4eec\u5e0c\u671b\u67e5\u8be2\u6240\u6709\u4ea7\u54c1\u540d\u4ee5\u201cA\u201d\u5f00\u5934\u7684\u8bb0\u5f55\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a<code>products<\/code>\u8868\u5e76\u63d2\u5165\u4e00\u4e9b\u793a\u4f8b\u6570\u636e\uff1a<\/p>\n<pre>CREATE TABLE products (\n    id INT,\n    product_name VARCHAR(50)\n);\n\nINSERT INTO products VALUES\n(1, 'Apple iPhone'),\n(2, 'Asus Laptop'),\n(3, 'Acer Monitor'),\n(4, 'Samsung TV'),\n(5, 'Acer Keyboard');<\/pre>\n<p>\u63a5\u7740\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8bed\u53e5\u6765\u67e5\u8be2\u6240\u6709\u4ea7\u54c1\u540d\u4ee5\u201cA\u201d\u5f00\u5934\u7684\u8bb0\u5f55\uff1a<\/p>\n<pre>SELECT * FROM products WHERE product_name LIKE 'A%'<\/pre>\n<p>\u8fd0\u884c\u4ee5\u4e0aSQL\u8bed\u53e5\u540e\uff0c\u5c06\u4f1a\u8fd4\u56de\u4ea7\u54c1\u540d\u4ee5\u201cA\u201d\u5f00\u5934\u7684\u6240\u6709\u8bb0\u5f55\uff0c\u5305\u62ec&#8217;Apple iPhone&#8217;\u548c&#8217;Asus Laptop&#8217;\u3002<\/p>\n<h3>\u4e09\u3001\u603b\u7ed3<\/h3>\n<p>\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\u548c\u5b9e\u9645\u6848\u4f8b\u6f14\u793a\uff0c\u6211\u4eec\u5b66\u4f1a\u4e86\u5982\u4f55\u4f7f\u7528\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u5b9e\u73b0\u7cbe\u51c6\u68c0\u7d22\u3002\u901a\u8fc7\u7ed3\u5408LIKE\u64cd\u4f5c\u7b26\u548c\u901a\u914d\u7b26\u201c%\u201d\uff0c\u6211\u4eec\u80fd\u591f\u8f7b\u677e\u5730\u67e5\u8be2\u7b26\u5408\u6307\u5b9a\u524d\u7f00\u6761\u4ef6\u7684\u8bb0\u5f55\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd9\u79cd\u7cbe\u51c6\u68c0\u7d22\u7684\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u5b9a\u4f4d\u5230\u9700\u8981\u7684\u6570\u636e\uff0c\u63d0\u9ad8\u6570\u636e\u67e5\u8be2\u6548\u7387\u3002<\/p>\n<p>\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u7406\u89e3\u548c\u638c\u63e1MySQL\u4e2d\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u7684\u4f7f\u7528\u6709\u6240\u5e2e\u52a9\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u591a\u591a\u7ec3\u4e60\u548c\u63a2\u7d22\uff0c\u63d0\u5347\u6570\u636e\u5e93\u67e5\u8be2\u7684\u6280\u80fd\u548c\u6548\u7387\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300a\u5b66\u4f1a\u5229\u7528MySQL\u4e2d\u7684&#8221;LIKE&#8221;\u6761\u4ef6\u5b9e\u73b0\u7cbe\u51c6\u68c0\u7d22\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8emysql,\u67e5\u8be2\u6761\u4ef6,\u7cbe\u51c6\u68c0\u7d22\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>\u5b66\u4f1a\u5229\u7528MySQL\u4e2d\u7684&#038;#822&#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-199759","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199759","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=199759"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199759\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}