{"id":217782,"date":"2023-12-23T00:10:25","date_gmt":"2023-12-22T16:10:25","guid":{"rendered":"https:\/\/www.idc.net\/help\/217782\/"},"modified":"2023-12-23T00:10:25","modified_gmt":"2023-12-22T16:10:25","slug":"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8like%e6%93%8d%e4%bd%9c%e7%ac%a6%e5%9c%a8%e5%88%97%e4%b8%ad%e6%90%9c%e7%b4%a2%e6%8c%87%e5%ae%9a%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/217782\/","title":{"rendered":"MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u5728\u5217\u4e2d\u641c\u7d22\u6307\u5b9a\u6a21\u5f0f"},"content":{"rendered":"<p><title id=\"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8like%e6%93%8d%e4%bd%9c%e7%ac%a6%e5%9c%a8%e5%88%97%e4%b8%ad%e6%90%9c%e7%b4%a2%e6%8c%87%e5%ae%9a%e6%a8%a1%e5%bc%8f-tGfQnWWVZY\">MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u5728\u5217\u4e2d\u641c\u7d22\u6307\u5b9a\u6a21\u5f0f<\/title><\/p>\n<h1 id=\"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8like%e6%93%8d%e4%bd%9c%e7%ac%a6%e5%9c%a8%e5%88%97%e4%b8%ad%e6%90%9c%e7%b4%a2%e6%8c%87%e5%ae%9a%e6%a8%a1%e5%bc%8f-tGfQnWWVZY\">MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u5728\u5217\u4e2d\u641c\u7d22\u6307\u5b9a\u6a21\u5f0f<\/h1>\n<p>\u5728MySQL\u4e2d\uff0cLIKE\u64cd\u4f5c\u7b26\u7528\u4e8e\u5728\u5217\u4e2d\u641c\u7d22\u6307\u5b9a\u7684\u6a21\u5f0f\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5728\u5b57\u7b26\u4e32\u5217\u4e2d\u67e5\u627e\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\u7684\u884c\u3002<\/p>\n<h2 id=\"%e8%af%ad%e6%b3%95-tGfQnWWVZY\">\u8bed\u6cd5<\/h2>\n<p>LIKE\u64cd\u4f5c\u7b26\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column_name(s)\nFROM table_name\nWHERE column_name LIKE pattern;<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u8bed\u6cd5\u4e2d\uff0c<code>column_name<\/code>\u662f\u8981\u641c\u7d22\u7684\u5217\u7684\u540d\u79f0\uff0c<code>table_name<\/code>\u662f\u8981\u641c\u7d22\u7684\u8868\u7684\u540d\u79f0\uff0c<code>pattern<\/code>\u662f\u8981\u5339\u914d\u7684\u6a21\u5f0f\u3002<\/p>\n<h2 id=\"%e9%80%9a%e9%85%8d%e7%ac%a6-tGfQnWWVZY\">\u901a\u914d\u7b26<\/h2>\n<p>\u5728LIKE\u64cd\u4f5c\u7b26\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u901a\u914d\u7b26\uff1a<\/p>\n<ul>\n<li><code>%<\/code>\uff1a\u8868\u793a\u96f6\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u3002<\/li>\n<li><code>_<\/code>\uff1a\u8868\u793a\u4e00\u4e2a\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<p>\u4e0b\u9762\u662f\u4e00\u4e9b\u4f7f\u7528\u901a\u914d\u7b26\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT *\nFROM customers\nWHERE customer_name LIKE 'A%';<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u67e5\u8be2\u5c06\u8fd4\u56de\u4ee5\u5b57\u6bcd\"A\"\u5f00\u5934\u7684\u6240\u6709\u5ba2\u6237\u7684\u8bb0\u5f55\u3002<\/p>\n<pre><code>SELECT *\nFROM customers\nWHERE customer_name LIKE '%son';<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u67e5\u8be2\u5c06\u8fd4\u56de\u4ee5\"son\"\u7ed3\u5c3e\u7684\u6240\u6709\u5ba2\u6237\u7684\u8bb0\u5f55\u3002<\/p>\n<pre><code>SELECT *\nFROM customers\nWHERE customer_name LIKE '_o%';<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u67e5\u8be2\u5c06\u8fd4\u56de\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e3a\"o\"\u7684\u6240\u6709\u5ba2\u6237\u7684\u8bb0\u5f55\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-tGfQnWWVZY\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT *\nFROM products\nWHERE product_name LIKE '%book%';<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u67e5\u8be2\u5c06\u8fd4\u56de\u6240\u6709\u4ea7\u54c1\u540d\u79f0\u4e2d\u5305\u542b\"book\"\u7684\u8bb0\u5f55\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9-tGfQnWWVZY\">\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>\u5728\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ul>\n<li>LIKE\u64cd\u4f5c\u7b26\u5bf9\u5927\u5c0f\u5199\u654f\u611f\u3002\u5982\u679c\u8981\u8fdb\u884c\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u7684\u641c\u7d22\uff0c\u53ef\u4ee5\u4f7f\u7528<code>COLLATE<\/code>\u5b50\u53e5\u3002<\/li>\n<li>LIKE\u64cd\u4f5c\u7b26\u53ef\u4ee5\u4e0e<code>AND<\/code>\u3001<code>OR<\/code>\u548c<code>NOT<\/code>\u64cd\u4f5c\u7b26\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u6784\u5efa\u66f4\u590d\u6742\u7684\u641c\u7d22\u6761\u4ef6\u3002<\/li>\n<\/ul>\n<p>\u603b\u4e4b\uff0c\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u53ef\u4ee5\u65b9\u4fbf\u5730\u5728MySQL\u4e2d\u641c\u7d22\u6307\u5b9a\u6a21\u5f0f\u7684\u6570\u636e\u3002\u901a\u8fc7\u7075\u6d3b\u8fd0\u7528\u901a\u914d\u7b26\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7cbe\u786e\u7684\u641c\u7d22\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-tGfQnWWVZY\">\u603b\u7ed3<\/h2>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86MySQL\u4e2d\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u5728\u5217\u4e2d\u641c\u7d22\u6307\u5b9a\u6a21\u5f0f\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u4f7f\u7528\u901a\u914d\u7b26\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u5339\u914d\u4e0d\u540c\u7684\u6a21\u5f0f\u3002\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u4e00\u4e2a\u53ef\u9760\u7684\u4e91\u8ba1\u7b97\u670d\u52a1\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u6211\u4eec\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7b49\u591a\u79cd\u4ea7\u54c1\uff0c\u5176\u4e2d\u9999\u6e2f\u670d\u52a1\u5668\u662f\u6211\u4eec\u7684\u7279\u8272\u4ea7\u54c1\u4e4b\u4e00\u3002\u60a8\u53ef\u4ee5\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u5728\u5217\u4e2d\u641c\u7d22\u6307\u5b9a\u6a21\u5f0f MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528LIKE\u64cd\u4f5c\u7b26\u5728\u5217\u4e2d\u641c\u7d22\u6307\u5b9a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197851],"tags":[],"class_list":["post-217782","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217782","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=217782"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217782\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=217782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=217782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=217782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}