{"id":5179,"date":"2024-11-14T10:38:24","date_gmt":"2024-11-14T02:38:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5179\/"},"modified":"2024-11-14T10:38:24","modified_gmt":"2024-11-14T02:38:24","slug":"sql%e4%b8%adreplace%e5%87%bd%e6%95%b0%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5179\/","title":{"rendered":"sql\u4e2dreplace\u51fd\u6570\u7528\u6cd5"},"content":{"rendered":"<blockquote><p>\n  sql \u4e2d\u7684 replace \u51fd\u6570\u7528\u4e8e\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6307\u5b9a\u6587\u672c\u3002\u8be5\u51fd\u6570\u6309\u4ee5\u4e0b\u6b65\u9aa4\u5de5\u4f5c\uff1a\u67e5\u627e\u76ee\u6807\u5b57\u7b26\u4e32\u4e2d\u8981\u66ff\u6362\u7684\u5b50\u5b57\u7b26\u4e32\u3002\u5c06\u627e\u5230\u7684\u5b50\u5b57\u7b26\u4e32\u66ff\u6362\u4e3a\u65b0\u7684\u6587\u672c\u3002\u8f93\u51fa\u66ff\u6362\u540e\u7684\u5b57\u7b26\u4e32\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/24\/2024052418392077224.jpg\" class=\"aligncenter\" title=\"sql\u4e2dreplace\u51fd\u6570\u7528\u6cd5\u63d2\u56fe\" alt=\"sql\u4e2dreplace\u51fd\u6570\u7528\u6cd5\u63d2\u56fe\" \/><\/p>\n<p><strong>SQL \u4e2d\u7684 REPLACE \u51fd\u6570\u7528\u6cd5<\/strong><\/p>\n<p>REPLACE \u51fd\u6570\u7528\u4e8e\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6307\u5b9a\u6587\u672c\u3002\u5b83\u6709\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>REPLACE(string, old_text, new_text)<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<h3>\u53c2\u6570\u8bf4\u660e\uff1a<\/h3>\n<ul>\n<li> <strong>string\uff1a<\/strong>\u8981\u66ff\u6362\u6587\u672c\u7684\u76ee\u6807\u5b57\u7b26\u4e32\u3002<\/li>\n<li> <strong>old_text\uff1a<\/strong>\u8981\u66ff\u6362\u7684\u6587\u672c\u3002<\/li>\n<li> <strong>new_text\uff1a<\/strong>\u66ff\u6362\u6587\u672c\u7684\u6587\u672c\u3002<\/li>\n<\/ul>\n<h3>\u7528\u6cd5\uff1a<\/h3>\n<ul>\n<li>\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u67d0\u4e00\u5b50\u5b57\u7b26\u4e32\uff1a<\/li>\n<\/ul>\n<pre>SELECT REPLACE('Hello World', 'World', 'Universe');<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8f93\u51fa\uff1aHello Universe<\/p>\n<ul>\n<li>\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u5339\u914d\u5b50\u5b57\u7b26\u4e32\uff1a<\/li>\n<\/ul>\n<pre>SELECT REPLACE('Hello World Hello World', 'World', 'Universe');<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8f93\u51fa\uff1aHello Universe Hello Universe<\/p>\n<ul>\n<li>\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7279\u5b9a\u4f4d\u7f6e\u7684\u5b50\u5b57\u7b26\u4e32\uff1a<\/li>\n<\/ul>\n<pre>SELECT REPLACE('Hello World', SUBSTR('Hello World', 6, 5), 'Universe');<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8f93\u51fa\uff1aHello Universe<\/p>\n<ul>\n<li>\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u6ee1\u8db3\u6761\u4ef6\u7684\u5b50\u5b57\u7b26\u4e32\uff1a<\/li>\n<\/ul>\n<pre>SELECT REPLACE('Hello World 123', '[0-9]+', '');<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8f93\u51fa\uff1aHello World <\/p>\n<h3>\u6ce8\u610f\uff1a<\/h3>\n<ul>\n<li>REPLACE \u51fd\u6570\u5bf9\u5927\u5c0f\u5199\u654f\u611f\u3002<\/li>\n<li>old_text \u548c new_text \u53ef\u4ee5\u662f\u7a7a\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u5982\u679c old_text \u4e0d\u5b58\u5728\u4e8e string \u4e2d\uff0c\u5219\u4e0d\u4f1a\u8fdb\u884c\u66ff\u6362\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fsql\u4e2dreplace\u51fd\u6570\u7528\u6cd5\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>sql \u4e2d\u7684 replace \u51fd\u6570\u7528\u4e8e\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6307\u5b9a\u6587\u672c\u3002\u8be5\u51fd\u6570\u6309\u4ee5\u4e0b\u6b65\u9aa4\u5de5\u4f5c\uff1a\u67e5\u627e\u76ee\u6807\u5b57\u7b26\u4e32\u4e2d\u8981\u66ff\u6362\u7684\u5b50\u5b57\u7b26\u4e32\u3002\u5c06\u627e\u5230\u7684\u5b50\u5b57\u7b26\u4e32\u66ff\u6362\u4e3a\u65b0\u7684\u6587\u672c\u3002\u8f93\u51fa\u66ff\u6362\u540e\u7684\u5b57\u7b26\u4e32\u3002 SQL \u4e2d\u7684 REPLACE \u51fd\u6570\u7528\u6cd5 REPLACE \u51fd\u6570\u7528\u4e8e\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6307\u5b9a\u6587\u672c\u3002\u5b83\u6709\u4ee5\u4e0b\u8bed\u6cd5\uff1a REPLACE(string, old_text, new_text) \u767b\u5f55\u540e\u590d\u5236 \u53c2\u6570\u8bf4\u660e\uff1a string\uff1a\u8981\u66ff\u6362\u6587\u672c\u7684\u76ee\u6807\u5b57\u7b26\u4e32\u3002 old_text\uff1a\u8981\u66ff\u6362\u7684\u6587\u672c\u3002 new_text\uff1a\u66ff\u6362\u6587\u672c\u7684\u6587\u672c\u3002 \u7528\u6cd5\uff1a \u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u67d0\u4e00\u5b50\u5b57\u7b26\u4e32\uff1a SELECT REPLACE(&#8216;Hello World&#8217;, &#8216;World&#8217;, &#8216;Universe&#8217;); \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1aHello Universe \u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u5339\u914d\u5b50\u5b57\u7b26\u4e32\uff1a SELECT REPLACE(&#8216;Hello World Hello World&#8217;, &#8216;World&#8217;, &#8216;Universe&#8217;); \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1aHello Universe Hello Universe \u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7279\u5b9a\u4f4d\u7f6e\u7684\u5b50\u5b57\u7b26\u4e32\uff1a SELECT REPLACE(&#8216;Hello World&#8217;, SUBSTR(&#8216;Hello World&#8217;, 6, 5), &#8216;Universe&#8217;); \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1aHello Universe \u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u6ee1\u8db3\u6761\u4ef6\u7684\u5b50\u5b57\u7b26\u4e32\uff1a SELECT [&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-5179","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5179","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=5179"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5179\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}