{"id":163727,"date":"2024-11-05T01:55:26","date_gmt":"2024-11-04T17:55:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163727\/"},"modified":"2024-11-05T01:55:27","modified_gmt":"2024-11-04T17:55:27","slug":"%e8%a7%a3%e6%b1%ba%e8%be%a6%e6%b3%95%ef%bc%9a%e5%8e%bb%e6%8e%89%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e5%80%bc%e7%a9%ba%e6%a0%bc-%e5%a6%82%e4%bd%95%e5%8e%bb%e6%8e%89%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163727\/","title":{"rendered":"\u89e3\u6c7a\u8fa6\u6cd5\uff1a\u53bb\u6389\u6578\u64da\u5eab\u5217\u503c\u7a7a\u683c (\u5982\u4f55\u53bb\u6389\u6578\u64da\u5eab\u5217\u503c\u7a7a\u683c)"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%ba%e8%be%a6%e6%b3%95%ef%bc%9a%e5%8e%bb%e6%8e%89%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e5%80%bc%e7%a9%ba%e6%a0%bc-%e5%a6%82%e4%bd%95%e5%8e%bb%e6%8e%89%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97-IbjbxDJjgA\">\u89e3\u6c7a\u8fa6\u6cd5\uff1a\u53bb\u6389\u6578\u64da\u5eab\u5217\u503c\u7a7a\u683c (\u5982\u4f55\u53bb\u6389\u6578\u64da\u5eab\u5217\u503c\u7a7a\u683c)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u6574\u6f54\u6027\u548c\u4e00\u81f4\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u6642\uff0c\u7d93\u5e38\u6703\u9047\u5230\u4e0d\u5fc5\u8981\u7684\u7a7a\u683c\u554f\u984c\u3002\u9019\u4e9b\u7a7a\u683c\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u7684\u7d50\u679c\uff0c\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u751a\u81f3\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u53bb\u6389\u6578\u64da\u5eab\u5217\u503c\u4e2d\u7684\u7a7a\u683c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%8e%bb%e6%8e%89%e7%a9%ba%e6%a0%bc%ef%bc%9f-IbjbxDJjgA\">\u70ba\u4ec0\u9ebc\u9700\u8981\u53bb\u6389\u7a7a\u683c\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u4e2d\u7684\u7a7a\u683c\u53ef\u80fd\u6703\u5c0e\u81f4\u591a\u7a2e\u554f\u984c\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\uff1a<\/strong>\u7576\u67e5\u8a62\u689d\u4ef6\u4e2d\u5305\u542b\u7a7a\u683c\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u7d50\u679c\u4e0d\u6e96\u78ba\uff0c\u5f9e\u800c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u6578\u64da\u4e0d\u4e00\u81f4\uff1a<\/strong>\u7528\u6236\u5728\u8f38\u5165\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u4e0d\u5c0f\u5fc3\u6dfb\u52a0\u591a\u9918\u7684\u7a7a\u683c\uff0c\u9019\u6703\u5c0e\u81f4\u76f8\u540c\u7684\u6578\u64da\u5728\u6578\u64da\u5eab\u4e2d\u4ee5\u4e0d\u540c\u7684\u5f62\u5f0f\u5b58\u5728\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u7406\u56f0\u96e3\uff1a<\/strong>\u5728\u9032\u884c\u6578\u64da\u5206\u6790\u6216\u5831\u544a\u6642\uff0c\u7a7a\u683c\u6703\u4f7f\u5f97\u6578\u64da\u6e05\u7406\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%8e%bb%e6%8e%89%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e5%80%bc%e4%b8%ad%e7%9a%84%e7%a9%ba%e6%a0%bc-IbjbxDJjgA\">\u5982\u4f55\u53bb\u6389\u6578\u64da\u5eab\u5217\u503c\u4e2d\u7684\u7a7a\u683c<\/h2>\n<p>\u53bb\u6389\u6578\u64da\u5eab\u5217\u503c\u4e2d\u7684\u7a7a\u683c\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\u5be6\u73fe\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-sql-%e7%9a%84-trim-%e5%87%bd%e6%95%b8-IbjbxDJjgA\">1. \u4f7f\u7528 SQL \u7684 TRIM \u51fd\u6578<\/h3>\n<p>\u5728 SQL \u4e2d\uff0c<code>TRIM<\/code> \u51fd\u6578\u53ef\u4ee5\u7528\u4f86\u53bb\u6389\u5b57\u7b26\u4e32\u524d\u5f8c\u7684\u7a7a\u683c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE your_table\nSET your_column = TRIM(your_column)\nWHERE your_column IS NOT NULL;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u6703\u66f4\u65b0\u6307\u5b9a\u8868\u4e2d\u7684\u5217\uff0c\u53bb\u6389\u6240\u6709\u884c\u7684\u524d\u5f8c\u7a7a\u683c\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-replace-%e5%87%bd%e6%95%b8-IbjbxDJjgA\">2. \u4f7f\u7528 REPLACE \u51fd\u6578<\/h3>\n<p>\u5982\u679c\u9700\u8981\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u9593\u7684\u7a7a\u683c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>REPLACE<\/code> \u51fd\u6578\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE your_table\nSET your_column = REPLACE(your_column, ' ', '')\nWHERE your_column IS NOT NULL;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u6703\u53bb\u6389\u6307\u5b9a\u5217\u4e2d\u6240\u6709\u7684\u7a7a\u683c\uff0c\u5305\u62ec\u524d\u5f8c\u548c\u4e2d\u9593\u7684\u7a7a\u683c\u3002<\/p>\n<h3 id=\"3-%e5%9c%a8%e6%87%89%e7%94%a8%e5%b1%a4%e9%80%b2%e8%a1%8c%e8%99%95%e7%90%86-IbjbxDJjgA\">3. \u5728\u61c9\u7528\u5c64\u9032\u884c\u8655\u7406<\/h3>\n<p>\u9664\u4e86\u5728\u6578\u64da\u5eab\u5c64\u9762\u9032\u884c\u8655\u7406\uff0c\u9084\u53ef\u4ee5\u5728\u61c9\u7528\u5c64\u9032\u884c\u6578\u64da\u6e05\u7406\u3002\u4f8b\u5982\uff0c\u5728 PHP \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>trim()<\/code> \u548c <code>str_replace()<\/code> \u51fd\u6578\u4f86\u53bb\u6389\u7a7a\u683c\uff1a<\/p>\n<pre><code>$cleaned_value = trim(str_replace(' ', '', $original_value));<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5728\u5c07\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6574\u6f54\u6027\u3002<\/p>\n<h2 id=\"%e5%ae%9a%e6%9c%9f%e6%aa%a2%e6%9f%a5%e5%92%8c%e7%b6%ad%e8%ad%b7-IbjbxDJjgA\">\u5b9a\u671f\u6aa2\u67e5\u548c\u7dad\u8b77<\/h2>\n<p>\u70ba\u4e86\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u6027\uff0c\u5efa\u8b70\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u57f7\u884c\u6e05\u7406\u64cd\u4f5c\u3002\u53ef\u4ee5\u8003\u616e\u8a2d\u7f6e\u5b9a\u6642\u4efb\u52d9\uff0c\u81ea\u52d5\u57f7\u884c\u53bb\u6389\u7a7a\u683c\u7684\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-IbjbxDJjgA\">\u7d50\u8ad6<\/h2>\n<p>\u53bb\u6389\u6578\u64da\u5eab\u5217\u503c\u4e2d\u7684\u7a7a\u683c\u662f\u4e00\u500b\u91cd\u8981\u7684\u6578\u64da\u7ba1\u7406\u4efb\u52d9\uff0c\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u548c\u6578\u64da\u4e00\u81f4\u6027\u3002\u901a\u904e\u4f7f\u7528 SQL \u7684 <code>TRIM<\/code> \u548c <code>REPLACE<\/code> \u51fd\u6578\uff0c\u6216\u8005\u5728\u61c9\u7528\u5c64\u9032\u884c\u6578\u64da\u6e05\u7406\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5b9a\u671f\u7684\u6578\u64da\u7dad\u8b77\u4e5f\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u5065\u5eb7\u7684\u91cd\u8981\u63aa\u65bd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u5176\u4ed6\u6280\u8853\u652f\u6301\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684\u6578\u64da\u548c\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u53bb\u6389\u6578\u64da\u5eab\u5217\u4e2d\u7684\u7a7a\u683c\uff0c\u63d0\u5347\u6578\u64da\u8cea\u91cf\u548c\u67e5\u8a62\u6548\u7387\uff0c\u7c21\u5316\u6578\u64da\u8655\u7406\u904e\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-163727","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163727","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=163727"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163727\/revisions"}],"predecessor-version":[{"id":163728,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163727\/revisions\/163728"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163727"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163727"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163727"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}