{"id":49688,"date":"2024-10-08T06:40:13","date_gmt":"2024-10-07T22:40:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/49688\/"},"modified":"2024-10-08T06:40:13","modified_gmt":"2024-10-07T22:40:13","slug":"nginx-%e6%8a%80%e5%b7%a7%ef%bc%9a%e8%a8%ad%e7%bd%ae-if-%e6%8c%87%e4%bb%a4%e9%80%b2%e8%a1%8c%e6%a2%9d%e4%bb%b6%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/49688\/","title":{"rendered":"Nginx \u6280\u5de7\uff1a\u8a2d\u7f6e if \u6307\u4ee4\u9032\u884c\u689d\u4ef6\u914d\u7f6e"},"content":{"rendered":"<h1 id=\"nginx-%e6%8a%80%e5%b7%a7%ef%bc%9a%e8%a8%ad%e7%bd%ae-if-%e6%8c%87%e4%bb%a4%e9%80%b2%e8%a1%8c%e6%a2%9d%e4%bb%b6%e9%85%8d%e7%bd%ae-fyoxYOYjJi\">Nginx \u6280\u5de7\uff1a\u8a2d\u7f6e if \u6307\u4ee4\u9032\u884c\u689d\u4ef6\u914d\u7f6e<\/h1>\n<p>Nginx \u662f\u4e00\u6b3e\u9ad8\u6548\u80fd\u7684\u7db2\u9801\u4f3a\u670d\u5668\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u5176\u9748\u6d3b\u7684\u914d\u7f6e\u9078\u9805\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u6839\u64da\u9700\u6c42\u9032\u884c\u591a\u6a23\u5316\u7684\u8a2d\u7f6e\u3002\u5176\u4e2d\uff0c<code>if<\/code> \u6307\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u9032\u884c\u914d\u7f6e\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728 Nginx \u4e2d\u4f7f\u7528 <code>if<\/code> \u6307\u4ee4\u9032\u884c\u689d\u4ef6\u914d\u7f6e\uff0c\u4e26\u63d0\u4f9b\u5be6\u7528\u7684\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"%e7%90%86%e8%a7%a3-nginx-%e7%9a%84-if-%e6%8c%87%e4%bb%a4-fyoxYOYjJi\">\u7406\u89e3 Nginx \u7684 if \u6307\u4ee4<\/h2>\n<p>Nginx \u7684 <code>if<\/code> \u6307\u4ee4\u5141\u8a31\u7528\u6236\u6839\u64da\u8acb\u6c42\u7684\u7279\u5b9a\u689d\u4ef6\u4f86\u57f7\u884c\u4e0d\u540c\u7684\u914d\u7f6e\u3002\u9019\u4e9b\u689d\u4ef6\u53ef\u4ee5\u662f\u8acb\u6c42\u7684 URI\u3001HTTP \u6a19\u982d\u3001\u67e5\u8a62\u53c3\u6578\u7b49\u3002\u96d6\u7136 <code>if<\/code> \u6307\u4ee4\u5728 Nginx \u4e2d\u7684\u4f7f\u7528\u76f8\u5c0d\u7c21\u55ae\uff0c\u4f46\u4e0d\u7576\u4f7f\u7528\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u6216\u914d\u7f6e\u932f\u8aa4\uff0c\u56e0\u6b64\u9700\u8981\u8b39\u614e\u5c0d\u5f85\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-fyoxYOYjJi\">\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p><code>if<\/code> \u6307\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>if (condition) {\n    # \u9700\u8981\u57f7\u884c\u7684\u914d\u7f6e\n}<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>condition<\/code> \u662f\u4e00\u500b\u5e03\u6797\u8868\u9054\u5f0f\uff0c\u7576\u5176\u70ba\u771f\u6642\uff0c\u5c07\u57f7\u884c\u5927\u62ec\u865f\u5167\u7684\u914d\u7f6e\u3002<\/p>\n<h2 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e6%a0%b9%e6%93%9a%e8%ab%8b%e6%b1%82%e7%9a%84-uri-%e9%80%b2%e8%a1%8c%e9%87%8d%e5%ae%9a%e5%90%91-fyoxYOYjJi\">\u7bc4\u4f8b\uff1a\u6839\u64da\u8acb\u6c42\u7684 URI \u9032\u884c\u91cd\u5b9a\u5411<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u6839\u64da\u8acb\u6c42\u7684 URI \u9032\u884c\u91cd\u5b9a\u5411\uff1a<\/p>\n<pre><code>server {\n    listen 80;\n    server_name example.com;\n\n    location \/ {\n        if ($request_uri = \"\/old-page\") {\n            return 301 \/new-page;\n        }\n    }\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u7576\u7528\u6236\u8acb\u6c42 <code>\/old-page<\/code> \u6642\uff0cNginx \u5c07\u6703\u8fd4\u56de 301 \u91cd\u5b9a\u5411\u5230 <code>\/new-page<\/code>\u3002<\/p>\n<h2 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e6%a0%b9%e6%93%9a-http-%e6%a8%99%e9%a0%ad%e9%80%b2%e8%a1%8c%e6%a2%9d%e4%bb%b6%e9%85%8d%e7%bd%ae-fyoxYOYjJi\">\u7bc4\u4f8b\uff1a\u6839\u64da HTTP \u6a19\u982d\u9032\u884c\u689d\u4ef6\u914d\u7f6e<\/h2>\n<p>\u9664\u4e86\u6839\u64da URI \u9032\u884c\u914d\u7f6e\u5916\uff0c<code>if<\/code> \u6307\u4ee4\u9084\u53ef\u4ee5\u6839\u64da HTTP \u6a19\u982d\u9032\u884c\u689d\u4ef6\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>server {\n    listen 80;\n    server_name example.com;\n\n    location \/ {\n        if ($http_user_agent ~* \"Mobile\") {\n            rewrite ^\/ http:\/\/m.example.com$request_uri permanent;\n        }\n    }\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u7576\u7528\u6236\u7684 User-Agent \u5305\u542b &#8220;Mobile&#8221; \u5b57\u4e32\u6642\uff0cNginx \u5c07\u6703\u91cd\u5beb\u8acb\u6c42\uff0c\u5c07\u7528\u6236\u91cd\u5b9a\u5411\u5230\u79fb\u52d5\u7248\u7db2\u7ad9\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-fyoxYOYjJi\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136 <code>if<\/code> \u6307\u4ee4\u975e\u5e38\u6709\u7528\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u5728 <code>if<\/code> \u6307\u4ee4\u4e2d\u4f7f\u7528\u8907\u96dc\u7684\u908f\u8f2f\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u53ef\u9810\u671f\u7684\u884c\u70ba\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 <code>try_files<\/code> \u6216 <code>map<\/code> \u6307\u4ee4\u53ef\u80fd\u6703\u66f4\u6709\u6548\u7387\u3002<\/li>\n<li>\u6e2c\u8a66\u914d\u7f6e\u8b8a\u66f4\uff0c\u78ba\u4fdd\u5176\u5728\u751f\u7522\u74b0\u5883\u4e2d\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-fyoxYOYjJi\">\u7d50\u8ad6<\/h2>\n<p>Nginx \u7684 <code>if<\/code> \u6307\u4ee4\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u9032\u884c\u914d\u7f6e\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528 <code>if<\/code> \u6307\u4ee4\uff0c\u60a8\u53ef\u4ee5\u5be6\u73fe\u66f4\u7cbe\u7d30\u7684\u6d41\u91cf\u63a7\u5236\u548c\u91cd\u5b9a\u5411\u7b56\u7565\u3002\u7136\u800c\uff0c\u4f7f\u7528\u6642\u9700\u8b39\u614e\uff0c\u4ee5\u907f\u514d\u6f5b\u5728\u7684\u6027\u80fd\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u7db2\u7ad9\uff0c\u9078\u64c7\u5408\u9069\u7684\u4f3a\u670d\u5668\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Nginx \u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 if \u6307\u4ee4\u9032\u884c\u689d\u4ef6\u914d\u7f6e\uff0c\u63d0\u5347\u4f3a\u670d\u5668\u6027\u80fd\u8207\u9748\u6d3b\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-49688","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49688","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=49688"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49688\/revisions"}],"predecessor-version":[{"id":49689,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49688\/revisions\/49689"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=49688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=49688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=49688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}