{"id":50851,"date":"2024-10-08T14:12:14","date_gmt":"2024-10-08T06:12:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/50851\/"},"modified":"2024-10-08T14:12:14","modified_gmt":"2024-10-08T06:12:14","slug":"nginx-%e6%96%b0%e6%89%8b%e6%95%99%e7%a8%8b%ef%bc%9a%e8%a8%ad%e7%bd%ae-if_modified_since-%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/50851\/","title":{"rendered":"Nginx \u65b0\u624b\u6559\u7a0b\uff1a\u8a2d\u7f6e if_modified_since \u6307\u4ee4"},"content":{"rendered":"<h1 id=\"nginx-%e6%96%b0%e6%89%8b%e6%95%99%e7%a8%8b%ef%bc%9a%e8%a8%ad%e7%bd%ae-if_modified_since-%e6%8c%87%e4%bb%a4-ZyKvRqjZES\">Nginx \u65b0\u624b\u6559\u7a0b\uff1a\u8a2d\u7f6e if_modified_since \u6307\u4ee4<\/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\u4f5c\u70ba\u4e00\u540d\u65b0\u624b\uff0c\u4e86\u89e3 Nginx \u7684\u5404\u7a2e\u6307\u4ee4\u548c\u914d\u7f6e\u9078\u9805\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u5c08\u6ce8\u65bc\u5982\u4f55\u8a2d\u7f6e <code>if_modified_since<\/code> \u6307\u4ee4\uff0c\u9019\u662f\u4e00\u500b\u7528\u65bc\u63a7\u5236\u7de9\u5b58\u884c\u70ba\u7684\u6307\u4ee4\uff0c\u80fd\u5920\u63d0\u9ad8\u7db2\u7ad9\u7684\u6548\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-if_modified_since-%e6%8c%87%e4%bb%a4%ef%bc%9f-ZyKvRqjZES\">\u4ec0\u9ebc\u662f if_modified_since \u6307\u4ee4\uff1f<\/h2>\n<p><code>if_modified_since<\/code> \u6307\u4ee4\u7528\u65bc\u544a\u8a34 Nginx \u5982\u4f55\u8655\u7406\u5ba2\u6236\u7aef\u7684\u8acb\u6c42\uff0c\u7279\u5225\u662f\u7576\u5ba2\u6236\u7aef\u767c\u9001\u4e86\u5e36\u6709 <code>If-Modified-Since<\/code> \u6a19\u982d\u7684\u8acb\u6c42\u6642\u3002\u9019\u500b\u6a19\u982d\u901a\u5e38\u7531\u700f\u89bd\u5668\u767c\u9001\uff0c\u8868\u793a\u5ba2\u6236\u7aef\u5e0c\u671b\u7372\u53d6\u81ea\u67d0\u500b\u7279\u5b9a\u6642\u9593\u4ee5\u4f86\u672a\u88ab\u4fee\u6539\u7684\u8cc7\u6e90\u3002<\/p>\n<p>\u7576 Nginx \u6536\u5230\u9019\u6a23\u7684\u8acb\u6c42\u6642\uff0c<code>if_modified_since<\/code> \u6307\u4ee4\u53ef\u4ee5\u5e6b\u52a9\u4f3a\u670d\u5668\u6c7a\u5b9a\u662f\u5426\u9700\u8981\u91cd\u65b0\u767c\u9001\u8cc7\u6e90\uff0c\u6216\u8005\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de 304 Not Modified \u97ff\u61c9\uff0c\u544a\u8a34\u5ba2\u6236\u7aef\u4f7f\u7528\u7de9\u5b58\u7684\u7248\u672c\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5e36\u5bec\u7684\u4f7f\u7528\uff0c\u4e26\u63d0\u9ad8\u7db2\u7ad9\u7684\u52a0\u8f09\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae-if_modified_since-%e6%8c%87%e4%bb%a4-ZyKvRqjZES\">\u5982\u4f55\u8a2d\u7f6e if_modified_since \u6307\u4ee4<\/h2>\n<p>\u8981\u8a2d\u7f6e <code>if_modified_since<\/code> \u6307\u4ee4\uff0c\u60a8\u9700\u8981\u7de8\u8f2f Nginx \u7684\u914d\u7f6e\u6587\u4ef6\u3002\u901a\u5e38\uff0c\u9019\u500b\u6587\u4ef6\u4f4d\u65bc <code>\/etc\/nginx\/nginx.conf<\/code> \u6216\u8005\u67d0\u500b\u7279\u5b9a\u7684\u865b\u64ec\u4e3b\u6a5f\u914d\u7f6e\u6587\u4ef6\u4e2d\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e6%89%93%e9%96%8b-nginx-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-ZyKvRqjZES\">\u6b65\u9a5f 1\uff1a\u6253\u958b Nginx \u914d\u7f6e\u6587\u4ef6<\/h3>\n<pre><code>sudo nano \/etc\/nginx\/nginx.conf<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e6%b7%bb%e5%8a%a0-if_modified_since-%e6%8c%87%e4%bb%a4-ZyKvRqjZES\">\u6b65\u9a5f 2\uff1a\u6dfb\u52a0 if_modified_since \u6307\u4ee4<\/h3>\n<p>\u5728 server \u5340\u584a\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6dfb\u52a0 <code>if_modified_since<\/code> \u6307\u4ee4\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        root \/var\/www\/html;\n        if_modified_since on;  # \u555f\u7528 if_modified_since \u6307\u4ee4\n    }\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u555f\u7528\u4e86 <code>if_modified_since<\/code> \u6307\u4ee4\uff0c\u9019\u6a23 Nginx \u5c31\u6703\u6839\u64da\u5ba2\u6236\u7aef\u7684\u8acb\u6c42\u4f86\u6c7a\u5b9a\u662f\u5426\u8fd4\u56de 304 Not Modified \u97ff\u61c9\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e6%b8%ac%e8%a9%a6%e9%85%8d%e7%bd%ae%e4%b8%a6%e9%87%8d%e5%95%9f-nginx-ZyKvRqjZES\">\u6b65\u9a5f 3\uff1a\u6e2c\u8a66\u914d\u7f6e\u4e26\u91cd\u555f Nginx<\/h3>\n<p>\u5728\u4fee\u6539\u5b8c\u914d\u7f6e\u6587\u4ef6\u5f8c\uff0c\u60a8\u9700\u8981\u6e2c\u8a66\u914d\u7f6e\u7684\u6b63\u78ba\u6027\u4e26\u91cd\u555f Nginx \u4f3a\u670d\u5668\uff1a<\/p>\n<pre><code>sudo nginx -t  # \u6e2c\u8a66\u914d\u7f6e\nsudo systemctl restart nginx  # \u91cd\u555f Nginx<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8-if_modified_since-%e7%9a%84%e5%a5%bd%e8%99%95-ZyKvRqjZES\">\u4f7f\u7528 if_modified_since \u7684\u597d\u8655<\/h2>\n<ul>\n<li><strong>\u6e1b\u5c11\u5e36\u5bec\u4f7f\u7528\uff1a<\/strong>\u901a\u904e\u8fd4\u56de 304 Not Modified \u97ff\u61c9\uff0c\u4f3a\u670d\u5668\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u50b3\u8f38\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u52a0\u8f09\u901f\u5ea6\uff1a<\/strong>\u5ba2\u6236\u7aef\u53ef\u4ee5\u5feb\u901f\u52a0\u8f09\u7de9\u5b58\u7684\u8cc7\u6e90\uff0c\u5f9e\u800c\u63d0\u9ad8\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u4f3a\u670d\u5668\u8ca0\u64d4\uff1a<\/strong>\u6e1b\u5c11\u4e86\u4f3a\u670d\u5668\u7684\u8acb\u6c42\u8655\u7406\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u6574\u9ad4\u6548\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZyKvRqjZES\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86 Nginx \u7684 <code>if_modified_since<\/code> \u6307\u4ee4\u53ca\u5176\u8a2d\u7f6e\u65b9\u6cd5\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u9019\u500b\u6307\u4ee4\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u7db2\u7ad9\u7684\u6548\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u7db2\u7ad9\u6258\u7ba1\u9084\u662f\u61c9\u7528\u7a0b\u5f0f\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 Nginx \u4e2d\u8a2d\u7f6e if_modified_since \u6307\u4ee4\uff0c\u512a\u5316\u8cc7\u6e90\u52a0\u8f09\u548c\u63d0\u9ad8\u7db2\u7ad9\u6027\u80fd\u7684\u5be6\u7528\u65b0\u624b\u6559\u7a0b\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-50851","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50851","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=50851"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50851\/revisions"}],"predecessor-version":[{"id":50852,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50851\/revisions\/50852"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=50851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=50851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=50851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}