{"id":185849,"date":"2021-11-27T09:11:28","date_gmt":"2021-11-27T01:11:28","guid":{"rendered":"http:\/\/www.idc.net\/help\/185849\/"},"modified":"2021-11-27T09:11:28","modified_gmt":"2021-11-27T01:11:28","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91nginx%e6%95%99%e7%a8%8b%ef%bc%9anginx-%e7%9a%84%e8%af%b7%e6%b1%82%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/185849\/","title":{"rendered":"\u540e\u6d6a\u4e91nginx\u6559\u7a0b\uff1aNginx \u7684\u8bf7\u6c42\u5904\u7406"},"content":{"rendered":"<\/p>\n<p>Nginx \u4f7f\u7528\u4e00\u4e2a\u591a\u8fdb\u7a0b\u6a21\u578b\u6765\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\uff0c\u5176\u4e2d\u4e00\u4e2a master \u8fdb\u7a0b\uff0c\u591a\u4e2a worker \u8fdb\u7a0b\u3002master \u8fdb\u7a0b\u8d1f\u8d23\u7ba1\u7406 Nginx \u672c\u8eab\u548c\u5176\u4ed6 worker \u8fdb\u7a0b\u3002<\/p>\n<p>\u6240\u6709\u5b9e\u9645\u4e0a\u7684\u4e1a\u52a1\u5904\u7406\u903b\u8f91\u90fd\u5728 worker \u8fdb\u7a0b\u3002worker \u8fdb\u7a0b\u4e2d\u6709\u4e00\u4e2a\u51fd\u6570\uff0c\u6267\u884c\u65e0\u9650\u5faa\u73af\uff0c\u4e0d\u65ad\u5904\u7406\u6536\u5230\u7684\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u5e76\u8fdb\u884c\u5904\u7406\uff0c\u76f4\u5230\u6574\u4e2a Nginx \u670d\u52a1\u88ab\u505c\u6b62\u3002<\/p>\n<p>worker \u8fdb\u7a0b\u4e2d\uff0cngx_worker_process_cycle()\u51fd\u6570\u5c31\u662f\u8fd9\u4e2a\u65e0\u9650\u5faa\u73af\u7684\u5904\u7406\u51fd\u6570\u3002\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u4e00\u4e2a\u8bf7\u6c42\u7684\u7b80\u5355\u5904\u7406\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684\u673a\u5236\uff08\u4f8b\u5982 epoll, kqueue \u7b49\uff09\u4ea7\u751f\u76f8\u5173\u7684\u4e8b\u4ef6\u3002<\/li>\n<li>\u63a5\u6536\u548c\u5904\u7406\u8fd9\u4e9b\u4e8b\u4ef6\uff0c\u5982\u662f\u63a5\u53d7\u5230\u6570\u636e\uff0c\u5219\u4ea7\u751f\u66f4\u9ad8\u5c42\u7684 request \u5bf9\u8c61\u3002<\/li>\n<li>\u5904\u7406 request \u7684 header \u548c body\u3002<\/li>\n<li>\u4ea7\u751f\u54cd\u5e94\uff0c\u5e76\u53d1\u9001\u56de\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u5b8c\u6210 request \u7684\u5904\u7406\u3002<\/li>\n<li>\u91cd\u65b0\u521d\u59cb\u5316\u5b9a\u65f6\u5668\u53ca\u5176\u4ed6\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n<h2>\u8bf7\u6c42\u7684\u5904\u7406\u6d41\u7a0b<\/h2>\n<p>\u4e3a\u4e86\u8ba9\u5927\u5bb6\u66f4\u597d\u7684\u4e86\u89e3 Nginx \u4e2d\u8bf7\u6c42\u5904\u7406\u8fc7\u7a0b\uff0c\u6211\u4eec\u4ee5 HTTP Request \u4e3a\u4f8b\uff0c\u6765\u505a\u4e00\u4e0b\u8be6\u7ec6\u5730\u8bf4\u660e\u3002<\/p>\n<p>\u4ece Nginx \u7684\u5185\u90e8\u6765\u770b\uff0c\u4e00\u4e2a HTTP Request \u7684\u5904\u7406\u8fc7\u7a0b\u6d89\u53ca\u5230\u4ee5\u4e0b\u51e0\u4e2a\u9636\u6bb5\u3002<\/p>\n<ul>\n<li>\u521d\u59cb\u5316 HTTP Request\uff08\u8bfb\u53d6\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u6570\u636e\uff0c\u751f\u6210 HTTP Request \u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u542b\u6709\u8be5\u8bf7\u6c42\u6240\u6709\u7684\u4fe1\u606f\uff09\u3002<\/li>\n<li>\u5904\u7406\u8bf7\u6c42\u5934\u3002<\/li>\n<li>\u5904\u7406\u8bf7\u6c42\u4f53\u3002<\/li>\n<li>\u5982\u679c\u6709\u7684\u8bdd\uff0c\u8c03\u7528\u4e0e\u6b64\u8bf7\u6c42\uff08URL \u6216\u8005 Location\uff09\u5173\u8054\u7684 handler\u3002<\/li>\n<li>\u4f9d\u6b21\u8c03\u7528\u5404 phase handler \u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ul>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3\u4e00\u4e0b phase handler \u8fd9\u4e2a\u6982\u5ff5\u3002phase \u5b57\u9762\u7684\u610f\u601d\uff0c\u5c31\u662f\u9636\u6bb5\u3002\u6240\u4ee5 phase handlers \u4e5f\u5c31\u597d\u7406\u89e3\u4e86\uff0c\u5c31\u662f\u5305\u542b\u82e5\u5e72\u4e2a\u5904\u7406\u9636\u6bb5\u7684\u4e00\u4e9b handler\u3002<\/p>\n<p>\u5728\u6bcf\u4e00\u4e2a\u9636\u6bb5\uff0c\u5305\u542b\u6709\u82e5\u5e72\u4e2a handler\uff0c\u518d\u5904\u7406\u5230\u67d0\u4e2a\u9636\u6bb5\u7684\u65f6\u5019\uff0c\u4f9d\u6b21\u8c03\u7528\u8be5\u9636\u6bb5\u7684 handler \u5bf9 HTTP Request \u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e2a phase handler \u5bf9\u8fd9\u4e2a request \u8fdb\u884c\u5904\u7406\uff0c\u5e76\u4ea7\u751f\u4e00\u4e9b\u8f93\u51fa\u3002\u901a\u5e38 phase handler \u662f\u4e0e\u5b9a\u4e49\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u67d0\u4e2a location \u76f8\u5173\u8054\u7684\u3002<\/p>\n<p>\u4e00\u4e2a phase handler \u901a\u5e38\u6267\u884c\u4ee5\u4e0b\u51e0\u9879\u4efb\u52a1\uff1a<\/p>\n<ul>\n<li>\u83b7\u53d6 location \u914d\u7f6e\u3002<\/li>\n<li>\u4ea7\u751f\u9002\u5f53\u7684\u54cd\u5e94\u3002<\/li>\n<li>\u53d1\u9001 response header\u3002<\/li>\n<li>\u53d1\u9001 response body\u3002<\/li>\n<\/ul>\n<p>\u5f53 Nginx \u8bfb\u53d6\u5230\u4e00\u4e2a HTTP Request \u7684 header \u7684\u65f6\u5019\uff0cNginx \u9996\u5148\u67e5\u627e\u4e0e\u8fd9\u4e2a\u8bf7\u6c42\u5173\u8054\u7684\u865a\u62df\u4e3b\u673a\u7684\u914d\u7f6e\u3002\u5982\u679c\u627e\u5230\u4e86\u8fd9\u4e2a\u865a\u62df\u4e3b\u673a\u7684\u914d\u7f6e\uff0c\u90a3\u4e48\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a HTTP Request \u5c06\u4f1a\u7ecf\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u9636\u6bb5\u7684\u5904\u7406\uff08phase handlers\uff09\uff1a<\/p>\n<ul>\n<li>NGX_HTTP_POST_READ_PHASE: \u8bfb\u53d6\u8bf7\u6c42\u5185\u5bb9\u9636\u6bb5<\/li>\n<li>NGX_HTTP_SERVER_REWRITE_PHASE: Server \u8bf7\u6c42\u5730\u5740\u91cd\u5199\u9636\u6bb5<\/li>\n<li>NGX_HTTP_FIND_CONFIG_PHASE: \u914d\u7f6e\u67e5\u627e\u9636\u6bb5:<\/li>\n<li>NGX_HTTP_REWRITE_PHASE: Location\u8bf7\u6c42\u5730\u5740\u91cd\u5199\u9636\u6bb5<\/li>\n<li>NGX_HTTP_POST_REWRITE_PHASE: \u8bf7\u6c42\u5730\u5740\u91cd\u5199\u63d0\u4ea4\u9636\u6bb5<\/li>\n<li>NGX_HTTP_PREACCESS_PHASE: \u8bbf\u95ee\u6743\u9650\u68c0\u67e5\u51c6\u5907\u9636\u6bb5<\/li>\n<li>NGX_HTTP_ACCESS_PHASE: \u8bbf\u95ee\u6743\u9650\u68c0\u67e5\u9636\u6bb5<\/li>\n<li>NGX_HTTP_POST_ACCESS_PHASE: \u8bbf\u95ee\u6743\u9650\u68c0\u67e5\u63d0\u4ea4\u9636\u6bb5<\/li>\n<li>NGX_HTTP_TRY_FILES_PHASE: \u914d\u7f6e\u9879 try_files \u5904\u7406\u9636\u6bb5 <\/li>\n<li>NGX_HTTP_CONTENT_PHASE: \u5185\u5bb9\u4ea7\u751f\u9636\u6bb5<\/li>\n<li>NGX_HTTP_LOG_PHASE: \u65e5\u5fd7\u6a21\u5757\u5904\u7406\u9636\u6bb5<\/li>\n<\/ul>\n<p>\u5728\u5185\u5bb9\u4ea7\u751f\u9636\u6bb5\uff0c\u4e3a\u4e86\u7ed9\u4e00\u4e2a request \u4ea7\u751f\u6b63\u786e\u7684\u54cd\u5e94\uff0cNginx \u5fc5\u987b\u628a\u8fd9\u4e2a request \u4ea4\u7ed9\u4e00\u4e2a\u5408\u9002\u7684 content handler \u53bb\u5904\u7406\u3002\u5982\u679c\u8fd9\u4e2a request \u5bf9\u5e94\u7684 location \u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u88ab\u660e\u786e\u6307\u5b9a\u4e86\u4e00\u4e2a content handler\uff0c\u90a3\u4e48Nginx \u5c31\u53ef\u4ee5\u901a\u8fc7\u5bf9 location \u7684\u5339\u914d\uff0c\u76f4\u63a5\u627e\u5230\u8fd9\u4e2a\u5bf9\u5e94\u7684 handler\uff0c\u5e76\u628a\u8fd9\u4e2a request \u4ea4\u7ed9\u8fd9\u4e2a content handler \u53bb\u5904\u7406\u3002\u8fd9\u6837\u7684\u914d\u7f6e\u6307\u4ee4\u5305\u62ec\u50cf\uff0cperl\uff0cflv\uff0cproxy_pass\uff0cmp4\u7b49\u3002<\/p>\n<p>\u5982\u679c\u4e00\u4e2a request \u5bf9\u5e94\u7684 location \u5e76\u6ca1\u6709\u76f4\u63a5\u6709\u914d\u7f6e\u7684 content handler\uff0c\u90a3\u4e48 Nginx \u4f9d\u6b21\u5c1d\u8bd5:<\/p>\n<ul>\n<li>\u5982\u679c\u4e00\u4e2a location \u91cc\u9762\u6709\u914d\u7f6e random_index on\uff0c\u90a3\u4e48\u968f\u673a\u9009\u62e9\u4e00\u4e2a\u6587\u4ef6\uff0c\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u5982\u679c\u4e00\u4e2a location \u91cc\u9762\u6709\u914d\u7f6e index \u6307\u4ee4\uff0c\u90a3\u4e48\u53d1\u9001 index \u6307\u4ee4\u6307\u660e\u7684\u6587\u4ef6\uff0c\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u5982\u679c\u4e00\u4e2a location \u91cc\u9762\u6709\u914d\u7f6e autoindex on\uff0c\u90a3\u4e48\u5c31\u53d1\u9001\u8bf7\u6c42\u5730\u5740\u5bf9\u5e94\u7684\u670d\u52a1\u7aef\u8def\u5f84\u4e0b\u7684\u6587\u4ef6\u5217\u8868\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u5982\u679c\u8fd9\u4e2a request \u5bf9\u5e94\u7684 location \u4e0a\u6709\u8bbe\u7f6e gzip_static on\uff0c\u90a3\u4e48\u5c31\u67e5\u627e\u662f\u5426\u6709\u5bf9\u5e94\u7684<code>.gz<\/code>\u6587\u4ef6\u5b58\u5728\uff0c\u6709\u7684\u8bdd\uff0c\u5c31\u53d1\u9001\u8fd9\u4e2a\u7ed9\u5ba2\u6237\u7aef\uff08\u5ba2\u6237\u7aef\u652f\u6301 gzip \u7684\u60c5\u51b5\u4e0b\uff09\u3002<\/li>\n<li>\u8bf7\u6c42\u7684 URI \u5982\u679c\u5bf9\u5e94\u4e00\u4e2a\u9759\u6001\u6587\u4ef6\uff0cstatic module \u5c31\u53d1\u9001\u9759\u6001\u6587\u4ef6\u7684\u5185\u5bb9\u5230\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n<p>\u5185\u5bb9\u4ea7\u751f\u9636\u6bb5\u5b8c\u6210\u4ee5\u540e\uff0c\u751f\u6210\u7684\u8f93\u51fa\u4f1a\u88ab\u4f20\u9012\u5230 filter \u6a21\u5757\u53bb\u8fdb\u884c\u5904\u7406\u3002filter \u6a21\u5757\u4e5f\u662f\u4e0e location \u76f8\u5173\u7684\u3002\u6240\u6709\u7684 fiter \u6a21\u5757\u90fd\u88ab\u7ec4\u7ec7\u6210\u4e00\u6761\u94fe\u3002\u8f93\u51fa\u4f1a\u4f9d\u6b21\u7a7f\u8d8a\u6240\u6709\u7684 filter\uff0c\u76f4\u5230\u6709\u4e00\u4e2a filter \u6a21\u5757\u7684\u8fd4\u56de\u503c\u8868\u660e\u5df2\u7ecf\u5904\u7406\u5b8c\u6210\u3002<\/p>\n<p>\u8fd9\u91cc\u5217\u4e3e\u51e0\u4e2a\u5e38\u89c1\u7684 filter \u6a21\u5757\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>server-side includes\u3002<\/li>\n<li>XSLT filtering\u3002<\/li>\n<li>\u56fe\u50cf\u7f29\u653e\u4e4b\u7c7b\u7684\u3002<\/li>\n<li>gzip \u538b\u7f29\u3002<\/li>\n<\/ul>\n<p>\u5728\u6240\u6709\u7684 filter \u4e2d\uff0c\u6709\u51e0\u4e2a filter \u6a21\u5757\u9700\u8981\u5173\u6ce8\u4e00\u4e0b\u3002\u6309\u7167\u8c03\u7528\u7684\u987a\u5e8f\u4f9d\u6b21\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>write: \u5199\u8f93\u51fa\u5230\u5ba2\u6237\u7aef\uff0c\u5b9e\u9645\u4e0a\u662f\u5199\u5230\u8fde\u63a5\u5bf9\u5e94\u7684 socket \u4e0a\u3002<\/li>\n<li>postpone: \u8fd9\u4e2a filter \u662f\u8d1f\u8d23 subrequest \u7684\uff0c\u4e5f\u5c31\u662f\u5b50\u8bf7\u6c42\u7684\u3002<\/li>\n<li>copy: \u5c06\u4e00\u4e9b\u9700\u8981\u590d\u5236\u7684 buf(\u6587\u4ef6\u6216\u8005\u5185\u5b58)\u91cd\u65b0\u590d\u5236\u4e00\u4efd\u7136\u540e\u4ea4\u7ed9\u5269\u4f59\u7684 body filter \u5904\u7406\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Nginx \u4f7f\u7528\u4e00\u4e2a\u591a\u8fdb\u7a0b\u6a21\u578b\u6765\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\uff0c\u5176\u4e2d\u4e00\u4e2a master \u8fdb\u7a0b\uff0c\u591a\u4e2a worker \u8fdb\u7a0b\u3002mast [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[],"class_list":["post-185849","post","type-post","status-publish","format-standard","hentry","category-nginx"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/185849","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=185849"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/185849\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=185849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=185849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=185849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}