{"id":43,"date":"2024-12-01T18:57:17","date_gmt":"2024-12-01T10:57:17","guid":{"rendered":"http:\/\/yangnanbei.top\/?p=43"},"modified":"2025-09-20T16:16:00","modified_gmt":"2025-09-20T08:16:00","slug":"%e4%bb%8e%e8%be%93%e5%85%a5url%e5%88%b0%e9%a1%b5%e9%9d%a2%e6%98%be%e7%a4%ba%e5%86%85%e5%ae%b9","status":"publish","type":"post","link":"http:\/\/yangnanbei.top\/index.php\/2024\/12\/01\/%e4%bb%8e%e8%be%93%e5%85%a5url%e5%88%b0%e9%a1%b5%e9%9d%a2%e6%98%be%e7%a4%ba%e5%86%85%e5%ae%b9\/","title":{"rendered":"\u7f51\u7edc\u76f8\u5173\u77e5\u8bc6"},"content":{"rendered":"\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u4ecb\u7ecd\u4e00\u4e0b TCP\/IP \u6a21\u578b\u548c OSI \u6a21\u578b\u7684\u533a\u522b\uff1f<\/li>\n<\/ol>\n\n\n\n<p>\u7b54\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>TCP\/IP \u6a21\u578b\n<ol class=\"wp-block-list\">\n<li>\u662f\u5982\u4eca\u73b0\u5b9e\u4e16\u754c\u88ab\u5e7f\u6cdb\u4f7f\u7528\u7684\u7f51\u7edc\u901a\u4fe1\u6a21\u578b\uff0c\u662f<strong>\u4e8b\u5b9e\u4e0a\u7684\u6807\u51c6<\/strong><\/li>\n\n\n\n<li>\u4ece\u5e95\u5c42\u5230\u9876\u5c42\u5206\u522b\u4e3a5\u5c42\n<ol class=\"wp-block-list\">\n<li>\u7269\u7406\u5c42\uff1a\u8d1f\u8d23<strong>\u6bd4\u7279\u6d41<\/strong>\u5728\u7269\u7406\u4ecb\u8d28\u4e0a\u7684\u4f20\u8f93<\/li>\n\n\n\n<li>\u6570\u636e\u94fe\u8def\u5c42\uff1a\u8d1f\u8d23<strong>\u540c\u4e00\u7269\u7406\u7f51\u7edc\u5185 <\/strong><strong><code>\u8bbe\u5907\u4e4b\u95f4<\/code><\/strong>\u5230\u7aef\u7684\u4f20\u8f93<\/li>\n\n\n\n<li>\u7f51\u7edc\u5c42\uff1a\u6838\u5fc3\u662f<strong>ip<\/strong><strong>\u5bfb\u5740\u548c\u8def\u7531<\/strong>\uff0c\u8d1f\u8d23<strong>\u4e3b\u673a\u5230\u4e3b\u673a\u7684\u903b\u8f91\u5bfb\u5740<\/strong>\u548c\u8def\u7531\u9009\u62e9<\/li>\n\n\n\n<li>\u4f20\u8f93\u5c42\uff1a\u4fdd\u8bc1\u7aef\u5230\u7aef\u7684\u6570\u636e\u4f20\u8f93\n<ol class=\"wp-block-list\">\n<li><strong>tcp<\/strong><strong>\uff1a<\/strong>\u6709\u8fde\u63a5\u670d\u52a1<strong>\uff0c\u5728\u4e00\u4e2a\u4e0d\u53ef\u4fe1\u7684\u7f51\u7edc\u4e16\u754c\u4e2d\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u4fe1\u7684\u6d41\u4f20\u8f93\u673a\u5236<\/strong>\u3002<\/li>\n\n\n\n<li><strong>udp<\/strong>\uff1a\u65e0\u8fde\u63a5\u670d\u52a1\uff0c\u4e0d\u53ef\u9760\u4f20\u8f93\uff0c\u7528\u4e8e\u53ef\u5bb9\u8bb8\u5c11\u91cf\u4e22\u5305\u7684\u573a\u666f\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u5e94\u7528\u5c42\uff1a\u9762\u5411\u7528\u6237\u7684\u63a5\u53e3\uff0c\u4e3a\u7528\u6237\u548c\u5e94\u7528\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>tcp\/ip\u6a21\u578b\uff0c\u5728<strong>\u7f51\u7edc\u5c42<\/strong>\u53ea\u63d0\u4f9b<code>\u65e0\u8fde\u63a5\u670d\u52a1<\/code>\uff0c\u5728<strong>\u4f20\u8f93\u5c42<\/strong>\u624d\u652f\u6301<code>\u6709\u8fde\u63a5\u670d\u52a1<\/code>(tcp)\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>OSI \u6a21\u578b\n<ol class=\"wp-block-list\">\n<li>\u662f\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7ISO\u63d0\u51fa\u7684<strong>\u7406\u8bba\u4e0a\u7684\u6807\u51c6<\/strong>\uff0c\u5e76\u672a\u5728\u73b0\u5b9e\u4e16\u754c\u505a\u5230\u5e7f\u6cdb\u8fd0\u7528<\/li>\n\n\n\n<li>\u5171\u5206\u4e3a7\u5c42\uff08\u7269\u8054\u7f51\u8212\u4f1a\u9002\u7528\uff09\n<ol class=\"wp-block-list\">\n<li>\u7269\u7406\u5c42<\/li>\n\n\n\n<li>\u6570\u636e\u94fe\u8def\u5c42<\/li>\n\n\n\n<li>\u7f51\u7edc\u5c42<\/li>\n\n\n\n<li>\u4f20\u8f93\u5c42<\/li>\n\n\n\n<li>\u4f1a\u8bdd\u5c42<\/li>\n\n\n\n<li>\u8868\u793a\u5c42<\/li>\n\n\n\n<li>\u5e94\u7528\u5c42<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u7f51\u7edc\u5c42\u548c\u4f20\u8f93\u5c42\u90fd\u652f\u6301<code>\u6709\u8fde\u63a5\u670d\u52a1<\/code>\u548c<code>\u65e0\u8fde\u63a5\u670d\u52a1<\/code><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u5173\u952e\u533a\u522b\uff1a<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>tcp\/ip \u662f\u73b0\u5b9e\u4e16\u754c\u4e8b\u5b9e\u4e0a\u7684\u6807\u51c6\uff0c\u800cosi\u53ea\u662f\u7406\u8bba\u6a21\u578b\u3002<\/li>\n\n\n\n<li>tcp\/ip\u6a21\u578b\u5408\u5e76\u4e86osi\u6a21\u578b\u4e2d\u7684\u4f1a\u8bdd\u5c42\uff0c\u8868\u793a\u5c42\uff0c\u5e94\u7528\u5c42\u4e3a\u5e94\u7528\u5c42\u3002<\/li>\n\n\n\n<li>tcp\/ip \u7f51\u7edc\u5c42\u53ea\u652f\u6301\u65e0\u8fde\u63a5\uff0c\u4f20\u8f93\u5c42\u624d\u652f\u6301\u6709\u8fde\u63a5\u3002osi\u7684\u7f51\u7edc\u5c42\u548c\u4f20\u8f93\u5c42 \u65e0\u8fde\u63a5\u548c\u6709\u8fde\u63a5\u90fd\u652f\u6301\u3002<\/li>\n\n\n\n<li>\u4ece\u8f93\u5165URL\u5230\u9875\u9762\u5c55\u793a\u53d1\u751f\u4e86\u4ec0\u4e48\uff1f<\/li>\n<\/ol>\n\n\n\n<p>\u7b54\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>URL\u89e3\u6790\u53ca\u89c4\u5212\u8bf7\u6c42\n<ol class=\"wp-block-list\">\n<li>\u6d4f\u89c8\u5668\u5224\u65ad\u662f\u8f93\u5165URL\u8fd8\u662f\u641c\u7d22\u5173\u952e\u8bcd\uff0c\u82e5\u662f\u8f93\u5165\u5173\u952e\u8bcd\u6d4b\u5219<code>\u89e6\u53d1\u641c\u7d22\u5f15\u64ce\u67e5\u8be2<\/code><\/li>\n\n\n\n<li>\u89e3\u6790URL\uff0c\u5206\u89e3URL\u4e2d\u7684\u534f\u8bae<code>http\/https<\/code>, \u57df\u540d<code>www.baidu.com<\/code>, \u7aef\u53e3<code>80\/443<\/code>\uff0c\u8def\u5f84<code>index.html<\/code>\u7b49\u3002\u5bf9url\u8fdb\u884c\u89e3\u6790\u540e\uff0c\u6d4f\u89c8\u5668\u4f1a\u786e\u5b9aweb\u670d\u52a1\u5668\u57df\u540d\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>DNS\u57df\u540d\u89e3\u6790\n<ol class=\"wp-block-list\">\n<li>\u67e5\u8be2\u7f13\u5b58\n<ul class=\"wp-block-list\">\n<li>\u6d4f\u89c8\u5668\u7f13\u5b58->\u7cfb\u7edf\u7f13\u5b58<code>hosts\u6587\u4ef6<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u82e5\u7f13\u5b58\u672a\u67e5\u8be2\u5230\uff0c\u5219\u8fdb\u884c\u9012\u5f52\u67e5\u8be2\u3002\n<ul class=\"wp-block-list\">\n<li>\u67e5\u8be2\u672c\u5730DNS\u670d\u52a1\u5668\uff0c\u6839DNS\u670d\u52a1\u5668\uff0c\u9876\u7ea7\u57dfDNS.com\uff0c\u6743\u5a01DNS example.com<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u5efa\u7acb\u8fde\u63a5\n<ol class=\"wp-block-list\">\n<li>\u4e09\u6b21\u63e1\u624b\u5efa\u7acbTCP\u8fde\u63a5<\/li>\n\n\n\n<li>\u73b0\u5728\u5927\u591a\u6570\u7f51\u7ad9\u90fd\u4f7f\u7528HTTPS\u534f\u8bae\uff0c\u5b83\u8fd8\u9700\u8981\u989d\u5916\u505a\u4e24\u70b9\n<ul class=\"wp-block-list\">\n<li>TLS\u63e1\u624b\uff0c\u5728TLS\u63e1\u624b\u7684\u65f6\u5019\u9700\u8981<code>\u534f\u5546\u52a0\u5bc6\u534f\u8bae<\/code>\u4ee5\u53ca<code>\u4ea4\u6362\u5bc6\u94a5<\/code>\u3002<\/li>\n\n\n\n<li>\u9700\u8981\u9a8c\u8bc1CA\u94fe\u7684\u53ef\u4fe1\u5ea6<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u53d1\u9001HTTP\u8bf7\u6c42\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u670d\u52a1\u5668\u5904\u7406\u8bf7\u6c42\n<ol class=\"wp-block-list\">\n<li>\u53cd\u5411\u4ee3\u7406\uff0c\u5982NGINX\u5904\u7406\u8d1f\u8f7d\u5747\u8861<\/li>\n\n\n\n<li>\u5e94\u7528\u670d\u52a1\u5668\u6267\u884c\u4e1a\u52a1\u903b\u8f91\uff0c\u67e5\u8be2\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n<li>\u751f\u6210\u54cd\u5e94<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u6d4f\u89c8\u5668\u89e3\u6790\u4e0e\u6e32\u67d3<\/li>\n<\/ol>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>HTTP\u8bf7\u6c42\u62a5\u6587\u548c\u54cd\u5e94\u62a5\u6587\u662f\u600e\u6837\u7684\uff0c\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u5b57\u6bb5\uff1f<\/li>\n<\/ol>\n\n\n\n<p>HTTP\u8bf7\u6c42\u62a5\u6587\u548c\u54cd\u5e94\u62a5\u6587\u662fHTTP\u534f\u8bae\u901a\u4fe1\u7684\u6838\u5fc3\uff0c\u5b83\u4eec\u9075\u5faa\u7279\u5b9a\u7684\u683c\u5f0f\uff0c\u7531 <code>\u8d77\u59cb\u884c<\/code>\u3001<code>\u5934\u90e8\u5b57\u6bb5<\/code>\u3001<code>\u7a7a\u884c<\/code>\u548c\u53ef\u9009\u7684<code>\u6d88\u606f\u4e3b\u4f53<\/code>\u7ec4\u6210\u3002\u4ee5\u4e0b\u662f\u5b83\u4eec\u7684\u8be6\u7ec6\u7ed3\u6784\u548c\u5e38\u89c1\u5b57\u6bb5\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e00\u3001HTTP\u8bf7\u6c42\u62a5\u6587\u683c\u5f0f<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;\u65b9\u6cd5&gt; &lt;\u8bf7\u6c42URL&gt; &lt;HTTP\u7248\u672c&gt;\n&lt;\u5934\u90e8\u5b57\u6bb5&gt;\n...\n\uff08\u7a7a\u884c\uff09\n&lt;\u8bf7\u6c42\u4e3b\u4f53&gt;\uff08\u53ef\u9009\uff09<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>GET \/index.html HTTP\/1.1\nHost: www.example.com\nUser-Agent: Mozilla\/5.0\nAccept: text\/html\nConnection: keep-alive\n\uff08\u7a7a\u884c\uff09<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5173\u952e\u7ec4\u6210\u90e8\u5206\uff1a<\/strong><\/h4>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u8d77\u59cb\u884c<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li><strong>\u65b9\u6cd5<\/strong>\uff1a<code>GET<\/code>\uff08\u83b7\u53d6\u8d44\u6e90\uff09\u3001<code>POST<\/code>\uff08\u63d0\u4ea4\u6570\u636e\uff09\u3001<code>PUT<\/code>\uff08\u66f4\u65b0\u8d44\u6e90\uff09\u3001<code>DELETE<\/code>\uff08\u5220\u9664\u8d44\u6e90\uff09\u3001<code>HEAD<\/code>\uff08\u4ec5\u83b7\u53d6\u5934\u90e8\uff09\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u8bf7\u6c42URL<\/strong>\uff1a\u76ee\u6807\u8d44\u6e90\u7684\u8def\u5f84\uff08\u5982 <code>\/index.html<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>HTTP\u7248\u672c<\/strong>\uff1a<code>HTTP\/1.1<\/code> \u6216 <code>HTTP\/2<\/code>\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u5e38\u89c1\u8bf7\u6c42\u5934\u90e8\u5b57\u6bb5(\u5ba2\u6237\u7aef\u80fd\u5904\u7406\u7684\u5185\u5bb9)<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u8bf7\u6c42\u4e3b\u4f53\uff08\u8981\u66f4\u65b0\u7684\u6570\u636e\uff09<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li>\u7528\u4e8e <code>POST<\/code>\u3001<code>PUT<\/code> \u7b49\u65b9\u6cd5\uff0c\u5305\u542b\u8868\u5355\u6570\u636e\u3001JSON\u3001\u6587\u4ef6\u7b49\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e8c\u3001HTTP\u54cd\u5e94\u62a5\u6587\u683c\u5f0f<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;HTTP\u7248\u672c&gt; &lt;\u72b6\u6001\u7801&gt; &lt;\u72b6\u6001\u77ed\u8bed&gt; \/\/ \u72b6\u6001\u884c\n&lt;\u5934\u90e8\u5b57\u6bb5&gt;    \/\/ \u72b6\u6001\u5934\n...\n\uff08\u7a7a\u884c\uff09\n&lt;\u54cd\u5e94\u4e3b\u4f53&gt;\uff08\u53ef\u9009\uff09<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>HTTP\/1.1 200 OK\nContent-Type: text\/html\nContent-Length: 1234\nServer: nginx\n\uff08\u7a7a\u884c\uff09\n&lt;!DOCTYPE html&gt;...<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5173\u952e\u7ec4\u6210\u90e8\u5206\uff1a<\/strong><\/h4>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u8d77\u59cb\u884c<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li><strong>HTTP\u7248\u672c<\/strong>\uff1a<code>HTTP\/1.1<\/code> \u6216 <code>HTTP\/2<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u72b6\u6001\u7801<\/strong>\uff1a\u4e09\u4f4d\u6570\u5b57\u4ee3\u7801\uff08\u5982 <code>200<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>\u72b6\u6001\u77ed\u8bed<\/strong>\uff1a\u72b6\u6001\u7801\u7684\u6587\u672c\u63cf\u8ff0\uff08\u5982 <code>OK<\/code>\uff09\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u5e38\u89c1\u54cd\u5e94\u5934\u90e8\u5b57\u6bb5<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u54cd\u5e94\u4e3b\u4f53<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li>HTML\u9875\u9762\u3001JSON\u6570\u636e\u3001\u56fe\u7247\u7b49\u8d44\u6e90\u5185\u5bb9\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e09\u3001\u5e38\u7528\u72b6\u6001\u7801\u901f\u67e5<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u72b6\u6001\u7801<\/td><td>\u7c7b\u522b<\/td><td>\u5e38\u89c1\u793a\u4f8b<\/td><\/tr><tr><td><code>1xx<\/code><\/td><td>\u4fe1\u606f\u6027<\/td><td><code>100 Continue<\/code><\/td><\/tr><tr><td><code>2xx<\/code><\/td><td>\u6210\u529f<\/td><td><code>200 OK<\/code>\u3001<code>201 Created<\/code><\/td><\/tr><tr><td><code>3xx<\/code><\/td><td>\u91cd\u5b9a\u5411<\/td><td><code>301 Moved Permanently<\/code>\u3001<code>304 Not Modified<\/code><\/td><\/tr><tr><td><code>4xx<\/code><\/td><td>\u5ba2\u6237\u7aef\u9519\u8bef<\/td><td><code>400 Bad Request<\/code>\u3001<code>404 Not Found<\/code>\u3001<code>403 Forbidden<\/code><\/td><\/tr><tr><td><code>5xx<\/code><\/td><td>\u670d\u52a1\u5668\u9519\u8bef<\/td><td><code>500 Internal Server Error<\/code>\u3001<code>503 Service Unavailable<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u56db\u3001\u62a5\u6587\u7ed3\u6784\u603b\u7ed3<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u90e8\u5206<\/td><td>\u8bf7\u6c42\u62a5\u6587<\/td><td>\u54cd\u5e94\u62a5\u6587<\/td><\/tr><tr><td><strong>\u8d77\u59cb\u884c<\/strong><\/td><td><code>GET \/path HTTP\/1.1<\/code><\/td><td><code>HTTP\/1.1 200 OK<\/code><\/td><\/tr><tr><td><strong>\u5934\u90e8\u5b57\u6bb5<\/strong><\/td><td><code>Host<\/code>, <code>User-Agent<\/code>, <code>Cookie<\/code><\/td><td><code>Content-Type<\/code>, <code>Server<\/code>, <code>Set-Cookie<\/code><\/td><\/tr><tr><td><strong>\u7a7a\u884c<\/strong><\/td><td><code>\\r\\n<\/code>\uff08\u5fc5\u987b\u5b58\u5728\uff09<\/td><td><code>\\r\\n<\/code>\uff08\u5fc5\u987b\u5b58\u5728\uff09<\/td><\/tr><tr><td><strong>\u4e3b\u4f53<\/strong><\/td><td>POST\u6570\u636e\u3001\u4e0a\u4f20\u6587\u4ef6\u7b49<\/td><td>HTML\u3001JSON\u3001\u6587\u4ef6\u5185\u5bb9\u7b49<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e94\u3001\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8c03\u8bd5\u5de5\u5177<\/strong>\uff1a\u4f7f\u7528\u6d4f\u89c8\u5668\u5f00\u53d1\u8005\u5de5\u5177\uff08F12 \u2192 Network \u6807\u7b7e\uff09\u6216\u547d\u4ee4\u884c\u5de5\u5177\uff08<code>curl -v URL<\/code>\uff09\u67e5\u770b\u539f\u59cb\u62a5\u6587\u3002<\/li>\n\n\n\n<li><strong>API\u5f00\u53d1<\/strong>\uff1aRESTful API \u4f9d\u8d56 <code>Content-Type: application\/json<\/code> \u548c\u72b6\u6001\u7801\uff08\u5982 <code>201 Created<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u5168\u76f8\u5173<\/strong>\uff1a<code>CORS<\/code> \u901a\u8fc7\u54cd\u5e94\u5934 <code>Access-Control-Allow-Origin<\/code> \u63a7\u5236\u8de8\u57df\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u7406\u89e3\u8fd9\u4e9b\u62a5\u6587\u7ed3\u6784\u548c\u5b57\u6bb5\uff0c\u662f\u8c03\u8bd5\u7f51\u7edc\u95ee\u9898\u3001\u5f00\u53d1Web\u5e94\u7528\u6216\u5b66\u4e60HTTP\u534f\u8bae\u7684\u57fa\u7840\uff01<\/p>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>HTTP\u6709\u54ea\u4e9b\u8bf7\u6c42\u65b9\u5f0f\uff1f<\/li>\n<\/ol>\n\n\n\n<p>HTTP \u8bf7\u6c42\u65b9\u6cd5\uff08\u4e5f\u79f0\u4e3a <code>HTTP verbs<\/code>\uff09\u5b9a\u4e49\u4e86\u5ba2\u6237\u7aef\u5bf9\u670d\u52a1\u5668\u8d44\u6e90\u6267\u884c\u7684\u64cd\u4f5c\u7c7b\u578b\u3002\u4ee5\u4e0b\u662f\u4e3b\u8981\u7684\u8bf7\u6c42\u65b9\u6cd5\u53ca\u5176\u7528\u9014\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e00\u3001\u6838\u5fc3\u65b9\u6cd5\uff08RFC 7231 \u5b9a\u4e49\uff09<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u65b9\u6cd5<\/td><td>\u4f5c\u7528<\/td><td>\u662f\u5426\u5e42\u7b49<\/td><td>\u662f\u5426\u5b89\u5168<\/td><td>\u5178\u578b\u5e94\u7528\u573a\u666f<\/td><\/tr><tr><td><strong><code>GET<\/code><\/strong><\/td><td>\u83b7\u53d6\u8d44\u6e90\uff08**\u53ea\u8bfb**\uff09<\/td><td>\u2713<\/td><td>\u2713<\/td><td>\u52a0\u8f7d\u7f51\u9875\u3001\u67e5\u8be2\u6570\u636e<\/td><\/tr><tr><td><strong><code>POST<\/code><\/strong><\/td><td>\u63d0\u4ea4\u6570\u636e\uff08**\u521b\u5efa\u8d44\u6e90**\u6216\u89e6\u53d1\u5904\u7406\uff09<\/td><td>\u2717<\/td><td>\u2717<\/td><td>\u8868\u5355\u63d0\u4ea4\u3001\u65b0\u589e\u8ba2\u5355<\/td><\/tr><tr><td><strong><code>PUT<\/code><\/strong><\/td><td><strong>\u66ff\u6362<\/strong>\u76ee\u6807\u8d44\u6e90\uff08\u5168\u91cf\u66f4\u65b0\uff09<\/td><td>\u2713<\/td><td>\u2717<\/td><td>\u66f4\u65b0\u7528\u6237\u5168\u90e8\u4fe1\u606f<\/td><\/tr><tr><td><strong><code>DELETE<\/code><\/strong><\/td><td>\u5220\u9664\u8d44\u6e90<\/td><td>\u2713<\/td><td>\u2717<\/td><td>\u5220\u9664\u6587\u4ef6\u3001\u8ba2\u5355<\/td><\/tr><tr><td><strong><code>HEAD<\/code><\/strong><\/td><td>\u83b7\u53d6\u8d44\u6e90\u7684**\u5143\u6570\u636e**\uff08\u54cd\u5e94\u5934\uff0c\u65e0\u54cd\u5e94\u4f53\uff09<\/td><td>\u2713<\/td><td>\u2713<\/td><td>\u68c0\u67e5\u8d44\u6e90\u662f\u5426\u5b58\u5728\/\u662f\u5426\u88ab\u4fee\u6539<\/td><\/tr><tr><td><strong><code>OPTIONS<\/code><\/strong><\/td><td>\u67e5\u8be2\u670d\u52a1\u5668\u652f\u6301\u7684**\u901a\u4fe1\u9009\u9879**\uff08\u5982\u5141\u8bb8\u7684\u8bf7\u6c42\u65b9\u6cd5\uff09<\/td><td>\u2713<\/td><td>\u2713<\/td><td>\u8de8\u57df\u8bf7\u6c42\u9884\u68c0\uff08CORS\uff09<\/td><\/tr><tr><td><strong><code>PATCH<\/code><\/strong><\/td><td><strong>\u90e8\u5206\u66f4\u65b0<\/strong>\u8d44\u6e90\uff08\u4fee\u6539\u5c40\u90e8\u5185\u5bb9\uff09<\/td><td>\u2717<\/td><td>\u2717<\/td><td>\u66f4\u65b0\u7528\u6237\u90ae\u7bb1\uff08\u4ec5\u4fee\u6539\u5355\u4e2a\u5b57\u6bb5\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u5173\u952e\u6982\u5ff5\u89e3\u91ca<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5e42\u7b49\u6027<\/strong>\uff1a\u591a\u6b21\u91cd\u590d\u8bf7\u6c42\u6548\u679c\u76f8\u540c\uff08\u5982 <code>GET<\/code> \u91cd\u590d\u6267\u884c\u4ecd\u8fd4\u56de\u76f8\u540c\u6570\u636e\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u5168\u6027<\/strong>\uff1a\u4e0d\u4fee\u6539\u670d\u52a1\u5668\u8d44\u6e90\uff08\u5982 <code>GET<\/code> \u53ea\u8bfb\uff0c<code>DELETE<\/code> \u4e0d\u5b89\u5168\uff09\u3002<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e8c\u3001\u6269\u5c55\u65b9\u6cd5\uff08\u5176\u4ed6\u534f\u8bae\u6216\u6846\u67b6\uff09<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u65b9\u6cd5<\/td><td>\u7528\u9014<\/td><td>\u5e38\u89c1\u573a\u666f<\/td><\/tr><tr><td><code>CONNECT<\/code><\/td><td>\u5efa\u7acb\u96a7\u9053\uff08\u7528\u4e8e HTTPS \u4ee3\u7406\uff09<\/td><td>\u4ee3\u7406\u670d\u52a1\u5668\u8f6c\u53d1 HTTPS \u8bf7\u6c42<\/td><\/tr><tr><td><code>TRACE<\/code><\/td><td>\u56de\u663e\u8bf7\u6c42\uff08\u7528\u4e8e\u8bca\u65ad\uff0c**\u5b58\u5728\u5b89\u5168\u98ce\u9669**\uff09<\/td><td>\u7f51\u7edc\u8c03\u8bd5\uff08\u901a\u5e38\u88ab\u7981\u7528\uff09<\/td><\/tr><tr><td><code>LINK<\/code> \/ <code>UNLINK<\/code><\/td><td>\u5efa\u7acb\/\u79fb\u9664\u8d44\u6e90\u5173\u8054\uff08**\u5df2\u5e9f\u5f03**\uff09<\/td><td>\u65e7\u7248 HTTP\uff08\u73b0\u7528\u8d85\u5a92\u4f53\u66ff\u4ee3\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e09\u3001\u65b9\u6cd5\u7279\u6027\u5bf9\u6bd4<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u7279\u6027<\/td><td>GET<\/td><td>POST<\/td><td>PUT<\/td><td>DELETE<\/td><td>PATCH<\/td><\/tr><tr><td><strong>\u53ef\u643a\u5e26\u8bf7\u6c42\u4f53<\/strong><\/td><td>\u2717<\/td><td>\u2713<\/td><td>\u2713<\/td><td>\u2713<\/td><td>\u2713<\/td><\/tr><tr><td><strong>\u7f13\u5b58\u652f\u6301<\/strong><\/td><td>\u2713<\/td><td>\u2717<\/td><td>\u2717<\/td><td>\u2717<\/td><td>\u2717<\/td><\/tr><tr><td><strong>\u6d4f\u89c8\u5668\u5386\u53f2\u8bb0\u5f55\u4fdd\u5b58<\/strong><\/td><td>\u2713<\/td><td>\u2717<\/td><td>\u2717<\/td><td>\u2717<\/td><td>\u2717<\/td><\/tr><tr><td><strong>\u8868\u5355\u652f\u6301<\/strong><\/td><td>\u2713<\/td><td>\u2713<\/td><td>\u2717<\/td><td>\u2717<\/td><td>\u2717<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u56db\u3001\u5b9e\u9645\u4f7f\u7528\u793a\u4f8b<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. <strong>RESTful API \u8bbe\u8ba1<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>GET    \/users          \u2192 \u83b7\u53d6\u7528\u6237\u5217\u8868\nPOST   \/users          \u2192 \u521b\u5efa\u65b0\u7528\u6237\nGET    \/users\/{id}     \u2192 \u83b7\u53d6\u5355\u4e2a\u7528\u6237\nPUT    \/users\/{id}     \u2192 \u5168\u91cf\u66f4\u65b0\u7528\u6237\nPATCH  \/users\/{id}     \u2192 \u90e8\u5206\u66f4\u65b0\u7528\u6237\uff08\u5982\u4fee\u6539\u5bc6\u7801\uff09\nDELETE \/users\/{id}     \u2192 \u5220\u9664\u7528\u6237<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2. <strong>HTML \u8868\u5355\u652f\u6301\u7684\u65b9\u6cd5<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;form method=\"POST\"&gt;        &lt;!-- \u4ec5\u652f\u6301 GET\/POST --&gt;\n  &lt;input type=\"hidden\" name=\"_method\" value=\"PUT\"&gt; &lt;!-- \u6846\u67b6\uff08\u5982 Rails\uff09\u901a\u8fc7\u6b64\u5b57\u6bb5\u6a21\u62df PUT --&gt;\n&lt;\/form&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e94\u3001\u5e38\u89c1\u95ee\u9898<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Q1: <strong>POST \u548c PUT \u7684\u533a\u522b\uff1f<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>POST<\/code> \u2192 **\u521b\u5efa\u65b0\u8d44\u6e90**\uff08\u5982\u63d0\u4ea4\u8ba2\u5355\uff0c\u6bcf\u6b21\u63d0\u4ea4\u751f\u6210\u65b0\u8ba2\u5355\u53f7\uff09\u3002<\/li>\n\n\n\n<li><code>PUT<\/code> \u2192 **\u66ff\u6362\u5df2\u6709\u8d44\u6e90**\uff08\u5982\u66f4\u65b0\u7528\u6237 ID=123 \u7684\u5168\u90e8\u4fe1\u606f\uff0c\u591a\u6b21\u8c03\u7528\u7ed3\u679c\u4e0d\u53d8\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Q2: <strong>PUT \u548c PATCH \u7684\u533a\u522b\uff1f<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>PUT<\/code>\uff1a\u66f4\u65b0**\u6574\u4e2a\u8d44\u6e90**\uff08\u9700\u63d0\u4ea4\u5b8c\u6574\u5b57\u6bb5\uff09\u3002<\/li>\n\n\n\n<li><code>PATCH<\/code>\uff1a\u66f4\u65b0**\u90e8\u5206\u5b57\u6bb5**\uff08\u53ea\u9700\u63d0\u4ea4\u9700\u4fee\u6539\u7684\u5b57\u6bb5\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Q3: <strong>\u4e3a\u4ec0\u4e48 OPTIONS \u65b9\u6cd5\u7528\u4e8e\u8de8\u57df\uff1f<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d4f\u89c8\u5668\u5728\u53d1\u9001\u8de8\u57df\u8bf7\u6c42\u524d\uff0c\u81ea\u52a8\u53d1\u8d77 <code>OPTIONS<\/code> \u9884\u68c0\u8bf7\u6c42\uff0c\u68c0\u67e5\u670d\u52a1\u5668\u662f\u5426\u5141\u8bb8\u5b9e\u9645\u8bf7\u6c42\u7684\u65b9\u6cd5\uff08\u5982 <code>DELETE<\/code>\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u516d\u3001\u72b6\u6001\u7801\u4e0e\u65b9\u6cd5\u5339\u914d<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u65b9\u6cd5<\/td><td>\u6210\u529f\u72b6\u6001\u7801<\/td><td>\u9519\u8bef\u72b6\u6001\u7801<\/td><\/tr><tr><td><code>GET<\/code><\/td><td><code>200 OK<\/code><\/td><td><code>404 Not Found<\/code><\/td><\/tr><tr><td><code>POST<\/code><\/td><td><code>201 Created<\/code><\/td><td><code>400 Bad Request<\/code><\/td><\/tr><tr><td><code>PUT<\/code><\/td><td><code>200 OK<\/code> \u6216 <code>204 No Content<\/code><\/td><td><code>409 Conflict<\/code><\/td><\/tr><tr><td><code>DELETE<\/code><\/td><td><code>204 No Content<\/code><\/td><td><code>403 Forbidden<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\u662f\u7406\u89e3 <strong>RESTful API \u8bbe\u8ba1<\/strong> \u548c <strong>Web \u5f00\u53d1<\/strong> \u7684\u57fa\u7840\uff01<\/p>\n<\/blockquote>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li>GET\u8bf7\u6c42\u548cPOST\u8bf7\u6c42\u7684\u533a\u522b<\/li>\n<\/ol>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>get\u8bf7\u6c42\u65f6\u7528\u4e8e\u83b7\u53d6\u6570\u636e\uff0cpost\u8bf7\u6c42\u7528\u4e8e\u63d0\u4ea4\u6570\u636e<\/li>\n\n\n\n<li>get\u8bf7\u6c42\u591a\u6b21\u91cd\u590d\u8bf7\u6c42\u83b7\u53d6\u7684\u662f\u4e00\u6837\u7684\u6570\u636e\uff0c\u6240\u4ee5\u5b83\u5177\u6709\u5e42\u7b49\u6027\u3002post\u8bf7\u6c42\u6bcf\u6b21\u63d0\u4ea4\u7684\u6570\u636e\u4e0d\u4e00\u6837\uff0c\u4e0d\u5177\u6709\u5e42\u7b49\u6027\u3002<\/li>\n\n\n\n<li>get\u8bf7\u6c42\u5c06\u53c2\u6570\u653e\u5728url\u4e4b\u540e\uff0cpost\u8bf7\u6c42\u5c06\u53c2\u6570\u653e\u5728\u8bf7\u6c42\u4f53\u4e2d\u3002<\/li>\n\n\n\n<li>\u6b63\u56e0\u4e3aget\u8bf7\u6c42\u5c06\u53c2\u6570\u653e\u5728url\u4e2d\uff0c\u6240\u4ee5get\u8bf7\u6c42\u7684\u5b89\u5168\u6027\u66f4\u4f4e\uff1bpost\u8bf7\u6c42\u5c06\u53c2\u6570\u653e\u5728\u8bf7\u6c42\u4f53\u91cd\uff0cpost\u8bf7\u6c42\u7684\u5b89\u5168\u6027\u66f4\u9ad8\u3002<\/li>\n\n\n\n<li>get\u8bf7\u6c42\u53d7\u5230url\u7684\u957f\u5ea6\u9650\u5236\uff0cpost\u8bf7\u6c42\u7406\u8bba\u4e0a\u65e0\u9650\u5236\u3002<\/li>\n\n\n\n<li>get\u8bf7\u6c42\u53ef\u4ee5\u88ab\u7f13\u5b58\uff0cpost\u8bf7\u6c42\u4e0d\u80fd\u88ab\u7f13\u5b58\u3002<\/li>\n<\/ol>\n\n\n\n<ol start=\"6\" class=\"wp-block-list\">\n<li>HTTP\u4e2d\u5e38\u89c1\u7684\u72b6\u6001\u7801\u6709\u54ea\u4e9b\uff1f<\/li>\n<\/ol>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>2xx<\/code> \u8868\u793a\u6210\u529f\n<ol class=\"wp-block-list\">\n<li>200 \u8868\u793a\u5ba2\u6237\u7aef\u8bf7\u6c42\u6210\u529f\u3002<\/li>\n\n\n\n<li>201 \u8868\u793a\u521b\u5efa\u4e86\u65b0\u8d44\u6e90\u3002<\/li>\n\n\n\n<li>204 \u8868\u793a\u65e0\u5185\u5bb9\uff0c\u670d\u52a1\u5668\u6210\u529f\u5904\u7406\u8bf7\u6c42\uff0c\u4f46\u662f\u65e0\u5185\u5bb9\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><code>3xx<\/code> \u8868\u793a\u91cd\u5b9a\u5411\n<ol class=\"wp-block-list\">\n<li>301 \u8868\u793a\u6c38\u4e45\u91cd\u5b9a\u5411\u3002<\/li>\n\n\n\n<li>302 \u8868\u793a\u4e34\u65f6\u91cd\u5b9a\u5411\u3002<\/li>\n\n\n\n<li>304 \u8868\u793a\u8bf7\u6c42\u7684\u5185\u5bb9\u672a\u88ab\u4fee\u6539\u8fc7\uff0c\u670d\u52a1\u5668\u8fd4\u56de\u65f6\u4f7f\u7528\u7f13\u5b58\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><code>4xx<\/code> \u8868\u793a\u5ba2\u6237\u7aef\u9519\u8bef\n<ol class=\"wp-block-list\">\n<li>401 \u8868\u793a\u8bf7\u6c42\u9700\u8981\u8eab\u4efd\u9a8c\u8bc1\u3002<\/li>\n\n\n\n<li>403 \u8868\u793a\u8bf7\u6c42\u7684\u5bf9\u5e94\u8d44\u6e90\u7981\u6b62\u8bbf\u95ee\u3002<\/li>\n\n\n\n<li>404 \u8868\u793a\u670d\u52a1\u5668\u65e0\u6cd5\u627e\u5230\u5bf9\u5e94\u8d44\u6e90\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><code>5xx<\/code> \u8868\u793a\u670d\u52a1\u7aef\u9519\u8bef\n<ol class=\"wp-block-list\">\n<li>500 \u8868\u793a\u670d\u52a1\u5668\u5185\u90e8\u9519\u8bef\u3002<\/li>\n\n\n\n<li>503 \u8868\u793a\u670d\u52a1\u4e0d\u53ef\u7528\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"7\" class=\"wp-block-list\">\n<li>HTTP\u4e2d\uff0c\u4ec0\u4e48\u662f\u5f3a\u7f13\u5b58\u548c\u534f\u5546\u7f13\u5b58\uff1f<\/li>\n<\/ol>\n\n\n\n<p>\u5f3a\u7f13\u5b58\u548c\u534f\u5546\u7f13\u5b58\u662fHTTP\u7f13\u5b58\u673a\u5236\u7684\u4e24\u79cd\u7c7b\u578b\uff0c\u5b83\u4eec\u7528\u4e8e\u51cf\u5c11\u670d\u52a1\u5668\u7684\u8d1f\u62c5\u548c\u63d0\u9ad8\u7f51\u9875\u52a0\u8f7d\u901f\u5ea6\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u5f3a\u7f13\u5b58<\/strong>\uff1a\u5ba2\u6237\u7aef\u5728\u6ca1\u6709\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u7684\u60c5\u51b5\u4e0b\uff0c\u76f4\u63a5\u4ece\u672c\u5730\u7f13\u5b58\u4e2d\u83b7\u53d6\u8d44\u6e90\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>Expires\u5f3a\u7f13\u5b58<\/code>\uff1a\u8bbe\u7f6e\u4e00\u4e2a\u5f3a\u7f13\u5b58\u65f6\u95f4\uff0c\u6b64\u65f6\u95f4\u8303\u56f4\u5185\uff0c\u4ece\u5185\u5b58\u4e2d\u8bfb\u53d6\u7f13\u5b58\u5e76\u8fd4\u56de\u3002\u4f46\u662f\u56e0\u4e3a<code>Expires<\/code>\u5224\u65ad\u5f3a\u7f13\u5b58\u8fc7\u671f\u7684\u673a\u5236\u662f\u83b7\u53d6\u672c\u5730\u65f6\u95f4\u6233\uff0c\u4e0e\u4e4b\u524d\u62ff\u5230\u7684\u8d44\u6e90\u6587\u4ef6\u4e2d\u7684<code>Expires<\/code>\u5b57\u6bb5\u7684\u65f6\u95f4\u505a\u6bd4\u8f83\u6765\u5224\u65ad\u662f\u5426\u9700\u8981\u5bf9\u670d\u52a1\u5668\u53d1\u8d77\u8bf7\u6c42\u3002\u8fd9\u91cc\u6709\u4e00\u4e2a\u5de8\u5927\u7684\u6f0f\u6d1e\uff1a\u201c\u5982\u679c\u6211\u672c\u5730\u65f6\u95f4\u4e0d\u51c6\u548b\u529e\uff1f\u201d\u6240\u4ee5\u76ee\u524d\u5df2\u7ecf\u88ab\u5e9f\u5f03\u4e86\u3002<\/li>\n\n\n\n<li><code>Cache-Control\u5f3a\u7f13\u5b58<\/code>\uff1a\u76ee\u524d\u4f7f\u7528\u7684\u5f3a\u7f13\u5b58\u662f\u901a\u8fc7HTTP\u54cd\u5e94\u5934\u4e2d\u7684<code>Cache-Control<\/code>\u5b57\u6bb5\u5b9e\u73b0\uff0c\u901a\u8fc7<code>max-age<\/code>\uff08\u59823600s\uff09\u6765\u544a\u8bc9\u6d4f\u89c8\u5668\u5728\u6307\u5b9a\u65f6\u95f4\u5185\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7f13\u5b58\u6570\u636e\uff0c\u65e0\u9700\u518d\u6b21\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u534f\u5546\u7f13\u5b58<\/strong>\uff1a\u5f53\u5f3a\u7f13\u5b58\u5931\u6548\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u53d1\u9001\u8bf7\u6c42\u5230\u670d\u52a1\u5668\uff0c\u901a\u8fc7<code>ETag<\/code>\u6216<code>Last-Modified<\/code>\u7b49HTTP\u54cd\u5e94\u5934\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u9a8c\u8bc1\uff0c\u4ee5\u786e\u5b9a\u8d44\u6e90\u662f\u5426\u88ab\u4fee\u6539\u3002\u5982\u679c\u8d44\u6e90\u672a\u4fee\u6539\uff0c\u670d\u52a1\u5668\u8fd4\u56de<code>304 Not Modified<\/code>\u72b6\u6001\u7801\uff0c\u544a\u77e5\u6d4f\u89c8\u5668\u4f7f\u7528\u672c\u5730\u7f13\u5b58\uff1b\u5982\u679c\u8d44\u6e90\u5df2\u4fee\u6539\uff0c\u5219\u8fd4\u56de\u65b0\u7684\u8d44\u6e90\uff0c\u6d4f\u89c8\u5668\u66f4\u65b0\u672c\u5730\u7f13\u5b58\u3002\u8fd9\u79cd\u65b9\u5f0f\u9700\u8981\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\uff0c\u4f46\u53ef\u4ee5\u786e\u4fdd\u7528\u6237\u603b\u662f\u83b7\u53d6\u6700\u65b0\u7684\u5185\u5bb9\u3002<\/li>\n<\/ol>\n\n\n\n<ol start=\"8\" class=\"wp-block-list\">\n<li>HTTP1.0\u548cHTTP1.1\u7684\u533a\u522b<\/li>\n<\/ol>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>\u6301\u4e45\u8fde\u63a5<\/code>: \u6700\u5927\u533a\u522b\u662f\uff1ahttp 1.0 \u4f7f\u7528\u77ed\u8fde\u63a5\uff0chttp1.1 \u4f7f\u7528\u957f\u8fde\u63a5\u3002\u5f53\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u8981\u4ea4\u6362\u4e0d\u6b62\u4e00\u6b21\u8d44\u6e90\u7684\u65f6\u5019\uff0c\u6bd4\u5982\u6211\u4eec\u8981\u8bbf\u95ee\u4e00\u4e2a\u7f51\u9875\uff0c\u9700\u8981\u83b7\u53d6\u591a\u4e2a\u8d44\u6e90\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u53d1\u9001\u591a\u4e2aget\u8bf7\u6c42\u30021.0\u9700\u8981\u5efa\u7acb\u591a\u4e2a\u8fde\u63a5\uff0c\u800c1.1\u53ea\u9700\u5efa\u7acb\u4e00\u6b21\u8fde\u63a5\uff0c\u8282\u7701\u4e86\u5efa\u7acb\u8fde\u63a5\u7684\u6027\u80fd\u6d88\u8017\u3002<\/li>\n\n\n\n<li><code>\u7ba1\u9053\u4f20\u8f93<\/code>: http 1.1 \u652f\u6301\u7ba1\u9053\u7f51\u7edc\u4f20\u8f93\u3002\u4e0d\u9700\u8981\u7b49\u5230\u7b2c\u4e00\u4e2a\u8bf7\u6c42\u7ed3\u675f\u5373\u53ef\u53d1\u9001\u7b2c\u4e8c\u4e2a\u8bf7\u6c42\u3002\u8fd9\u540c\u65f6\u4e5f\u4f1a\u5e26\u6765\u4e00\u4e9b\u95ee\u9898\uff0c\u670d\u52a1\u7aef\u9700\u8981\u6309\u7167\u63a5\u6536\u8bf7\u6c42\u62a5\u6587\u7684\u987a\u5e8f\u505a\u51fa\u54cd\u5e94\uff0c\u82e5\u8bf7\u6c42\u62a5\u6587\u4e22\u5931\uff0c\u5219\u53ef\u80fd\u9020\u6210\u54cd\u5e94\u961f\u5934\u963b\u585e\u3002<\/li>\n\n\n\n<li><code>\u65b0\u589e\u72b6\u6001\u7801<\/code>: \u6bd4\u5982 <code>100 continue<\/code>\uff0c\u4e30\u5bcc\u4e86\u72b6\u6001\u4fe1\u606f\u3002\u5982 <code>206 partial content<\/code>\uff0c\u8d44\u6e90\u53ea\u8fd4\u56de\u4e86\u8bf7\u6c42\u6240\u9700\u6c42\u7684\u4e00\u90e8\u5206\u3002\u800chttp 1.0\u4e2d\u4e0d\u5141\u8bb8\u8fd9\u6837\uff0c\u53ea\u80fd\u83b7\u53d6\u6574\u4e2a\u8d44\u6e90\uff0c\u8fd9\u4f1a\u9020\u6210\u5e26\u5bbd\u7684\u6d6a\u8d39\u3002<\/li>\n\n\n\n<li><code>\u7f13\u5b58\u63a7\u5236<\/code>: http1.0\u4e3b\u8981\u4f7f\u7528<code>If-Modified-Since<\/code> \u548c <code>Expires<\/code>, \u800chttp1.1\u5219\u5f15\u5165\u4e86\u66f4\u591a\u7684\u7f13\u5b58\u63a7\u5236\u7b56\u7565\u5982<code>Etag<\/code> \u548c <code>If-None-Match<\/code>\u3002<\/li>\n\n\n\n<li><code>Host\u5934<\/code>: http 1.1 \u5f15\u5165\u4e86host\u5934\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u6307\u5b9a\u8bf7\u6c42\u7684\u4e3b\u673a\u540d\uff0c\u8fd9\u4f7f\u5f97\u5728\u540c\u4e00\u53f0\u4e3b\u673a\u4e0a\u6258\u7ba1\u591a\u4e2a\u57df\u540d\u6210\u4e3a\u53ef\u80fd\u3002<\/li>\n<\/ol>\n\n\n\n<ol start=\"9\" class=\"wp-block-list\">\n<li>HTTP2.0\u4e0eHTTP1.1\u7684\u533a\u522b\uff1f<\/li>\n<\/ol>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>\u4e8c\u8fdb\u5236\u534f\u8bae<\/code>: http2.0 \u4f7f\u7528\u4e8c\u8fdb\u5236\u4f20\u8f93\uff0c1.1\u4f7f\u7528\u6587\u672c\u4f20\u8f93\u3002<\/li>\n\n\n\n<li><code>\u591a\u8def\u590d\u7528<\/code>: \u652f\u6301\u591a\u8def\u590d\u7528\uff0c\u5141\u8bb8<strong>\u5355\u4e2a\u8fde\u63a5\u4e0a<\/strong><strong>\u5e76\u884c<\/strong><strong>\u4ea4\u9519\u53d1\u9001\u591a\u4e2a\u8bf7\u6c42\u548c\u54cd\u5e94<\/strong>\uff0c\u89e3\u51b3\u4e861.1\u7684<strong>\u961f\u5934\u963b\u585e<\/strong>\u95ee\u9898\u3002<\/li>\n\n\n\n<li><code>\u5934\u90e8\u538b\u7f29<\/code>:\u5f15\u5165HPACK\u538b\u7f29\u7b97\u6cd5\uff0c\u5bf9\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u5934\u90e8\u4fe1\u606f\u8fdb\u884c\u538b\u7f29\uff0c\u51cf\u5c11\u4e86\u5197\u4f59\u4fe1\u606f\u7684\u4f20\u8f93\u3002<\/li>\n\n\n\n<li><code>\u670d\u52a1\u5668\u63a8\u9001<\/code>:\u5141\u8bb8\u670d\u52a1\u5668\u4e3b\u52a8\u63a8\u9001\u6570\u636e\u7ed9\u5ba2\u6237\u7aef\uff0c\u51cf\u5c11\u9875\u9762\u52a0\u8f7d\u65f6\u95f4<\/li>\n\n\n\n<li><code>\u4f18\u5148\u7ea7\u548c\u4f9d\u8d56<\/code>: \u5141\u8bb8\u5ba2\u6237\u7aef\u4e3a\u8bf7\u6c42\u8bbe\u7acb\u4f18\u5148\u7ea7\u3002<\/li>\n<\/ol>\n\n\n\n<ol start=\"10\" class=\"wp-block-list\">\n<li>HTTP3.0\u6709\u4e86\u89e3\u8fc7\u5417\uff1f<\/li>\n<\/ol>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>QUIC<\/code> \u534f\u8bae\uff1ahttp 3.0 \u6700\u5927\u7684\u7279\u70b9\u662f\u653e\u5f03\u4e86TCP\u534f\u8bae\uff0c\u8f6c\u800c\u4f7f\u7528\u57fa\u4e8eUDP\u7684QUIC\u534f\u8bae\u3002\u907f\u514d\u4e86TCP\u961f\u5934\u963b\u585e\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u9ed8\u8ba4\u4f7f\u7528<code>TLS<\/code>\u3002<\/li>\n\n\n\n<li><code>0-RTT\u4e0e1-RTT\u5feb\u901f\u63e1\u624b<\/code>\uff1a\u901a\u8fc7\u96c6\u6210TLS 1.3\uff0c\u9996\u6b21\u8fde\u63a5\u4ec5\u97001\u6b21\u5f80\u8fd4\uff081-RTT\uff09\uff0c\u91cd\u590d\u8fde\u63a5\u53ef\u5b9e\u73b00-RTT\uff08\u65e0\u9700\u63e1\u624b\uff09\uff0c\u663e\u8457\u63d0\u5347\u9875\u9762\u52a0\u8f7d\u901f\u5ea6.<\/li>\n\n\n\n<li>\u591a\u8def\u590d\u7528\u4e0e\u6d41\u9694\u79bb:\n<ol 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