{"id":34538,"date":"2025-04-30T01:50:42","date_gmt":"2025-04-29T17:50:42","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/34538.html"},"modified":"2025-04-30T01:50:42","modified_gmt":"2025-04-29T17:50:42","slug":"http%e5%8d%8f%e8%ae%ae%e8%af%a6%e8%a7%a3%e9%99%84%e5%b8%a6c-c%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%92%8c%e5%ae%a2%e6%88%b7%e7%ab%af%e6%ba%90%e7%a0%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/34538.html","title":{"rendered":"http\u534f\u8bae\u8be6\u89e3\u9644\u5e26c\/c++\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u6e90\u7801"},"content":{"rendered":"<\/p>\n<h4>http\u8be6\u89e3<\/h4>\n<ul>\n<li>\u4ee3\u7801\u90e8\u5206<\/li>\n<li>\n<ul>\n<li>HTTP\u8bf7\u6c42\u7ed3\u6784\u793a\u4f8b<\/li>\n<li>HTTP\u5ba2\u6237\u7aef\u5b9e\u73b0&#xff08;\u4f7f\u7528Linux\u7cfb\u7edf\u8c03\u7528&#xff09;<\/li>\n<li>\u7b80\u6613HTTP\u670d\u52a1\u5668\u5b9e\u73b0<\/li>\n<\/ul>\n<\/li>\n<li>\u6df1\u5165\u89e3\u6790HTTP\u534f\u8bae&#xff1a;\u4ece\u57fa\u7840\u5230\u5b9e\u8df5<\/li>\n<li>\n<ul>\n<li>1. HTTP\u534f\u8bae\u6838\u5fc3\u6982\u5ff5<\/li>\n<li>\n<ul>\n<li>1.1 \u534f\u8bae\u672c\u8d28\u89e3\u8bfb<\/li>\n<li>1.2 \u901a\u4fe1\u6a21\u578b\u8be6\u89e3<\/li>\n<\/ul>\n<\/li>\n<li>2. \u6293\u5305\u5206\u6790\u5b9e\u6218<\/li>\n<li>\n<ul>\n<li>2.1 Fiddler\u5de5\u5177\u5999\u7528<\/li>\n<li>2.2 \u62a5\u6587\u7ed3\u6784\u62c6\u89e3<\/li>\n<\/ul>\n<\/li>\n<li>3. \u8bf7\u6c42\u6df1\u5ea6\u89e3\u6790<\/li>\n<li>\n<ul>\n<li>3.1 URL\u7f16\u7801\u827a\u672f<\/li>\n<li>3.2 \u65b9\u6cd5\u8bed\u4e49\u5256\u6790<\/li>\n<li>3.3 \u5934\u90e8\u5b57\u6bb5\u7cbe\u8981<\/li>\n<\/ul>\n<\/li>\n<li>4. \u54cd\u5e94\u5173\u952e\u8981\u7d20<\/li>\n<li>\n<ul>\n<li>4.1 \u72b6\u6001\u7801\u5206\u7c7b\u6307\u5357<\/li>\n<li>4.2 \u54cd\u5e94\u5934\u89e3\u6790<\/li>\n<\/ul>\n<\/li>\n<li>5. \u8bf7\u6c42\u6784\u9020\u5b9e\u6218<\/li>\n<li>\n<ul>\n<li>5.1 \u4f20\u7edf\u8868\u5355\u65b9\u5f0f<\/li>\n<li>5.2 \u73b0\u4ee3AJAX\u65b9\u5f0f<\/li>\n<\/ul>\n<\/li>\n<li>6. \u5b89\u5168\u8fdb\u9636\u8981\u70b9<\/li>\n<li>7. \u6027\u80fd\u4f18\u5316\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u4ee3\u7801\u90e8\u5206<\/h2>\n<p>\u6d4b\u8bd5\u6548\u679c <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429175040-68111170f0dc0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429175041-681111715aa52.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429175041-681111718be71.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>HTTP\u8bf7\u6c42\u7ed3\u6784\u793a\u4f8b<\/h3>\n<p><span class=\"token comment\">\/\/ \u6784\u9020\u4e00\u4e2a\u7b80\u5355\u7684GET\u8bf7\u6c42<\/span><br \/>\nstd<span class=\"token operator\">::<\/span>string <span class=\"token function\">build_http_request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>string request <span class=\"token operator\">&#061;<\/span><br \/>\n        <span class=\"token string\">&#034;GET \/ HTTP\/1.1\\\\r\\\\n&#034;<\/span>        <span class=\"token comment\">\/\/ \u8bf7\u6c42\u884c&#xff1a;\u65b9\u6cd5 \u8def\u5f84 \u534f\u8bae\u7248\u672c<\/span><br \/>\n        <span class=\"token string\">&#034;Host: example.com\\\\r\\\\n&#034;<\/span>     <span class=\"token comment\">\/\/ \u5fc5\u9700\u7684\u9996\u90e8\u5b57\u6bb5<\/span><br \/>\n        <span class=\"token string\">&#034;User-Agent: C&#043;&#043;_Demo\\\\r\\\\n&#034;<\/span>  <span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u6807\u8bc6<\/span><br \/>\n        <span class=\"token string\">&#034;Connection: close\\\\r\\\\n&#034;<\/span>     <span class=\"token comment\">\/\/ \u8bf7\u6c42\u540e\u5173\u95ed\u8fde\u63a5<\/span><br \/>\n        <span class=\"token string\">&#034;\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span>                     <span class=\"token comment\">\/\/ \u7a7a\u884c\u7ed3\u675f\u5934\u90e8<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> request<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>HTTP\u5ba2\u6237\u7aef\u5b9e\u73b0&#xff08;\u4f7f\u7528Linux\u7cfb\u7edf\u8c03\u7528&#xff09;<\/h3>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">http_client<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_STREAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    sockaddr_in server_addr<span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    server_addr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    server_addr<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8080<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ HTTP\u9ed8\u8ba4\u7aef\u53e3<\/span><br \/>\n    <span class=\"token function\">inet_pton<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;127.0.0.1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>server_addr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ example.com\u7684IP<\/span><\/p>\n<p>    <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>sockaddr<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>server_addr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    std<span class=\"token operator\">::<\/span>string request <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">build_http_request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">4096<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>ssize_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recv<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>cout<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<li>HTTP\u54cd\u5e94\u89e3\u6790 \u5178\u578b\u54cd\u5e94\u7ed3\u6784&#xff1a;<\/li>\n<p>HTTP\/1.1 200 OK\\\\r\\\\n<br \/>\nContent-Type: text\/html\\\\r\\\\n<br \/>\nContent-Length: 1256\\\\r\\\\n<br \/>\n\\\\r\\\\n<br \/>\n&lt;!DOCTYPE html&gt;&#8230;<\/p>\n<h3>\u7b80\u6613HTTP\u670d\u52a1\u5668\u5b9e\u73b0<\/h3>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">http_server<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> server_fd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_STREAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    sockaddr_in addr<span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    addr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    addr<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8080<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    addr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> INADDR_ANY<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>server_fd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>sockaddr<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>addr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>server_fd<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> client <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>server_fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> request<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">recv<\/span><span class=\"token punctuation\">(<\/span>client<span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> response <span class=\"token operator\">&#061;<\/span><br \/>\n            <span class=\"token string\">&#034;HTTP\/1.1 200 OK\\\\r\\\\n&#034;<\/span><br \/>\n            <span class=\"token string\">&#034;Content-Type: text\/plain\\\\r\\\\n&#034;<\/span><br \/>\n            <span class=\"token string\">&#034;Content-Length: 12\\\\r\\\\n\\\\r\\\\n&#034;<\/span><br \/>\n            <span class=\"token string\">&#034;Hello World!&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>client<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>client<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u7279\u6027\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u65e0\u72b6\u6001\u534f\u8bae&#xff1a;\u6bcf\u4e2a\u8bf7\u6c42\u72ec\u7acb&#xff0c;\u670d\u52a1\u5668\u4e0d\u4fdd\u7559\u5ba2\u6237\u7aef\u72b6\u6001&#xff08;\u4f9d\u8d56Cookies\/Session\u7ef4\u62a4\u72b6\u6001&#xff09;<\/li>\n<li>\u8bf7\u6c42\u65b9\u6cd5&#xff1a;GET&#xff08;\u83b7\u53d6&#xff09;\u3001POST&#xff08;\u63d0\u4ea4&#xff09;\u3001PUT&#xff08;\u66f4\u65b0&#xff09;\u3001DELETE&#xff08;\u5220\u9664&#xff09;\u7b49<\/li>\n<li>\u72b6\u6001\u7801&#xff1a;\n<ul>\n<li>1xx \u4fe1\u606f\u54cd\u5e94<\/li>\n<li>2xx \u6210\u529f&#xff08;200 OK&#xff09;<\/li>\n<li>3xx \u91cd\u5b9a\u5411&#xff08;301 \u6c38\u4e45\u79fb\u52a8&#xff09;<\/li>\n<li>4xx \u5ba2\u6237\u7aef\u9519\u8bef&#xff08;404 \u672a\u627e\u5230&#xff09;<\/li>\n<li>5xx \u670d\u52a1\u5668\u9519\u8bef&#xff08;500 \u5185\u90e8\u9519\u8bef&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\u6301\u4e45\u8fde\u63a5&#xff1a;HTTP\/1.1\u9ed8\u8ba4\u4fdd\u6301\u8fde\u63a5&#xff08;\u4ee3\u7801\u793a\u4f8b\u4e2d\u901a\u8fc7Connection: close\u663e\u5f0f\u5173\u95ed&#xff09;<\/li>\n<li>\u5185\u5bb9\u534f\u5546&#xff1a;\u901a\u8fc7Accept\u5934\u5b9e\u73b0\u6570\u636e\u7c7b\u578b\u534f\u5546<\/li>\n<\/ul>\n<p>\u4ee3\u7801\u8bf4\u660e&#xff1a;<\/p>\n<li>\u5ba2\u6237\u7aef\u793a\u4f8b\u6f14\u793a\u4e86TCP\u8fde\u63a5\u5efa\u7acb\u3001HTTP\u8bf7\u6c42\u53d1\u9001\u548c\u54cd\u5e94\u63a5\u6536\u7684\u5168\u8fc7\u7a0b<\/li>\n<li>\u670d\u52a1\u5668\u5b9e\u73b0\u4e86\u4e00\u4e2a\u5355\u7ebf\u7a0b\u7684\u7b80\u6613HTTP\u670d\u52a1&#xff0c;\u56fa\u5b9a\u8fd4\u56de&#034;Hello World!&#034;<\/li>\n<li>\u5b9e\u9645\u5e94\u7528\u9700\u5904\u7406&#xff1a;\u591a\u7ebf\u7a0b\u3001\u8bf7\u6c42\u89e3\u6790\u3001\u8def\u7531\u5339\u914d\u3001\u5185\u5bb9\u751f\u6210\u7b49\u590d\u6742\u60c5\u51b5 \u5efa\u8bae\u6539\u8fdb\u65b9\u5411&#xff1a;<\/li>\n<ul>\n<li>\u4f7f\u7528\u975e\u963b\u585eIO\u5b9e\u73b0\u9ad8\u5e76\u53d1&#xff08;epoll\/kqueue&#xff09;<\/li>\n<li>\u652f\u6301HTTPS\u52a0\u5bc6\u901a\u4fe1&#xff08;\u9700\u8981SSL\/TLS\u96c6\u6210&#xff09;<\/li>\n<li>\u6dfb\u52a0\u8bf7\u6c42\u89e3\u6790\u548c\u8def\u7531\u5206\u53d1\u529f\u80fd<\/li>\n<li>\u5b9e\u73b0\u6301\u4e45\u8fde\u63a5\u548c\u6d41\u6c34\u7ebf\u5904\u7406<\/li>\n<\/ul>\n<h2>\u6df1\u5165\u89e3\u6790HTTP\u534f\u8bae&#xff1a;\u4ece\u57fa\u7840\u5230\u5b9e\u8df5<\/h2>\n<h3>1. HTTP\u534f\u8bae\u6838\u5fc3\u6982\u5ff5<\/h3>\n<h4>1.1 \u534f\u8bae\u672c\u8d28\u89e3\u8bfb<\/h4>\n<p>HTTP&#xff08;\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae&#xff09;\u5982\u540c\u6570\u5b57\u4e16\u754c\u7684&#034;\u7269\u6d41\u7cfb\u7edf&#034;&#xff0c;\u8d1f\u8d23\u5c06\u7f51\u9875\u5185\u5bb9\u4ece\u670d\u52a1\u5668\u7cbe\u51c6\u9001\u8fbe\u7528\u6237\u6d4f\u89c8\u5668\u3002\u8fd9\u4e2a\u5e94\u7528\u5c42\u534f\u8bae\u57fa\u4e8eTCP\/IP\u6784\u5efa\u4f20\u8f93\u901a\u9053&#xff08;HTTP\/3\u5f00\u59cb\u91c7\u7528UDP&#xff09;&#xff0c;\u5176\u6838\u5fc3\u7279\u70b9\u662f&#034;\u8bf7\u6c42-\u54cd\u5e94&#034;\u7684\u5bf9\u8bdd\u6a21\u5f0f\u3002\u60f3\u8c61\u4e24\u4f4d\u8003\u53e4\u5b66\u5bb6\u901a\u8fc7\u536b\u661f\u7535\u8bdd\u4ea4\u6d41&#xff1a;\u7532\u53d1\u51fa\u63a2\u6d4b\u8bf7\u6c42&#xff0c;\u4e59\u56de\u590d\u6316\u6398\u7ed3\u679c&#xff0c;\u8fd9\u79cd\u5355\u5411\u4ea4\u66ff\u901a\u4fe1\u6b63\u662fHTTP\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002<\/p>\n<p>\u534f\u8bae\u6f14\u53d8\u8d8b\u52bf&#xff1a;<\/p>\n<ul>\n<li>HTTP\/1.0\/1.1&#xff1a;\u7ecf\u5178TCP\u5b9e\u73b0<\/li>\n<li>HTTP\/2&#xff1a;\u6027\u80fd\u4f18\u5316\u7684TCP\u7248\u672c<\/li>\n<li>HTTP\/3&#xff1a;\u9769\u547d\u6027\u7684UDP\u5b9e\u73b0<\/li>\n<\/ul>\n<p>\u5c0f\u77e5\u8bc6&#xff1a;HTTPS&#061;HTTP&#043;SSL\/TLS\u52a0\u5bc6\u5916\u8863&#xff0c;\u5982\u540c\u7ed9\u666e\u901a\u90ae\u8f66\u52a0\u88c5\u9632\u5f39\u88c5\u7532<\/p>\n<h4>1.2 \u901a\u4fe1\u6a21\u578b\u8be6\u89e3<\/h4>\n<p>\u5b8c\u6574\u7684HTTP\u4ea4\u4e92\u5982\u540c\u7cbe\u5fc3\u7f16\u6392\u7684\u53cc\u4eba\u821e&#xff1a;<\/p>\n<li>\u5ba2\u6237\u7aef&#xff08;\u6d4f\u89c8\u5668&#xff09;\u53d1\u8d77\u8bf7\u6c42<\/li>\n<li>\u670d\u52a1\u5668\u89e3\u6790\u5904\u7406\u8bf7\u6c42<\/li>\n<li>\u670d\u52a1\u5668\u8fd4\u56de\u5904\u7406\u7ed3\u679c<\/li>\n<li>\u5ba2\u6237\u7aef\u89e3\u6790\u6e32\u67d3\u7ed3\u679c<\/li>\n<p>\u4ea4\u4e92\u6d41\u7a0b\u56fe\u89e3&#xff1a;<\/p>\n<p>[\u6d4f\u89c8\u5668] &#8211;\u8bf7\u6c42\u5305&#8211;&gt; [\u670d\u52a1\u5668]<br \/>\n[\u670d\u52a1\u5668] &#8211;\u54cd\u5e94\u5305&#8211;&gt; [\u6d4f\u89c8\u5668]<\/p>\n<p>\u5b9e\u9645\u573a\u666f\u793a\u4f8b&#xff1a; \u5f53\u8bbf\u95ee\u65b0\u95fb\u7f51\u7ad9\u65f6&#xff0c;\u53ef\u80fd\u89e6\u53d1&#xff1a;<\/p>\n<li>HTML\u4e3b\u6587\u6863\u8bf7\u6c42<\/li>\n<li>CSS\u6837\u5f0f\u8868\u8bf7\u6c42<\/li>\n<li>JavaScript\u6587\u4ef6\u8bf7\u6c42<\/li>\n<li>\u56fe\u7247\u8d44\u6e90\u8bf7\u6c42<\/li>\n<li>\u5e7f\u544a\u8ffd\u8e2a\u8bf7\u6c42<\/li>\n<h3>2. \u6293\u5305\u5206\u6790\u5b9e\u6218<\/h3>\n<h4>2.1 Fiddler\u5de5\u5177\u5999\u7528<\/h4>\n<p>\u6293\u5305\u5de5\u5177\u72b9\u5982\u7f51\u7edc\u4e16\u754c\u7684X\u5149\u673a&#xff0c;Fiddler\u7684\u5de5\u4f5c\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u542f\u52a8\u4ee3\u7406&#xff08;\u9ed8\u8ba4\u7aef\u53e38888&#xff09;<\/li>\n<li>\u76d1\u542c\u6d4f\u89c8\u5668\u901a\u4fe1<\/li>\n<li>\u6355\u83b7\u8bf7\u6c42\u54cd\u5e94\u6570\u636e<\/li>\n<li>\u89e3\u6790\u663e\u793a\u62a5\u6587\u5185\u5bb9<\/li>\n<p>\u914d\u7f6eHTTPS\u6293\u5305\u6b65\u9aa4&#xff1a;<\/p>\n<li>Tools &gt; Options &gt; HTTPS<\/li>\n<li>\u52fe\u9009Decrypt HTTPS traffic<\/li>\n<li>\u4fe1\u4efbFiddler\u6839\u8bc1\u4e66<\/li>\n<h4>2.2 \u62a5\u6587\u7ed3\u6784\u62c6\u89e3<\/h4>\n<p>\u8bf7\u6c42\u62a5\u6587\u6a21\u677f&#xff1a;<\/p>\n<p>GET \/index.html HTTP\/1.1<br \/>\nHost: www.example.com<br \/>\nUser-Agent: Chrome\/91<br \/>\n(\u7a7a\u884c)<\/p>\n<p>\u54cd\u5e94\u62a5\u6587\u6a21\u677f&#xff1a;<\/p>\n<p>HTTP\/1.1 200 OK<br \/>\nContent-Type: text\/html<br \/>\nContent-Length: 1234<br \/>\n(\u7a7a\u884c)<br \/>\n&lt;!DOCTYPE html&gt;&#8230;<\/p>\n<p>\u5173\u952e\u5206\u9694\u673a\u5236&#xff1a;<\/p>\n<ul>\n<li>\u7a7a\u884c\u5982\u540c\u4fe1\u5c01\u5c01\u53e3\u7ebf&#xff0c;\u5206\u9694\u4fe1\u5c01&#xff08;\u5934\u90e8&#xff09;\u4e0e\u4fe1\u4ef6\u5185\u5bb9&#xff08;body&#xff09;<\/li>\n<li>\u5934\u90e8\u5b57\u6bb5\u91c7\u7528key: value\u7ed3\u6784\u6392\u5217<\/li>\n<\/ul>\n<h3>3. \u8bf7\u6c42\u6df1\u5ea6\u89e3\u6790<\/h3>\n<h4>3.1 URL\u7f16\u7801\u827a\u672f<\/h4>\n<p>\u5b8c\u6574URL\u7ed3\u6784\u793a\u4f8b&#xff1a;<\/p>\n<p>https:\/\/user:pass&#064;www.store.com:443\/books\/novel?title&#061;1984#chapter2<\/p>\n<p>\u5404\u90e8\u4ef6\u89e3\u6790\u8868&#xff1a;<\/p>\n<table>\n<tr>\u7ec4\u4ef6\u8bf4\u660e\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td>\u534f\u8bae<\/td>\n<td>\u901a\u4fe1\u89c4\u5219<\/td>\n<td>https<\/td>\n<\/tr>\n<tr>\n<td>\u8ba4\u8bc1\u4fe1\u606f<\/td>\n<td>\u7f51\u7ad9\u767b\u5f55\u51ed\u8bc1&#xff08;\u5df2\u6dd8\u6c70&#xff09;<\/td>\n<td>user:pass<\/td>\n<\/tr>\n<tr>\n<td>\u4e3b\u673a\u5730\u5740<\/td>\n<td>\u670d\u52a1\u5668\u4f4d\u7f6e<\/td>\n<td>www.store.com<\/td>\n<\/tr>\n<tr>\n<td>\u7aef\u53e3<\/td>\n<td>\u5e94\u7528\u901a\u9053\u53f7&#xff08;\u9ed8\u8ba4\u9690\u85cf&#xff09;<\/td>\n<td>:443<\/td>\n<\/tr>\n<tr>\n<td>\u8d44\u6e90\u8def\u5f84<\/td>\n<td>\u670d\u52a1\u5668\u6587\u4ef6\u7ed3\u6784<\/td>\n<td>\/books\/novel<\/td>\n<\/tr>\n<tr>\n<td>\u67e5\u8be2\u53c2\u6570<\/td>\n<td>\u9644\u52a0\u7b5b\u9009\u6761\u4ef6<\/td>\n<td>?title&#061;1984<\/td>\n<\/tr>\n<tr>\n<td>\u951a\u70b9<\/td>\n<td>\u9875\u9762\u5185\u8df3\u8f6c\u5b9a\u4f4d<\/td>\n<td>#chapter2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7f16\u7801\u8f6c\u6362\u793a\u4f8b&#xff1a;<\/p>\n<ul>\n<li>\u7a7a\u683c \u2192 %20<\/li>\n<li>\u4e2d\u6587&#034;\u4e66&#034; \u2192 %E4%B9%A6&#xff08;UTF-8\u7f16\u7801&#xff09;<\/li>\n<\/ul>\n<h4>3.2 \u65b9\u6cd5\u8bed\u4e49\u5256\u6790<\/h4>\n<p>HTTP\u65b9\u6cd5\u5bf9\u7167\u8868&#xff1a;<\/p>\n<table>\n<tr>\u65b9\u6cd5\u8bed\u4e49\u5e42\u7b49\u6027\u5e94\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>GET<\/td>\n<td>\u83b7\u53d6\u8d44\u6e90<\/td>\n<td>\u662f<\/td>\n<td>\u7f51\u9875\u6d4f\u89c8\u3001\u6570\u636e\u67e5\u8be2<\/td>\n<\/tr>\n<tr>\n<td>POST<\/td>\n<td>\u521b\u5efa\u8d44\u6e90<\/td>\n<td>\u5426<\/td>\n<td>\u8868\u5355\u63d0\u4ea4\u3001\u6587\u4ef6\u4e0a\u4f20<\/td>\n<\/tr>\n<tr>\n<td>PUT<\/td>\n<td>\u5168\u91cf\u66f4\u65b0<\/td>\n<td>\u662f<\/td>\n<td>\u7528\u6237\u4fe1\u606f\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>DELETE<\/td>\n<td>\u5220\u9664\u8d44\u6e90<\/td>\n<td>\u662f<\/td>\n<td>\u5220\u9664\u6587\u7ae0\u3001\u6ce8\u9500\u8d26\u6237<\/td>\n<\/tr>\n<tr>\n<td>PATCH<\/td>\n<td>\u5c40\u90e8\u66f4\u65b0<\/td>\n<td>\u5426<\/td>\n<td>\u4fee\u6539\u7528\u6237\u90e8\u5206\u4fe1\u606f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5e42\u7b49\u6027\u5b9e\u9a8c&#xff1a;\u591a\u6b21GET\u8bf7\u6c42\u59cb\u7ec8\u83b7\u5f97\u76f8\u540c\u7ed3\u679c&#xff0c;\u591a\u6b21POST\u53ef\u80fd\u521b\u5efa\u591a\u4e2a\u8d44\u6e90<\/p>\n<h4>3.3 \u5934\u90e8\u5b57\u6bb5\u7cbe\u8981<\/h4>\n<p>\u5173\u952e\u8bf7\u6c42\u5934\u89e3\u6790&#xff1a;<\/p>\n<table>\n<tr>\u5934\u5b57\u6bb5\u529f\u80fd\u8bf4\u660e\u793a\u4f8b\u503c<\/tr>\n<tbody>\n<tr>\n<td>Authorization<\/td>\n<td>\u8ba4\u8bc1\u4ee4\u724c<\/td>\n<td>Bearer xxxxxx<\/td>\n<\/tr>\n<tr>\n<td>Accept<\/td>\n<td>\u652f\u6301\u7684\u54cd\u5e94\u683c\u5f0f<\/td>\n<td>application\/json<\/td>\n<\/tr>\n<tr>\n<td>Cache-Control<\/td>\n<td>\u7f13\u5b58\u7b56\u7565<\/td>\n<td>max-age&#061;3600<\/td>\n<\/tr>\n<tr>\n<td>Cookie<\/td>\n<td>\u5ba2\u6237\u7aef\u51ed\u8bc1<\/td>\n<td>session_id&#061;abc123<\/td>\n<\/tr>\n<tr>\n<td>Referrer-Policy<\/td>\n<td>\u5f15\u7528\u6765\u6e90\u7b56\u7565<\/td>\n<td>strict-origin-when-cross-origin<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Cookie\u751f\u547d\u5468\u671f&#xff1a;<\/p>\n<p>\u8bbe\u7f6e \u2192 \u5b58\u50a8 \u2192 \u643a\u5e26 \u2192 \u8fc7\u671f<br \/>\n\u2191______________________|<\/p>\n<h3>4. \u54cd\u5e94\u5173\u952e\u8981\u7d20<\/h3>\n<h4>4.1 \u72b6\u6001\u7801\u5206\u7c7b\u6307\u5357<\/h4>\n<p>\u72b6\u6001\u7801\u901f\u67e5\u8868&#xff1a;<\/p>\n<table>\n<tr>\u7c7b\u522b\u8bf4\u660e\u5e38\u89c1\u72b6\u6001\u7801<\/tr>\n<tbody>\n<tr>\n<td>1xx<\/td>\n<td>\u4fe1\u606f\u54cd\u5e94<\/td>\n<td>100 Continue<\/td>\n<\/tr>\n<tr>\n<td>2xx<\/td>\n<td>\u6210\u529f\u54cd\u5e94<\/td>\n<td>201 Created<\/td>\n<\/tr>\n<tr>\n<td>3xx<\/td>\n<td>\u91cd\u5b9a\u5411<\/td>\n<td>301 Moved Permanently<\/td>\n<\/tr>\n<tr>\n<td>4xx<\/td>\n<td>\u5ba2\u6237\u7aef\u9519\u8bef<\/td>\n<td>403 Forbidden<\/td>\n<\/tr>\n<tr>\n<td>5xx<\/td>\n<td>\u670d\u52a1\u5668\u9519\u8bef<\/td>\n<td>503 Service Unavailable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u771f\u5b9e\u573a\u666f\u6848\u4f8b&#xff1a;<\/p>\n<ul>\n<li>302\u91cd\u5b9a\u5411&#xff1a;\u7f51\u7ad9\u4e34\u65f6\u7ef4\u62a4\u8df3\u8f6c<\/li>\n<li>401\u672a\u6388\u6743&#xff1a;\u672a\u767b\u5f55\u8bbf\u95ee\u4e2a\u4eba\u4e2d\u5fc3<\/li>\n<li>504\u8d85\u65f6&#xff1a;\u79d2\u6740\u6d3b\u52a8\u670d\u52a1\u5668\u8fc7\u8f7d<\/li>\n<\/ul>\n<h4>4.2 \u54cd\u5e94\u5934\u89e3\u6790<\/h4>\n<p>Content-Type\u5927\u5168&#xff1a;<\/p>\n<table>\n<tr>MIME\u7c7b\u578b\u8bf4\u660e\u6587\u4ef6\u6269\u5c55\u540d<\/tr>\n<tbody>\n<tr>\n<td>text\/html<\/td>\n<td>HTML\u6587\u6863<\/td>\n<td>.html<\/td>\n<\/tr>\n<tr>\n<td>image\/png<\/td>\n<td>PNG\u56fe\u7247<\/td>\n<td>.png<\/td>\n<\/tr>\n<tr>\n<td>application\/pdf<\/td>\n<td>PDF\u6587\u6863<\/td>\n<td>.pdf<\/td>\n<\/tr>\n<tr>\n<td>application\/zip<\/td>\n<td>\u538b\u7f29\u6587\u4ef6<\/td>\n<td>.zip<\/td>\n<\/tr>\n<tr>\n<td>audio\/mpeg<\/td>\n<td>MP3\u97f3\u9891<\/td>\n<td>.mp3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>5. \u8bf7\u6c42\u6784\u9020\u5b9e\u6218<\/h3>\n<h4>5.1 \u4f20\u7edf\u8868\u5355\u65b9\u5f0f<\/h4>\n<p>GET\u8868\u5355\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>form<\/span> <span class=\"token attr-name\">action<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\/search<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">method<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>GET<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>input<\/span> <span class=\"token attr-name\">type<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>text<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">name<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>keyword<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>input<\/span> <span class=\"token attr-name\">type<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>submit<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">value<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u641c\u7d22<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>form<\/span><span class=\"token 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