{"id":81668,"date":"2026-07-25T03:20:04","date_gmt":"2026-07-24T19:20:04","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/81668.html"},"modified":"2026-07-25T03:20:04","modified_gmt":"2026-07-24T19:20:04","slug":"%e5%9f%ba%e4%ba%8e-c-%e6%89%8b%e5%86%99-http-%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%9a%e4%bb%8e%e8%af%b7%e6%b1%82%e8%a7%a3%e6%9e%90%e5%88%b0%e5%93%8d%e5%ba%94%e6%9e%84%e5%bb%ba%e5%85%a8%e6%b5%81%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/81668.html","title":{"rendered":"\u57fa\u4e8e C++ \u624b\u5199 HTTP \u670d\u52a1\u5668\uff1a\u4ece\u8bf7\u6c42\u89e3\u6790\u5230\u54cd\u5e94\u6784\u5efa\u5168\u6d41\u7a0b\u89e3\u6790"},"content":{"rendered":"

\u5728\u4e0a\u4e00\u7bc7\u535a\u5ba2\u4e2d，\u6211\u4eec\u4e86\u89e3\u5230TCP\u662f\u9762\u5411\u5b57\u8282\u6d41\u5f0f\u7684\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u7684，\u6240\u4ee5\u4e0d\u5177\u5907\u6d88\u606f\u8fb9\u754c\u7684\u529f\u80fd，\u6240\u4ee5\u6211\u4eec\u8981\u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u7684\u7f51\u7edc\u901a\u4fe1，\u5c31\u5fc5\u987b\u8bbe\u8ba1\u5e94\u7528\u5c42\u534f\u8bae，\u90a3\u4e48\u8981\u662f\u6211\u4eec\u6bcf\u6b21\u90fd\u8981\u50cf\u4e0a\u4e00\u7bc7\u535a\u5ba2\u90a3\u6837\u5b9a\u4e49\u5982\u6b64\u9ebb\u70e6\u7684\u534f\u8bae，\u786e\u5b9e\u5f88\u68d8\u624b，\u56e0\u6b64\u4e3a\u4e86\u65b9\u4fbf，\u5176\u5b9e\u5df2\u7ecf\u6709\u5927\u4f6c\u5b9a\u4e49\u4e86\u4e00\u4e9b\u73b0\u6210\u7684，\u975e\u5e38\u597d\u7528\u7684\u5e94\u7528\u5c42\u534f\u8bae，\u53ef\u4ee5\u8ba9\u6211\u4eec\u76f4\u63a5\u4f7f\u7528，\u4e0d\u518d\u9700\u8981\u6211\u4eec\u81ea\u5df1\u53bb\u5b9a\u4e49\u4e86，\u6bd4\u5982HTTP(\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae\u5c31\u662f\u5176\u4e2d\u4e4b\u4e00)\u3002<\/p>\n\n\u534f\u8bae\u540d\u79f0\u534f\u8bae\u5168\u79f0\u9ed8\u8ba4\u7aef\u53e3\u4f20\u8f93\u5c42\u534f\u8bae\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
HTTP<\/td>\n\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae<\/td>\n80<\/td>\nTCP<\/td>\n\u7f51\u9875\u8bbf\u95ee（\u660e\u6587）<\/td>\n<\/tr>\n
HTTPS<\/td>\n\u5b89\u5168\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae<\/td>\n443<\/td>\nTCP<\/td>\n\u52a0\u5bc6\u7f51\u9875<\/td>\n<\/tr>\n
FTP<\/td>\n\u6587\u4ef6\u4f20\u8f93\u534f\u8bae<\/td>\n21 \/ 20<\/td>\nTCP<\/td>\n\u6587\u4ef6\u4e0a\u4f20\u4e0b\u8f7d<\/td>\n<\/tr>\n
TFTP<\/td>\n\u7b80\u5355\u6587\u4ef6\u4f20\u8f93\u534f\u8bae<\/td>\n69<\/td>\nUDP<\/td>\n\u7b80\u5355\u4f20\u8f93<\/td>\n<\/tr>\n
SMTP<\/td>\n\u90ae\u4ef6\u53d1\u9001\u534f\u8bae<\/td>\n25<\/td>\nTCP<\/td>\n\u53d1\u9001\u90ae\u4ef6<\/td>\n<\/tr>\n
POP3<\/td>\n\u90ae\u4ef6\u63a5\u6536\u534f\u8bae<\/td>\n110<\/td>\nTCP<\/td>\n\u4e0b\u8f7d\u90ae\u4ef6<\/td>\n<\/tr>\n
IMAP<\/td>\n\u90ae\u4ef6\u8bbf\u95ee\u534f\u8bae<\/td>\n143<\/td>\nTCP<\/td>\n\u7ba1\u7406\u90ae\u4ef6<\/td>\n<\/tr>\n
DNS<\/td>\n\u57df\u540d\u7cfb\u7edf<\/td>\n53<\/td>\nUDP\/TCP<\/td>\n\u57df\u540d\u89e3\u6790<\/td>\n<\/tr>\n
DHCP<\/td>\n\u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8bae<\/td>\n67 \/ 68<\/td>\nUDP<\/td>\n\u81ea\u52a8\u5206\u914dIP<\/td>\n<\/tr>\n
Telnet<\/td>\n\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae<\/td>\n23<\/td>\nTCP<\/td>\n\u4e0d\u5b89\u5168\u8fdc\u7a0b\u767b\u5f55<\/td>\n<\/tr>\n
SSH<\/td>\n\u5b89\u5168\u8fdc\u7a0b\u767b\u5f55<\/td>\n22<\/td>\nTCP<\/td>\n\u52a0\u5bc6\u8fdc\u7a0b\u8fde\u63a5<\/td>\n<\/tr>\n
SNMP<\/td>\n\u7f51\u7edc\u7ba1\u7406\u534f\u8bae<\/td>\n161<\/td>\nUDP<\/td>\n\u7f51\u7edc\u8bbe\u5907\u7ba1\u7406<\/td>\n<\/tr>\n
NTP<\/td>\n\u7f51\u7edc\u65f6\u95f4\u534f\u8bae<\/td>\n123<\/td>\nUDP<\/td>\n\u65f6\u95f4\u540c\u6b65<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8fd9\u4e9b\u5c31\u662f\u5e38\u89c1\u7684\u4e00\u4e9b\u5e94\u7528\u5c42\u534f\u8bae\u3002<\/p>\n

\u8ba4\u8bc6URL<\/h2>\n

https:\/\/www.baidu.com\/<\/p>\n

\u73b0\u5728，\u5927\u5bb6\u6709\u95ee\u9898\u4e00\u822c\u90fd\u662f\u95ee\u8c46\u5305\u7b49AI\u8f6f\u4ef6，\u4ee5\u524d\u6ca1\u6709AI\u7684\u65f6\u5019，\u5927\u5bb6\u6709\u95ee\u9898\u90fd\u662f\u95ee\u5ea6\u5a18，\u8fd9\u4e2aURL\u5c31\u662f\u6211\u4eec\u8bbf\u95ee\u767e\u5ea6\u7684\u57df\u540d \"\"<\/p>\n

\"\"<\/p>\n

\u5f53\u6211\u4eec\u5728\u6d4f\u89c8\u5668\u4e2d\u901a\u8fc7\u57df\u540d\u8bbf\u95ee\u7f51\u7ad9\u65f6，\u672c\u8d28\u4e0a\u5176\u5b9e\u5e76\u4e0d\u662f\u76f4\u63a5\u8bbf\u95ee\u8fd9\u4e2a\u5b57\u7b26\u4e32，\u800c\u662f\u9700\u8981\u5148\u5c06\u8fd9\u4e2a\u57df\u540d\u89e3\u6790\u4e3a\u5bf9\u5e94\u7684 IP \u5730\u5740，\u7136\u540e\u8fdb\u884c\u8bbf\u95ee<\/p>\n

\u5177\u4f53\u6d41\u7a0b\u662f：<\/p>\n

    \n
  • \u9996\u5148，\u5ba2\u6237\u7aef（\u6d4f\u89c8\u5668\u6216\u64cd\u4f5c\u7cfb\u7edf）\u4f1a\u5411\u672c\u5730 DNS \u670d\u52a1\u5668\u53d1\u9001\u89e3\u6790\u8bf7\u6c42，\u8fd9\u4e2a\u670d\u52a1\u5668\u63d0\u4f9b\u8005\u5c31\u662f\u4e09\u5927\u8fd0\u8425\u5546\u3002<\/li>\n
  • \u5982\u679c\u672c\u5730 DNS \u670d\u52a1\u5668\u6ca1\u6709\u7f13\u5b58\u7ed3\u679c，\u5b83\u4f1a\u5411\u66f4\u9ad8\u5c42\u7ea7\u7684 DNS \u670d\u52a1\u5668\u53d1\u8d77\u67e5\u8be2：\n
      \n
    • \u6839\u57df\u540d\u670d\u52a1\u5668<\/li>\n
    • \u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668<\/li>\n
    • \u6743\u5a01\u57df\u540d\u670d\u52a1\u5668<\/li>\n<\/ul>\n<\/li>\n
    • \u6700\u7ec8\u627e\u5230\u8be5\u57df\u540d\u5bf9\u5e94\u7684 IP \u5730\u5740，\u5e76\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef<\/li>\n<\/ul>\n

      \u62ff\u5230 IP \u5730\u5740\u4e4b\u540e，\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u901a\u8fc7：<\/p>\n

      👉 IP\u5730\u5740 + \u7aef\u53e3\u53f7<\/p>\n

      \u4f46\u662f\u53c8\u4ed4\u7ec6\u7684\u4eba\u5c31\u4f1a\u770b\u5230\u4e0a\u56fe\u4e2d\u6211\u4eec\u4f7f\u7528IP\u5730\u5740\u8fdb\u884c\u8bbf\u95ee\u7684\u65f6\u5019，\u5e76\u6ca1\u6709\u770b\u5230\u7aef\u53e3\u53f7\u8fd9\u4e2a\u4e1c\u897f，\u96be\u9053\u53ea\u9700\u8981\u901a\u8fc7IP\u5730\u5740\u5c31\u53ef\u4ee5\u8bbf\u95ee\u5230\u5177\u4f53\u7684\u7f51\u7ad9\u4e86\u5417？\u5176\u5b9e\u5e76\u4e0d\u662f，\u5176\u5b9e\u662f\u56e0\u4e3a\u6211\u4eec\u4f7f\u7528\u7684\u662fHTTPS\u534f\u8bae，\u8fd9\u4e2a\u534f\u8bae\u5c31\u4ee3\u8868\u7740\u5b83\u7684\u7aef\u53e3\u53f7\u5c31\u662f443(\u8fd9\u5c31\u50cf\u6211\u4eec\u5728\u751f\u6d3b\u4e2d110\u5c31\u662f\u62a5\u8b66\u7535\u8bdd，119\u5c31\u662f\u706b\u8b66\u7535\u8bdd\u4e00\u6837<\/span>)，\u6240\u4ee5\u6211\u4eec\u5c31\u4e0d\u9700\u8981\u5728\u663e\u73b0\u7684\u5199\u51fa\u6765，\u6d4f\u89c8\u5668\u66ff\u6211\u4eec\u9690\u5f0f\u8865\u5168\u4e86\u7aef\u53e3\u53f7，\u800c\u4e0d\u662f\u7aef\u53e3\u53f7\u4e0d\u5b58\u5728\u3002<\/p>\n

      IP \u5730\u5740\u8d1f\u8d23\u5b9a\u4f4d\u4e3b\u673a，\u7aef\u53e3\u53f7\u8d1f\u8d23\u5b9a\u4f4d\u4e3b\u673a\u4e0a\u7684\u5177\u4f53\u670d\u52a1，\u4e8c\u8005\u7f3a\u4e00\u4e0d\u53ef<\/p>\n

      HTTP\u534f\u8bae<\/h2>\n

      \"\"<\/p>\n

      \u8fd9\u5f20\u56fe\u5176\u5b9e\u5c55\u793a\u7684\u662f\u4e00\u6b21\u5b8c\u6574\u7684 HTTP \u901a\u4fe1\u8fc7\u7a0b\u4e2d，\u8bf7\u6c42\u62a5\u6587\u548c\u54cd\u5e94\u62a5\u6587\u7684\u6574\u4f53\u7ed3\u6784\u3002\u4ece\u5ba2\u6237\u7aef\u89d2\u5ea6\u6765\u770b，\u5f53\u6d4f\u89c8\u5668\u53d1\u8d77\u8bf7\u6c42\u65f6，\u4f1a\u5148\u6784\u9020\u4e00\u6bb5\u7b26\u5408 HTTP \u534f\u8bae\u89c4\u8303\u7684\u6587\u672c\u6570\u636e\u53d1\u9001\u7ed9\u670d\u52a1\u5668，\u8fd9\u6bb5\u6570\u636e\u6700\u5f00\u59cb\u662f\u8bf7\u6c42\u884c，\u5305\u542b\u8bf7\u6c42\u65b9\u6cd5（\u5982 GET\u3001POST）\u3001\u8d44\u6e90\u8def\u5f84\u4ee5\u53ca HTTP \u7248\u672c，\u7528\u6765\u660e\u786e\u201c\u6211\u8981\u505a\u4ec0\u4e48\u3001\u8bbf\u95ee\u54ea\u91cc\u3001\u7528\u4ec0\u4e48\u534f\u8bae\u7248\u672c\u201d\u3002\u7d27\u63a5\u7740\u662f\u591a\u884c\u8bf7\u6c42\u62a5\u5934，\u6bcf\u4e00\u884c\u90fd\u662f key:value \u7684\u5f62\u5f0f，\u7528\u4e8e\u643a\u5e26\u989d\u5916\u4fe1\u606f，\u6bd4\u5982\u76ee\u6807\u4e3b\u673a\u3001\u6570\u636e\u7c7b\u578b\u3001\u5ba2\u6237\u7aef\u4fe1\u606f\u7b49，\u8fd9\u4e9b\u5185\u5bb9\u5168\u90e8\u4ee5 \\\\r\\\\n \u4f5c\u4e3a\u5206\u9694\u3002<\/p>\n

      \u5728\u8bf7\u6c42\u62a5\u5934\u7ed3\u675f\u540e，\u4f1a\u6709\u4e00\u4e2a\u975e\u5e38\u5173\u952e\u7684\u7a7a\u884c，\u5b83\u7684\u4f5c\u7528\u662f\u660e\u786e\u544a\u8bc9\u670d\u52a1\u5668：\u62a5\u5934\u90e8\u5206\u5df2\u7ecf\u7ed3\u675f，\u63a5\u4e0b\u6765\u5982\u679c\u8fd8\u6709\u5185\u5bb9，\u5c31\u662f\u8bf7\u6c42\u7684\u6709\u6548\u8f7d\u8377\u3002\u5bf9\u4e8e GET \u8bf7\u6c42\u6765\u8bf4\u901a\u5e38\u6ca1\u6709\u6b63\u6587，\u800c POST \u8bf7\u6c42\u5219\u4f1a\u5728\u8fd9\u91cc\u643a\u5e26\u6570\u636e，\u6bd4\u5982\u8868\u5355\u6216 JSON，\u8fd9\u90e8\u5206\u5c31\u662f\u56fe\u4e2d\u6807\u6ce8\u7684\u201c\u8bf7\u6c42\u6b63\u6587\u201d\u3002<\/p>\n

      \u670d\u52a1\u5668\u63a5\u6536\u5230\u8bf7\u6c42\u5e76\u5904\u7406\u540e，\u4f1a\u6309\u7167\u540c\u6837\u7684\u534f\u8bae\u683c\u5f0f\u8fd4\u56de\u54cd\u5e94\u3002\u54cd\u5e94\u62a5\u6587\u7684\u5f00\u5934\u662f\u72b6\u6001\u884c，\u5305\u542b HTTP \u7248\u672c\u3001\u72b6\u6001\u7801\u4ee5\u53ca\u5bf9\u5e94\u7684\u63cf\u8ff0\u4fe1\u606f，\u4f8b\u5982 200 OK \u8868\u793a\u8bf7\u6c42\u6210\u529f\u3002\u968f\u540e\u662f\u591a\u884c\u54cd\u5e94\u62a5\u5934，\u540c\u6837\u4ee5 key:value \u7684\u5f62\u5f0f\u5b58\u5728，\u7528\u6765\u8bf4\u660e\u8fd4\u56de\u6570\u636e\u7684\u7c7b\u578b\u3001\u957f\u5ea6\u4ee5\u53ca\u670d\u52a1\u5668\u76f8\u5173\u4fe1\u606f\u7b49\u3002\u62a5\u5934\u4e4b\u540e\u540c\u6837\u4f1a\u6709\u4e00\u4e2a\u7a7a\u884c，\u7528\u4e8e\u5206\u9694\u5143\u6570\u636e\u548c\u771f\u6b63\u7684\u6570\u636e\u5185\u5bb9，\u6700\u540e\u7684\u54cd\u5e94\u6b63\u6587\u624d\u662f\u5ba2\u6237\u7aef\u771f\u6b63\u5173\u5fc3\u7684\u90e8\u5206，\u53ef\u80fd\u662f HTML \u9875\u9762\u3001JSON \u6570\u636e，\u6216\u8005 JS\u3001CSS \u7b49\u8d44\u6e90\u3002<\/p>\n

      \u4ece\u6574\u4f53\u6765\u770b，\u8fd9\u5f20\u56fe\u7684\u6838\u5fc3\u5c31\u662f\u5728\u8bf4\u660e：HTTP \u901a\u4fe1\u672c\u8d28\u4e0a\u662f\u5728 TCP \u4e4b\u4e0a，\u6309\u7167\u56fa\u5b9a\u683c\u5f0f\u4f20\u8f93\u7684\u4e00\u6bb5\u201c\u7ed3\u6784\u5316\u5b57\u7b26\u4e32\u201d，\u901a\u8fc7\u8bf7\u6c42\u884c\/\u72b6\u6001\u884c\u3001\u62a5\u5934\u3001\u7a7a\u884c\u548c\u6b63\u6587\u8fd9\u51e0\u4e2a\u90e8\u5206\u8fdb\u884c\u7ec4\u7ec7，\u800c \\\\r\\\\n \u5219\u5145\u5f53\u4e86\u5929\u7136\u7684\u5206\u9694\u7b26，\u4f7f\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u80fd\u591f\u51c6\u786e\u5730\u89e3\u6790\u5f7c\u6b64\u53d1\u9001\u7684\u6570\u636e\u3002<\/p>\n

      \"\"<\/p>\n

      HTTP\u8bf7\u6c42<\/h3>\n

      \"\"<\/p>\n

      \"\"<\/p>\n

        \n
      • \u9996\u884c：\u65b9\u6cd5+url+\u7248\u672c<\/li>\n
      • Header:\u8bf7\u6c42\u7684\u5c5e\u6027，\u5192\u53f7\u5206\u5272\u7684\u952e\u503c\u5bf9；\u6bcf\u4e00\u7ec4\u5c5e\u6027\u4e4b\u95f4\u7528\\\\r\\\\n\u8fdb\u884c\u5206\u5272，\u9047\u5230\u7a7a\u884c\u5219\u8868\u793aHeader\u90e8\u5206\u7ed3\u675f<\/li>\n
      • Body:\u7a7a\u884c\u540e\u9762\u7684\u5185\u5bb9\u5c31\u662fBody，Body\u7684\u5185\u5bb9\u53ef\u4ee5\u662f\u7a7a\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n

        HTTP\u54cd\u5e94<\/h3>\n

        \"\"<\/p>\n

          \n
        • \u9996\u884c：\u7248\u672c\u53f7+\u72b6\u6001\u7801+\u72b6\u6001\u7801\u89e3\u91ca<\/li>\n
        • Header：\u8bf7\u6c42\u7684\u5c5e\u6027，\u5192\u53f7\u5206\u5272\u7684\u952e\u503c\u5bf9；\u6bcf\u4e00\u7ec4\u5c5e\u6027\u4e4b\u95f4\u7528\\\\r\\\\n\u8fdb\u884c\u5206\u5272，\u9047\u5230\u7a7a\u884c\u5219\u8868\u793aHeader\u90e8\u5206\u7ed3\u675f<\/li>\n
        • Body：<\/li>\n
        • \u7a7a\u884c\u540e\u9762\u7684\u5185\u5bb9\u5c31\u662fBody，Body\u7684\u5185\u5bb9\u53ef\u4ee5\u662f\u7a7a\u5b57\u7b26\u4e32\u3002\u5982\u679c\u670d\u52a1\u5668\u8fd4\u56de\u4e86\u4e00\u4e2ahtml\u9875\u9762, \u90a3\u4e48html\u9875\u9762\u5185\u5bb9\u5c31\u662f\u5728 body\u4e2d\u3002<\/li>\n<\/ul>\n

          \u73b0\u5728\u6211\u4eec\u5c31\u6765\u7b80\u5355\u5b9e\u73b0\u4e00\u4e2a\u80fd\u88ab\u6d4f\u89c8\u5668\u8bbf\u95ee\u7684 HTTP \u670d\u52a1\u5668<\/p>\n

          HTTP\u670d\u52a1\u5668<\/h2>\n

          \u4e00\u3001\u5b9e\u73b0\u6548\u679c<\/h3>\n

          \u542f\u52a8\u670d\u52a1\u5668\u540e，\u5728\u6d4f\u89c8\u5668\u8f93\u5165：<\/p>\n

          http:\/\/ip:port\/ <\/p>\n

          \u5373\u53ef\u8bbf\u95ee\u6211\u4eec\u81ea\u5df1\u5199\u7684\u7f51\u9875：<\/p>\n

            \n
          • \u652f\u6301\u8fd4\u56de index.html<\/li>\n
          • \u652f\u6301\u7b80\u5355\u9875\u9762\u8df3\u8f6c<\/li>\n<\/ul>\n

            \u00a0\u4e8c\u3001\u57fa\u672c\u539f\u7406<\/h3>\n

            HTTP \u670d\u52a1\u5668\u672c\u8d28\u8fd8\u662f\u4e00\u4e2a TCP \u670d\u52a1\u5668，\u53ea\u4e0d\u8fc7\u591a\u4e86\u4e00\u6b65：<\/p>\n

            👉 \u89e3\u6790\u8bf7\u6c42 + \u8fd4\u56de\u7b26\u5408 HTTP \u534f\u8bae\u7684\u6570\u636e<\/p>\n

            \u6574\u4f53\u6d41\u7a0b：<\/p>\n

            socket \u2192 bind \u2192 listen \u2192 accept
            \n \u2193
            \n \u521b\u5efa\u7ebf\u7a0b
            \n \u2193
            \n read \u2192 \u89e3\u6790 \u2192 write <\/p>\n

            \u4e09\u3001\u6838\u5fc3\u4ee3\u7801\u601d\u8def<\/h3>\n

            1\ufe0f\u20e3 \u8bfb\u53d6\u6d4f\u89c8\u5668\u8bf7\u6c42<\/h4>\n

            char buffer[1024];
            \nssize_t s = read(sockfd, buffer, sizeof(buffer) – 1); <\/p>\n

            \u6d4f\u89c8\u5668\u53d1\u6765\u7684\u8bf7\u6c42\u5927\u81f4\u662f：<\/p>\n

            GET \/index.html HTTP\/1.1
            \nHost: xxx <\/p>\n

            \"\"<\/p>\n

            \n

            2\ufe0f\u20e3 \u89e3\u6790\u8bf7\u6c42\u884c<\/h4>\n

            std::stringstream ss(req_header[0]);
            \nstd::string method, url, version;
            \nss >> method >> url >> version; <\/p>\n

            \u6211\u4eec\u53ea\u5173\u5fc3：<\/p>\n

              \n
            • \u8bf7\u6c42\u65b9\u6cd5（GET）<\/li>\n
            • \u8bbf\u95ee\u8def\u5f84（url）<\/li>\n<\/ul>\n
              \n

              3\ufe0f\u20e3 \u62fc\u63a5\u6587\u4ef6\u8def\u5f84<\/p>\n

              std::string path;
              \nif (url == "\/" || url == "\/index.html")
              \n path = ".\/wwwroot\/index.html";
              \nelse
              \n path = ".\/wwwroot" + url; <\/p>\n

              \n

              4\ufe0f\u20e3 \u8bfb\u53d6\u7f51\u9875\u5185\u5bb9<\/h4>\n

              std::ifstream in(path);
              \nwhile (std::getline(in, line))
              \n{
              \n content += line + "\\\\n";
              \n} <\/p>\n

              \n

              5\ufe0f\u20e3 \u6784\u9020 HTTP \u54cd\u5e94<\/h4>\n

              std::string response;
              \nresponse = "HTTP\/1.0 200 OK\\\\r\\\\n";
              \nresponse += "Content-Length: " + std::to_string(content.size()) + "\\\\r\\\\n";
              \nresponse += "Content-Type: text\/html\\\\r\\\\n";
              \nresponse += "\\\\r\\\\n";
              \nresponse += content; <\/p>\n

              \u7136\u540e\u53d1\u9001\u7ed9\u6d4f\u89c8\u5668：<\/p>\n

              write(sockfd, response.c_str(), response.size()); <\/p>\n

              \n

              6\ufe0f\u20e3 \u7b80\u5355\u5904\u7406 404<\/h4>\n

              if (!in.is_open())
              \n{
              \n std::string body = "<h1>404 Not Found<\/h1>";
              \n response = "HTTP\/1.0 404 Not Found\\\\r\\\\n";
              \n response += "Content-Length: " + std::to_string(body.size()) + "\\\\r\\\\n";
              \n response += "Content-Type: text\/html\\\\r\\\\n";
              \n response += "\\\\r\\\\n";
              \n response += body;
              \n} <\/p>\n

              HTTP\u670d\u52a1\u5668\u5b8c\u6574\u4ee3\u7801 \"\"<\/h2>\n

              Socket.hpp<\/h3>\n

              #include <iostream>
              \n#include <string>
              \n#include <unistd.h>
              \n#include <sys\/socket.h>
              \n#include <sys\/stat.h>
              \n#include <arpa\/inet.h>
              \n#include <cstring><\/p>\n

              enum Err
              \n{
              \n SocketErr = 1,
              \n BindErr,
              \n ListenErr
              \n};
              \nclass Socket
              \n{
              \npublic:
              \n Socket()
              \n {
              \n }<\/p>\n

              void Init()
              \n {
              \n sockfd_ = socket(AF_INET, SOCK_STREAM, 0);
              \n if (sockfd_ < 0)
              \n {
              \n std::cout << "socket fail!!!" << std::endl;
              \n exit(SocketErr);
              \n }
              \n }<\/p>\n

              void Bind(uint16_t port, std::string ip)
              \n {
              \n struct sockaddr_in server;
              \n memset(&server, 0, sizeof server);
              \n server.sin_family = AF_INET;
              \n server.sin_port = htons(port);
              \n inet_pton(AF_INET, ip.c_str(), &server.sin_addr);
              \n if (bind(sockfd_, (struct sockaddr *)&server, sizeof server) < 0)
              \n {
              \n std::cout << "bind fail" << std::endl;
              \n exit(BindErr);
              \n }
              \n }<\/p>\n

              void Listen()
              \n {
              \n if (listen(sockfd_, 10) < 0)
              \n {
              \n std::cout << "listen fail" << std::endl;
              \n exit(ListenErr);
              \n }
              \n }<\/p>\n

              int Accept(uint16_t *client_port, std::string *client_ip)
              \n {
              \n struct sockaddr_in client;
              \n bzero(&client, sizeof client);
              \n socklen_t len = sizeof(client);
              \n int newfd = accept(sockfd_, (struct sockaddr *)&client, &len);
              \n if (newfd < 0)
              \n {
              \n return -1;
              \n }
              \n char ip[64];
              \n inet_ntop(AF_INET, &client.sin_addr, ip, sizeof ip);
              \n *client_port = ntohs(client.sin_port);
              \n *client_ip = ip;
              \n return newfd;
              \n }<\/p>\n

              bool Connect(uint16_t server_port, std::string server_ip)
              \n {
              \n struct sockaddr_in server;
              \n bzero(&server, sizeof server);
              \n server.sin_family = AF_INET;
              \n server.sin_port = htons(server_port);
              \n inet_pton(AF_INET, server_ip.c_str(), &server.sin_addr);
              \n if (connect(sockfd_, (struct sockaddr *)&server, sizeof(server)) < 0)
              \n {
              \n return false;
              \n }
              \n return true;
              \n }<\/p>\n

              ~Socket()
              \n {
              \n close(sockfd_);
              \n }<\/p>\n

              private:
              \n int sockfd_;
              \n}; <\/p>\n

              HttpServer.cc<\/h3>\n

              #include <iostream>
              \n#include <unistd.h>
              \n#include "Socket.hpp"
              \n#include <fstream>
              \n#include <vector>
              \n#include <sstream><\/p>\n

              const std::string wwwroot = ".\/wwwroot";<\/p>\n

              class HttpServer;<\/p>\n

              class ThreadData
              \n{
              \npublic:
              \n ThreadData(int sockfd, HttpServer *ts)
              \n : sockfd_(sockfd), ts_(ts)
              \n {
              \n }<\/p>\n

              public:
              \n int sockfd_;
              \n HttpServer *ts_;
              \n};<\/p>\n

              class HttpServer
              \n{
              \npublic:
              \n HttpServer(uint16_t port, std::string ip)
              \n : port_(port), ip_(ip)
              \n {
              \n }<\/p>\n

              void Init()
              \n {
              \n listenfd_.Init();
              \n listenfd_.Bind(port_, ip_);
              \n listenfd_.Listen();
              \n }
              \n void start()
              \n {
              \n while (1)
              \n {
              \n uint16_t client_port;
              \n std::string client_ip;
              \n int sockfd = listenfd_.Accept(&client_port, &client_ip);
              \n if (sockfd < 0)
              \n {
              \n continue;
              \n }
              \n ThreadData *td = new ThreadData(sockfd, this);
              \n pthread_t tid;
              \n pthread_create(&tid, nullptr, ThreadRun, td);
              \n }
              \n }<\/p>\n

              static void *ThreadRun(void *arg)
              \n {
              \n pthread_detach(pthread_self());
              \n ThreadData *td = (ThreadData *)arg;
              \n td->ts_->HttpHandler(td->sockfd_);
              \n delete td;
              \n return nullptr;
              \n }<\/p>\n

              std::string ReadHtmlContent(std::string &htmlpath)
              \n {
              \n std::string content;
              \n std::ifstream in(htmlpath.c_str());
              \n if (!in.is_open())
              \n {
              \n return "404";
              \n }
              \n std::string line;
              \n while (std::getline(in, line))
              \n {
              \n content += line;
              \n }<\/p>\n

              in.close();
              \n return content;
              \n }<\/p>\n

              void HttpHandler(int sockfd)
              \n {
              \n char buffer[1024];
              \n ssize_t s = read(sockfd, buffer, sizeof buffer – 1);
              \n std::string request;
              \n if (s > 0)
              \n {
              \n buffer[s] = 0;
              \n std::cout << buffer << std::endl;
              \n request = buffer;<\/p>\n

              std::vector<std::string> req_header;<\/p>\n

              while (!request.empty())
              \n {
              \n ssize_t pos = request.find("\\\\r\\\\n", 0);
              \n if (pos == std::string::npos)
              \n {
              \n break;
              \n }<\/p>\n

              std::string line = request.substr(0, pos);
              \n if (line.empty())
              \n {
              \n break;
              \n }<\/p>\n

              req_header.push_back(line);
              \n request.erase(0, pos + 2);
              \n }<\/p>\n

              std::stringstream ss(req_header[0]);
              \n std::string method;
              \n std::string url;
              \n std::string http_version;
              \n ss >> method >> url >> http_version;<\/p>\n

              std::string path = url;
              \n if (path == "\/" || path == "\/index.html")
              \n {
              \n path = wwwroot + "\/index.html";
              \n }
              \n else
              \n {
              \n path = wwwroot + url;
              \n }<\/p>\n

              std::string text = ReadHtmlContent(path);<\/p>\n

              std::string response;<\/p>\n

              if (text == "404")
              \n {
              \n std::string body = "<h1>404 Not Found<\/h1>";
              \n response = "HTTP\/1.0 404 Not Found\\\\r\\\\n";
              \n response += "Content-Length: " + std::to_string(body.size()) + "\\\\r\\\\n";
              \n response += "Content-Type: text\/html\\\\r\\\\n";
              \n response += "\\\\r\\\\n";
              \n response += body;
              \n }
              \n else
              \n {
              \n response = "HTTP\/1.0 200 OK\\\\r\\\\n";
              \n response += "Content-Length: " + std::to_string(text.size()) + "\\\\r\\\\n";
              \n response += "Content-Type: text\/html\\\\r\\\\n";
              \n response += "\\\\r\\\\n";
              \n response += text;
              \n }
              \n write(sockfd, response.c_str(), response.size());
              \n }
              \n close(sockfd);
              \n }<\/p>\n

              ~HttpServer()
              \n {
              \n }<\/p>\n

              private:
              \n Socket listenfd_;
              \n uint16_t port_;
              \n std::string ip_;
              \n};<\/p>\n

              int main(int argc, char *argv[])
              \n{
              \n uint16_t port = std::stoi(argv[2]);
              \n std::string ip = argv[1];<\/p>\n

              HttpServer *svr = new HttpServer(port, ip);
              \n svr->Init();
              \n svr->start();
              \n return 0;
              \n} <\/p>\n

              index.html<\/h3>\n

              <!DOCTYPE html>
              \n<html lang="en">
              \n<head>
              \n <meta charset="UTF-8">
              \n <meta name="viewport" content="width=device-width, initial-scale=1.0">
              \n <title>index<\/title>
              \n<\/head>
              \n<body>
              \n <h1>\u4f60\u662f\u4e00\u4e2a\u597d\u4eba<\/h1>
              \n <a href="http:\/\/49.232.193.163:8080\/a\/b\/hello.html">\u4e0b\u4e00\u9875<\/a>
              \n<\/body>
              \n<\/html> <\/p>\n

              hello.html<\/h3>\n

              <!DOCTYPE html>
              \n<html lang="en">
              \n<head>
              \n <meta charset="UTF-8">
              \n <meta name="viewport" content="width=device-width, initial-scale=1.0">
              \n <title>Hello World<\/title>
              \n<\/head>
              \n<body>
              \n <h1>\u795d\u4f60\u5e78\u798f<\/h1>
              \n <a href="http:\/\/49.232.193.163:8080\/index.html">\u56de\u5230\u9996\u9875<\/a>
              \n<\/body>
              \n<\/html><\/p>\n

              \"\"<\/p>\n

              \"\"<\/p>\n

              \"\"<\/p>\n

              HTTP\u7684\u65b9\u6cd5<\/h2>\n

              \"\"<\/p>\n

              \u5176\u4e2d\u6700\u5e38\u7528\u7684\u5c31\u662fGET\u548cPOST\u65b9\u6cd5<\/p>\n

              \u73b0\u5728\u6211\u4eec\u5c31\u6765\u901a\u8fc7\u73b0\u8c61\u6765\u770b\u770bGET\u548cPOST\u65b9\u6cd5\u6709\u4ec0\u4e48\u4e0d\u540c\u3002<\/p>\n

              GET\u65b9\u6cd5<\/h3>\n

              <!DOCTYPE html>
              \n<html lang="en"><\/p>\n

              <head>
              \n <meta charset="UTF-8">
              \n <meta name="viewport" content="width=device-width, initial-scale=1.0">
              \n <title>index<\/title>
              \n<\/head><\/p>\n

              <body>
              \n <h1>\u4f60\u662f\u4e00\u4e2a\u597d\u4eba<\/h1>
              \n <form action="http:\/\/49.232.193.163:8080\/a\/b\/hello.html" method="GET">
              \n \u94f6\u884c\u5361\u8d26\u53f7：<input type="text" name="user"><br>
              \n \u94f6\u884c\u5361\u5bc6\u7801：<input type="password" name="pass"><br>
              \n <input type="submit" value="\u767b\u5f55">
              \n <\/form>
              \n <a href="http:\/\/49.232.193.163:8080\/a\/b\/hello.html">\u4e0b\u4e00\u9875<\/a>
              \n<\/body><\/p>\n

              <\/html> <\/p>\n

              \"\"<\/p>\n

              \"\"<\/p>\n

              \u901a\u8fc7\u73b0\u8c61\u6211\u4eec\u53ef\u4ee5\u770b\u5230，\u6211\u4eec\u5728\u8f93\u5165\u94f6\u884c\u5361\u8d26\u53f7\u548c\u5bc6\u7801\u4e4b\u540e，\u70b9\u51fb\u767b\u5f55\u4e4b\u540e，\u5e76\u6ca1\u6709\u8df3\u8f6c\u5230\u6211\u4eec\u60f3\u8981\u7684\u754c\u9762，\u800c\u662f\u8fd4\u56de\u7ed9\u6211\u4eec404\u54cd\u5e94\u7801，\u8fd9\u662f\u56e0\u4e3a\u6211\u4eec\u5728\u4f7f\u7528GET\u65b9\u6cd5\u4e4b\u540e，\u4f1a\u5c06\u6211\u4eec\u63d0\u4ea4\u7684\u53c2\u6570\u62fc\u63a5\u5230\u6211\u4eec\u7684url\u4e4b\u540e，\u8fd9\u5c31\u4f7f\u5f97\u6211\u4eec\u7684url\u4e2d\u5c31\u6709\u4e86\u6211\u4eec\u63d0\u4ea4\u7684\u53c2\u6570\u4fe1\u606f\u3002<\/p>\n

              POST\u65b9\u6cd5<\/h3>\n

              <!DOCTYPE html>
              \n<html lang="en"><\/p>\n

              <head>
              \n <meta charset="UTF-8">
              \n <meta name="viewport" content="width=device-width, initial-scale=1.0">
              \n <title>index<\/title>
              \n<\/head><\/p>\n

              <body>
              \n <h1>\u4f60\u662f\u4e00\u4e2a\u597d\u4eba<\/h1>
              \n <form action="http:\/\/49.232.193.163:8080\/a\/b\/hello.html" method="POST">
              \n \u94f6\u884c\u5361\u8d26\u53f7：<input type="text" name="user"><br>
              \n \u94f6\u884c\u5361\u5bc6\u7801：<input type="password" name="pass"><br>
              \n <input type="submit" value="\u767b\u5f55">
              \n <\/form>
              \n <a href="http:\/\/49.232.193.163:8080\/a\/b\/hello.html">\u4e0b\u4e00\u9875<\/a>
              \n<\/body><\/p>\n

              <\/html> <\/p>\n

              \"\"<\/p>\n

              \"\"<\/p>\n

              \"\"<\/p>\n

              \u4ece\u7ed3\u679c\u6765\u770b，\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4f7f\u7528POST\u7684\u65b9\u6cd5\u7684\u65f6\u5019，POST\u7684\u65b9\u6cd5\u4f1a\u5c06\u6211\u4eec\u63d0\u4ea4\u7684\u53c2\u6570\u663e\u793a\u5230http\u8bf7\u6c42\u4fe1\u606f\u4e2d\u7684\u6b63\u6587\u90e8\u5206，\u6211\u4eec\u53ef\u4ee5\u4ece\u6b63\u6587\u90e8\u5206\u770b\u5230\u6211\u4eec\u63d0\u4ea4\u7684\u53c2\u6570\u4fe1\u606f\u3002<\/p>\n

              \u4ece\u4e4b\u524d\u535a\u5ba2\u4e2d\u7684 TCP \u901a\u4fe1，\u5230\u73b0\u5728\u6211\u4eec\u4eb2\u624b\u5b9e\u73b0\u4e00\u4e2a HTTP \u670d\u52a1\u5668，\u5176\u5b9e\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u4e86<\/p>\n

                \n
              • \u4e00\u4e2a\u8bf7\u6c42\u662f\u600e\u4e48\u88ab\u670d\u52a1\u5668\u89e3\u6790\u7684？<\/li>\n
              • \u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u5230\u5e95\u5728\u201c\u8bf4\u4ec0\u4e48\u201d？<\/li>\n
              • GET \u548c POST \u7684\u533a\u522b<\/li>\n<\/ul>\n

                \u603b\u800c\u8a00\u4e4b\u5c31\u662f：<\/p>\n

                👉 HTTP \u4e0d\u518d\u662f\u9ed1\u76d2，\u800c\u53ea\u662f\u4e00\u4e2a\u201c\u6709\u89c4\u5219\u7684\u5b57\u7b26\u4e32\u534f\u8bae\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"

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