{"id":19467,"date":"2025-04-19T01:48:17","date_gmt":"2025-04-18T17:48:17","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/19467.html"},"modified":"2025-04-19T01:48:17","modified_gmt":"2025-04-18T17:48:17","slug":"c-winsock2%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e5%ae%9e%e8%b7%b5%ef%bc%9a%e4%b8%8b%e8%bd%bddemo%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8e%e5%ae%a2%e6%88%b7%e7%ab%af","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/19467.html","title":{"rendered":"C++ Winsock2\u7f51\u7edc\u7f16\u7a0b\u5b9e\u8df5\uff1a\u4e0b\u8f7dDemo\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418174816-680290605fd6e.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom\" \/><\/p>\n<p> \u7b80\u4ecb&#xff1a;\u672c\u6587\u4ecb\u7ecd\u4e86\u4f7f\u7528C&#043;&#043;\u548cWinsock2 API\u7f16\u5199\u7684\u4e00\u4e2a\u7b80\u5355\u4e0b\u8f7d\u6f14\u793a\u7a0b\u5e8f&#xff0c;\u6db5\u76d6\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u3002Winsock2\u4f5c\u4e3aWindows\u5e73\u53f0\u7684TCP\/IP\u901a\u4fe1\u63a5\u53e3&#xff0c;\u652f\u6301\u521b\u5efa\u9ad8\u6548\u548c\u53ef\u9760\u7684\u7f51\u7edc\u5e94\u7528\u3002\u6587\u7ae0\u8be6\u7ec6\u89e3\u91ca\u4e86\u57fa\u7840API\u7684\u4f7f\u7528\u3001\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u7f16\u7a0b\u6a21\u578b\u3001\u975e\u591a\u7ebf\u7a0b\u5904\u7406\u3001\u7f3a\u5c11\u65ad\u70b9\u7eed\u4f20\u529f\u80fd\u3001\u56fe\u5f62\u7528\u6237\u754c\u9762\u7684\u6f5c\u5728\u5e94\u7528\u3001\u6587\u4ef6\u4f20\u8f93\u673a\u5236\u3001\u9519\u8bef\u5904\u7406\u4ee5\u53ca\u7a0b\u5e8f\u7ed3\u675f\u524d\u7684\u6b63\u786e\u8d44\u6e90\u6e05\u7406\u6b65\u9aa4\u3002\u8be5Demo\u4e3a\u7f51\u7edc\u7f16\u7a0b\u521d\u5b66\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5b66\u4e60\u57fa\u7840\u7684\u5e73\u53f0&#xff0c;\u4f46\u8981\u9002\u5e94\u771f\u5b9e\u4e16\u754c\u7684\u9700\u6c42&#xff0c;\u8fd8\u9700\u8981\u8fdb\u4e00\u6b65\u7684\u529f\u80fd\u589e\u5f3a\u3002 <img decoding=\"async\" alt=\"C&#043;&#043; winsock2\u7f16\u5199\u7684\u4e0b\u8f7ddemo\u5305\u542b\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418174816-6802906071092.png\" \/><\/p>\n<h2> 1. Winsock2 API\u57fa\u7840 <\/h2>\n<h3> 1.1 Winsock2 API\u6982\u8ff0 <\/h3>\n<p> Winsock2&#xff08;Windows Sockets 2&#xff09;\u662fWindows\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u5b9e\u73b0TCP\/IP\u7f51\u7edc\u901a\u4fe1\u7684\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3&#xff08;API&#xff09;\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7f51\u7edc\u64cd\u4f5c\u76f8\u5173\u7684\u51fd\u6570&#xff0c;\u4f7f\u5f00\u53d1\u8005\u80fd\u591f\u5728\u9075\u5faaWindows\u5e73\u53f0\u7684\u7279\u5b9a\u5b9e\u73b0\u89c4\u5219\u4e0b\u521b\u5efa\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u5e94\u7528\u7a0b\u5e8f\u3002Winsock2\u4e0d\u4ec5\u652f\u6301\u4f20\u7edf\u7684TCP\/IP\u534f\u8bae&#xff0c;\u8fd8\u652f\u6301\u5176\u4ed6\u591a\u79cd\u534f\u8bae\u3002 <\/p>\n<h3> 1.2 Winsock2\u7684\u5b89\u88c5\u4e0e\u914d\u7f6e <\/h3>\n<p> \u8981\u5f00\u59cb\u4f7f\u7528Winsock2 API&#xff0c;\u5f00\u53d1\u8005\u9996\u5148\u9700\u8981\u5728\u9879\u76ee\u4e2d\u5305\u542b\u76f8\u5e94\u7684\u5934\u6587\u4ef6&#xff0c;\u5e76\u94fe\u63a5\u5230Ws2_32.lib\u5e93\u3002\u5728C\/C&#043;&#043;\u9879\u76ee\u4e2d&#xff0c;\u901a\u5e38\u4f1a\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\u6765\u521d\u59cb\u5316\u548c\u914d\u7f6eWinsock2&#xff1a; <\/p>\n<p>WSADATA wsaData;<br \/>\nint result &#061; WSAStartup(MAKEWORD(2,2), &amp;wsaData);<br \/>\nif (result !&#061; 0) {<br \/>\n    \/\/ \u5904\u7406\u9519\u8bef<br \/>\n}<br \/>\n\/\/ \u91ca\u653eWinsock2\u8d44\u6e90<br \/>\nWSACleanup();<\/p>\n<p>  WSAStartup  \u51fd\u6570\u7528\u4e8e\u521d\u59cb\u5316Winsock2\u670d\u52a1&#xff0c;\u800c  WSACleanup  \u5219\u7528\u4e8e\u91ca\u653e\u8d44\u6e90\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;  MAKEWORD(2,2)  \u8868\u793a\u8bf7\u6c42\u4f7f\u7528Winsock2\u76842.2\u7248\u672c\u3002\u4ee3\u7801\u6267\u884c\u6210\u529f\u540e&#xff0c;\u4fbf\u53ef\u4ee5\u4f7f\u7528Winsock2\u63d0\u4f9b\u7684API\u8fdb\u884c\u7f51\u7edc\u7f16\u7a0b\u3002 <\/p>\n<h3> 1.3 Winsock2\u7684\u7ed3\u6784\u4e0e\u7ec4\u4ef6 <\/h3>\n<p> Winsock2 API\u7531\u4ee5\u4e0b\u51e0\u4e2a\u4e3b\u8981\u90e8\u5206\u7ec4\u6210&#xff1a; <\/p>\n<ul>\n<li> \u63cf\u8ff0\u7b26&#xff1a;\u5957\u63a5\u5b57&#xff08;Socket&#xff09;\u662fWinsock2\u4e2d\u7684\u6838\u5fc3\u7ec4\u4ef6&#xff0c;\u5b83\u4ee3\u8868\u4e86\u4e00\u4e2a\u7f51\u7edc\u901a\u4fe1\u7684\u8fde\u63a5\u70b9\u3002 <\/li>\n<li> \u51fd\u6570&#xff1a;Winsock2\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u51fd\u6570\u7528\u4e8e\u7f51\u7edc\u7f16\u7a0b&#xff0c;\u4f8b\u5982  socket()  ,  bind()  ,  connect()  ,  listen()  ,  accept()  ,  send()  , \u548c  recv()  \u7b49\u3002 <\/li>\n<li> \u7ed3\u6784\u4f53&#xff1a;Winsock2\u4f7f\u7528\u7ed3\u6784\u4f53\u6765\u643a\u5e26\u7f51\u7edc\u5730\u5740\u4fe1\u606f\u548c\u5176\u4ed6\u914d\u7f6e\u4fe1\u606f&#xff0c;\u4f8b\u5982  sockaddr_in  \u7528\u4e8e\u5b58\u50a8IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002 <\/li>\n<\/ul>\n<p> \u901a\u8fc7\u719f\u6089\u8fd9\u4e9bAPI&#xff0c;\u5f00\u53d1\u8005\u53ef\u4ee5\u6784\u5efa\u51fa\u80fd\u591f\u8fdb\u884c\u9ad8\u6548\u7f51\u7edc\u901a\u4fe1\u7684Win32\u5e94\u7528\u7a0b\u5e8f\u3002\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u5c06\u6df1\u5165\u63a2\u8ba8\u670d\u52a1\u5668\u7aef\u548c\u5ba2\u6237\u7aef\u7684\u67b6\u6784\u8bbe\u8ba1\u4e0e\u7f16\u7a0b\u6280\u672f\u3002 <\/p>\n<h2> 2. \u670d\u52a1\u5668\u7aef\u5b9e\u73b0\u548c\u5957\u63a5\u5b57\u7f16\u7a0b <\/h2>\n<h4> 2.1 \u670d\u52a1\u5668\u7aef\u67b6\u6784\u8bbe\u8ba1 <\/h4>\n<h5> 2.1.1 \u670d\u52a1\u5668\u7aef\u5de5\u4f5c\u6d41\u7a0b\u6982\u8ff0 <\/h5>\n<p> \u670d\u52a1\u5668\u7aef\u7684\u4e3b\u8981\u804c\u8d23\u662f\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u5e76\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u6240\u9700\u7684\u670d\u52a1\u3002\u5728Winsock2 API\u4e2d&#xff0c;\u670d\u52a1\u5668\u7aef\u901a\u5e38\u9075\u5faa\u4ee5\u4e0b\u57fa\u672c\u5de5\u4f5c\u6d41\u7a0b&#xff1a; <\/p>\n<li> \u521d\u59cb\u5316Winsock\u5e93\u3002 <\/li>\n<li> \u521b\u5efa\u4e00\u4e2a\u5957\u63a5\u5b57\u5e76\u5bf9\u5176\u8fdb\u884c\u914d\u7f6e\u3002 <\/li>\n<li> \u5c06\u5957\u63a5\u5b57\u7ed1\u5b9a\u5230\u4e00\u4e2a\u6307\u5b9a\u7684\u7aef\u53e3\u4e0a\u3002 <\/li>\n<li> \u76d1\u542c\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002 <\/li>\n<li> \u63a5\u53d7\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u3002 <\/li>\n<li> \u5904\u7406\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6570\u636e\u8bf7\u6c42\u3002 <\/li>\n<li> \u53d1\u9001\u54cd\u5e94\u6570\u636e\u7ed9\u5ba2\u6237\u7aef\u3002 <\/li>\n<li> \u5173\u95ed\u8fde\u63a5\u3002 <\/li>\n<li> \u6e05\u7406\u5e76\u5173\u95ed\u5957\u63a5\u5b57\u3002 <\/li>\n<h5> 2.1.2 Winsock2 \u521d\u59cb\u5316\u4e0e\u914d\u7f6e <\/h5>\n<p> \u521d\u59cb\u5316Winsock\u5e93\u662f\u7f16\u5199Winsock\u5e94\u7528\u7a0b\u5e8f\u7684\u7b2c\u4e00\u6b65\u3002\u5728C\u6216C&#043;&#043;\u4e2d&#xff0c;\u4f60\u9700\u8981\u8c03\u7528  WSAStartup  \u51fd\u6570\u6765\u5b8c\u6210\u8fd9\u4e00\u4efb\u52a1\u3002\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b&#xff1a; <\/p>\n<p>WSADATA wsaData;<br \/>\nint iResult &#061; WSAStartup(MAKEWORD(2,2), &amp;wsaData);<br \/>\nif (iResult !&#061; 0) {<br \/>\n    printf(&#034;WSAStartup failed: %d\\\\n&#034;, iResult);<br \/>\n    return 1;<br \/>\n}<\/p>\n<p>  WSAStartup  \u51fd\u6570\u7684\u53c2\u6570\u6307\u5b9a\u4e86\u8bf7\u6c42\u7684Winsock\u7248\u672c\u3002  MAKEWORD(2,2)  \u8868\u793a\u8bf7\u6c42\u4f7f\u7528Winsock 2.2\u7248\u672c\u3002\u5982\u679c\u521d\u59cb\u5316\u6210\u529f&#xff0c;\u51fd\u6570\u4f1a\u8fd4\u56de0&#xff0c;\u5e76\u4e14  wsaData  \u7ed3\u6784\u4f53\u4e2d\u5305\u542b\u4e86Winsock\u670d\u52a1\u63d0\u4f9b\u8005\u7684\u4fe1\u606f\u3002 <\/p>\n<h4> 2.2 \u670d\u52a1\u5668\u7aef\u6838\u5fc3\u7f16\u7a0b\u6280\u672f <\/h4>\n<h5> 2.2.1 \u521b\u5efa\u548c\u7ed1\u5b9a\u76d1\u542c\u5957\u63a5\u5b57 <\/h5>\n<p> \u5728\u670d\u52a1\u5668\u7aef\u7a0b\u5e8f\u4e2d&#xff0c;\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5957\u63a5\u5b57\u3002\u5728Win32 API\u4e2d&#xff0c;\u4f7f\u7528  socket  \u51fd\u6570\u521b\u5efa\u5957\u63a5\u5b57&#xff1a; <\/p>\n<p>SOCKET ListenSocket &#061; socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);<br \/>\nif (ListenSocket &#061;&#061; INVALID_SOCKET) {<br \/>\n    printf(&#034;socket failed with error: %ld\\\\n&#034;, WSAGetLastError());<br \/>\n    WSACleanup();<br \/>\n    return 1;<br \/>\n}<\/p>\n<p> \u5957\u63a5\u5b57\u521b\u5efa\u6210\u529f\u540e&#xff0c;\u9700\u8981\u5c06\u5176\u7ed1\u5b9a\u5230\u4e00\u4e2aIP\u5730\u5740\u548c\u7aef\u53e3\u4e0a\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7  bind  \u51fd\u6570\u5b8c\u6210&#xff1a; <\/p>\n<p>sockaddr_in service;<br \/>\nservice.sin_family &#061; AF_INET;<br \/>\nservice.sin_addr.s_addr &#061; inet_addr(&#034;***.*.*.*&#034;);<br \/>\nservice.sin_port &#061; htons(27015);<\/p>\n<p>if (bind(ListenSocket, (SOCKADDR *)&amp; service, sizeof(service)) &#061;&#061; SOCKET_ERROR) {<br \/>\n    printf(&#034;bind failed with error: %d\\\\n&#034;, WSAGetLastError());<br \/>\n    closesocket(ListenSocket);<br \/>\n    WSACleanup();<br \/>\n    return 1;<br \/>\n}<\/p>\n<h5> 2.2.2 \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5 <\/h5>\n<p> \u521b\u5efa\u5e76\u7ed1\u5b9a\u5957\u63a5\u5b57\u540e&#xff0c;\u670d\u52a1\u5668\u7aef\u7a0b\u5e8f\u8fdb\u5165\u76d1\u542c\u72b6\u6001&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002\u4f7f\u7528  listen  \u51fd\u6570\u53ef\u4ee5\u4f7f\u5957\u63a5\u5b57\u8fdb\u5165\u76d1\u542c\u72b6\u6001&#xff1a; <\/p>\n<p>if (listen(ListenSocket, SOMAXCONN) &#061;&#061; SOCKET_ERROR) {<br \/>\n    printf(&#034;listen failed with error: %d\\\\n&#034;, WSAGetLastError());<br \/>\n    closesocket(ListenSocket);<br \/>\n    WSACleanup();<br \/>\n    return 1;<br \/>\n}<\/p>\n<p> \u4e4b\u540e&#xff0c;\u4f7f\u7528  accept  \u51fd\u6570\u7b49\u5f85\u5e76\u63a5\u53d7\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42&#xff1a; <\/p>\n<p>SOCKET ClientSocket &#061; accept(ListenSocket, NULL, NULL);<br \/>\nif (ClientSocket &#061;&#061; INVALID_SOCKET) {<br \/>\n    printf(&#034;accept failed with error: %d\\\\n&#034;, WSAGetLastError());<br \/>\n    closesocket(ListenSocket);<br \/>\n    WSACleanup();<br \/>\n    return 1;<br \/>\n}<\/p>\n<p>  accept  \u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5957\u63a5\u5b57&#xff0c;\u8be5\u5957\u63a5\u5b57\u7528\u4e8e\u4e0e\u5ba2\u6237\u7aef\u901a\u4fe1&#xff0c;\u800c\u76d1\u542c\u5957\u63a5\u5b57\u4fdd\u6301\u4e0d\u53d8&#xff0c;\u7ee7\u7eed\u76d1\u542c\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u3002 <\/p>\n<h5> 2.2.3 \u6570\u636e\u63a5\u6536\u4e0e\u53d1\u9001\u673a\u5236 <\/h5>\n<p> \u6570\u636e\u63a5\u6536\u548c\u53d1\u9001\u662f\u670d\u52a1\u5668\u7aef\u7a0b\u5e8f\u4e0e\u5ba2\u6237\u7aef\u8fdb\u884c\u901a\u4fe1\u7684\u6838\u5fc3\u3002\u4f7f\u7528  recv  \u548c  send  \u51fd\u6570\u6765\u5b8c\u6210\u8fd9\u4e9b\u64cd\u4f5c&#xff1a; <\/p>\n<p>char recvbuf[512];<br \/>\nint iSendResult;<br \/>\nint recvbuflen &#061; 512;<\/p>\n<p>\/\/ \u63a5\u6536\u6570\u636e<br \/>\nint iResult &#061; recv(ClientSocket, recvbuf, recvbuflen, 0);<br \/>\nif (iResult &gt; 0) {<br \/>\n    printf(&#034;Bytes received: %d\\\\n&#034;, iResult);<\/p>\n<p>    \/\/ \u53d1\u9001\u6570\u636e<br \/>\n    iSendResult &#061; send(ClientSocket, recvbuf, iResult, 0);<br \/>\n    if (iSendResult &#061;&#061; SOCKET_ERROR) {<br \/>\n        printf(&#034;send failed with error: %d\\\\n&#034;, WSAGetLastError());<br \/>\n        closesocket(ClientSocket);<br \/>\n        WSACleanup();<br \/>\n        return 1;<br \/>\n    }<br \/>\n    printf(&#034;Bytes sent: %d\\\\n&#034;, iSendResult);<br \/>\n} else if (iResult &#061;&#061; 0)<br \/>\n    printf(&#034;Connection closing&#8230;\\\\n&#034;);<br \/>\nelse {<br \/>\n    printf(&#034;recv failed with error: %d\\\\n&#034;, WSAGetLastError());<br \/>\n    closesocket(ClientSocket);<br \/>\n    WSACleanup();<br \/>\n    return 1;<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d&#xff0c;\u670d\u52a1\u5668\u4f7f\u7528  recv  \u51fd\u6570\u4ece\u5ba2\u6237\u7aef\u63a5\u6536\u6570\u636e&#xff0c;\u5e76\u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u5b58\u50a8\u5728  recvbuf  \u7f13\u51b2\u533a\u4e2d\u3002\u7136\u540e&#xff0c;\u4f7f\u7528  send  \u51fd\u6570\u5c06\u76f8\u540c\u7684\u6570\u636e\u56de\u53d1\u7ed9\u5ba2\u6237\u7aef&#xff0c;\u4ee5\u6b64\u5b9e\u73b0\u6570\u636e\u7684\u53cc\u5411\u901a\u4fe1\u3002 <\/p>\n<p> \u8bf7\u6ce8\u610f&#xff0c;\u4e3a\u4e86\u786e\u4fdd\u670d\u52a1\u5668\u7aef\u7a0b\u5e8f\u7a33\u5b9a\u8fd0\u884c&#xff0c;\u9519\u8bef\u5904\u7406\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u8fc7\u7a0b\u4e2d&#xff0c;\u8fd8\u9700\u8981\u5bf9\u4e0a\u8ff0\u793a\u4f8b\u4ee3\u7801\u8fdb\u884c\u9519\u8bef\u5904\u7406\u7684\u6269\u5c55\u548c\u5b8c\u5584\u3002 <\/p>\n<h2> 3. \u5ba2\u6237\u7aef\u5b9e\u73b0\u548c\u5957\u63a5\u5b57\u7f16\u7a0b <\/h2>\n<h3> 3.1 \u5ba2\u6237\u7aef\u67b6\u6784\u8bbe\u8ba1 <\/h3>\n<h4> 3.1.1 \u5ba2\u6237\u7aef\u5de5\u4f5c\u6d41\u7a0b\u6982\u8ff0 <\/h4>\n<p> \u5ba2\u6237\u7aef\u7a0b\u5e8f\u7684\u4e3b\u8981\u4efb\u52a1\u662f\u4ece\u7528\u6237\u90a3\u91cc\u63a5\u6536\u8f93\u5165&#xff0c;\u5e76\u901a\u8fc7\u7f51\u7edc\u5c06\u6570\u636e\u8bf7\u6c42\u53d1\u9001\u7ed9\u670d\u52a1\u5668&#xff0c;\u7136\u540e\u63a5\u6536\u670d\u52a1\u5668\u7684\u54cd\u5e94\u5e76\u5904\u7406\u3002\u5ba2\u6237\u7aef\u67b6\u6784\u8bbe\u8ba1\u9700\u786e\u4fdd\u80fd\u591f\u6709\u6548\u5730\u4e0e\u670d\u52a1\u5668\u901a\u4fe1&#xff0c;\u540c\u65f6\u4e3a\u7528\u6237\u63d0\u4f9b\u76f4\u89c2\u3001\u6613\u7528\u7684\u754c\u9762\u3002 <\/p>\n<p> \u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u70b9&#xff0c;\u5ba2\u6237\u7aef\u5de5\u4f5c\u6d41\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u6b65\u9aa4&#xff1a; <\/p>\n<li> \u521d\u59cb\u5316Winsock2\u73af\u5883\u5e76\u914d\u7f6e\u5fc5\u8981\u7684\u53c2\u6570\u3002 <\/li>\n<li> \u7528\u6237\u8f93\u5165\u4fe1\u606f&#xff0c;\u5982\u670d\u52a1\u5668\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002 <\/li>\n<li> \u5c1d\u8bd5\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u3002 <\/li>\n<li> \u4e00\u65e6\u8fde\u63a5\u5efa\u7acb&#xff0c;\u6839\u636e\u7528\u6237\u9700\u6c42&#xff0c;\u53d1\u9001\u6570\u636e\u8bf7\u6c42\u5230\u670d\u52a1\u5668\u3002 <\/li>\n<li> \u63a5\u6536\u670d\u52a1\u5668\u8fd4\u56de\u7684\u6570\u636e&#xff0c;\u5904\u7406\u5e76\u5c55\u793a\u7ed9\u7528\u6237\u3002 <\/li>\n<li> \u5728\u7528\u6237\u7ed3\u675f\u4f1a\u8bdd\u540e&#xff0c;\u5173\u95ed\u5957\u63a5\u5b57\u8fde\u63a5&#xff0c;\u5e76\u8fdb\u884c\u8d44\u6e90\u6e05\u7406\u3002 <\/li>\n<p> \u6574\u4e2a\u6d41\u7a0b\u4e0d\u4ec5\u6d89\u53ca\u7f51\u7edc\u901a\u4fe1&#xff0c;\u8fd8\u6d89\u53ca\u7528\u6237\u4ea4\u4e92\u548c\u7a0b\u5e8f\u903b\u8f91&#xff0c;\u786e\u4fdd\u5ba2\u6237\u7aef\u5e94\u7528\u65e2\u54cd\u5e94\u8fc5\u901f\u53c8\u7528\u6237\u53cb\u597d\u3002 <\/p>\n<h4> 3.1.2 Winsock2 \u521d\u59cb\u5316\u4e0e\u914d\u7f6e <\/h4>\n<p> \u5728\u5ba2\u6237\u7aef\u7a0b\u5e8f\u4e2d&#xff0c;\u521d\u59cb\u5316Winsock2\u5e93\u662f\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u7684\u524d\u63d0\u3002Winsock2\u7684\u521d\u59cb\u5316\u6b65\u9aa4\u5305\u62ec\u8c03\u7528  WSAStartup  \u6765\u52a0\u8f7dWinsock DLL&#xff0c;\u5e76\u8bbe\u7f6e\u901a\u4fe1\u6240\u9700\u7684\u7248\u672c\u4fe1\u606f\u3002 <\/p>\n<p> \u5177\u4f53\u5b9e\u73b0\u65f6&#xff0c;\u9996\u5148\u9700\u8981\u5728\u7a0b\u5e8f\u4e2d\u5305\u542bWinsock2.h\u5934\u6587\u4ef6\u3002\u7136\u540e\u5b9a\u4e49\u4e00\u4e2aWSADATA\u7ed3\u6784\u4f53\u53d8\u91cf\u7528\u4e8e\u5b58\u50a8\u521d\u59cb\u5316\u4fe1\u606f\u3002\u4e4b\u540e&#xff0c;\u8c03\u7528  WSAStartup  \u51fd\u6570&#xff0c;\u4f20\u5165\u6240\u9700\u7684Winsock\u7248\u672c\u4ee5\u53ca\u4e00\u4e2aWSADATA\u7ed3\u6784\u4f53\u7684\u6307\u9488\u3002 <\/p>\n<p>#include &lt;winsock2.h&gt;<br \/>\n#include &lt;stdio.h&gt;<\/p>\n<p>#pragma comment(lib, &#034;ws2_32.lib&#034;) \/\/ \u94fe\u63a5Winsock\u5e93<\/p>\n<p>int main() {<br \/>\n    WSADATA wsaData;<br \/>\n    int result;<\/p>\n<p>    \/\/ \u521d\u59cb\u5316Winsock<br \/>\n    result &#061; WSAStartup(MAKEWORD(2, 2), &amp;wsaData);<br \/>\n    if (result !&#061; 0) {<br \/>\n        printf(&#034;WSAStartup failed: %d\\\\n&#034;, result);<br \/>\n        return 1;<br \/>\n    }<\/p>\n<p>    \/\/ \u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u76f8\u5173\u64cd\u4f5c<\/p>\n<p>    \/\/ \u6e05\u7406\u8d44\u6e90<br \/>\n    WSACleanup();<br \/>\n    return 0;<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d&#xff0c;  MAKEWORD(2, 2)  \u6307\u5b9a\u4e86Winsock\u7248\u672c2.2\u3002\u5982\u679cWinsock\u521d\u59cb\u5316\u6210\u529f&#xff0c;  WSAStartup  \u4f1a\u8fd4\u56de\u96f6\u3002\u4e4b\u540e&#xff0c;\u7a0b\u5e8f\u53ef\u4ee5\u7ee7\u7eed\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c&#xff0c;\u4f8b\u5982\u8fde\u63a5\u670d\u52a1\u5668\u3002\u5b8c\u6210\u7f51\u7edc\u901a\u4fe1\u540e&#xff0c;\u4f7f\u7528  WSACleanup  \u51fd\u6570\u6765\u91ca\u653e\u8d44\u6e90\u5e76\u5173\u95edWinsock\u3002 <\/p>\n<h3> 3.2 \u5ba2\u6237\u7aef\u6838\u5fc3\u7f16\u7a0b\u6280\u672f <\/h3>\n<h4> 3.2.1 \u8fde\u63a5\u5230\u670d\u52a1\u5668 <\/h4>\n<p> \u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684\u8fc7\u7a0b\u662f\u901a\u8fc7\u521b\u5efa\u5957\u63a5\u5b57&#xff08;Socket&#xff09;&#xff0c;\u5e76\u4f7f\u7528\u8be5\u5957\u63a5\u5b57\u5c1d\u8bd5\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u3002\u8fd9\u4e00\u8fc7\u7a0b\u5305\u62ec\u521b\u5efa\u5957\u63a5\u5b57\u3001\u7ed1\u5b9a\u5730\u5740\u3001\u8fde\u63a5\u670d\u52a1\u5668\u4e09\u4e2a\u57fa\u672c\u6b65\u9aa4\u3002 <\/p>\n<p> \u9996\u5148&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5957\u63a5\u5b57&#xff0c;\u4f7f\u7528  socket  \u51fd\u6570\u3002\u5728\u6210\u529f\u521b\u5efa\u5957\u63a5\u5b57\u540e&#xff0c;\u9700\u8981\u5c06\u5957\u63a5\u5b57\u4e0e\u672c\u5730\u5730\u5740\u53ca\u7aef\u53e3\u7ed1\u5b9a&#xff0c;\u4f7f\u7528  bind  \u51fd\u6570\u3002\u5728Windows\u5e73\u53f0\u4e0a&#xff0c;\u672c\u5730\u5730\u5740\u548c\u7aef\u53e3\u901a\u5e38\u662f\u81ea\u52a8\u5206\u914d\u7684&#xff0c;\u56e0\u6b64\u53ef\u4ee5\u4f20\u9012NULL\u7ed9  bind  \u51fd\u6570\u3002 <\/p>\n<p> \u4e4b\u540e&#xff0c;\u5ba2\u6237\u7aef\u5c1d\u8bd5\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u4f7f\u7528  connect  \u51fd\u6570&#xff0c;\u4f20\u5165\u670d\u52a1\u5668\u7684\u5730\u5740\u548c\u7aef\u53e3\u4fe1\u606f\u3002\u5982\u679c\u670d\u52a1\u5668\u63a5\u53d7\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u51fd\u6570\u5c06\u8fd4\u56de0&#xff0c;\u8868\u793a\u6210\u529f\u5efa\u7acb\u8fde\u63a5\u3002 <\/p>\n<p>SOCKET ConnectToServer(const char* serverIP, int serverPort) {<br \/>\n    SOCKET clientSocket &#061; socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);<br \/>\n    if (clientSocket &#061;&#061; INVALID_SOCKET) {<br \/>\n        printf(&#034;Failed to create socket: %ld\\\\n&#034;, WSAGetLastError());<br \/>\n        return INVALID_SOCKET;<br \/>\n    }<\/p>\n<p>    struct sockaddr_in serverAddr;<br \/>\n    memset(&amp;serverAddr, 0, sizeof(serverAddr));<br \/>\n    serverAddr.sin_family &#061; AF_INET;<br \/>\n    serverAddr.sin_port &#061; htons(serverPort);<br \/>\n    inet_pton(AF_INET, serverIP, &amp;serverAddr.sin_addr);<\/p>\n<p>    if (connect(clientSocket, (struct sockaddr*)&amp;serverAddr, sizeof(serverAddr)) &#061;&#061; SOCKET_ERROR) {<br \/>\n        printf(&#034;Connection to server failed: %ld\\\\n&#034;, WSAGetLastError());<br \/>\n        closesocket(clientSocket);<br \/>\n        return INVALID_SOCKET;<br \/>\n    }<\/p>\n<p>    return clientSocket;<br \/>\n}<\/p>\n<p> \u5728\u8be5\u51fd\u6570\u4e2d&#xff0c;  inet_pton  \u51fd\u6570\u7528\u4e8e\u5c06\u70b9\u5206\u5341\u8fdb\u5236\u7684IP\u5730\u5740\u8f6c\u6362\u4e3a\u7f51\u7edc\u5b57\u8282\u987a\u5e8f\u7684\u5730\u5740\u683c\u5f0f\u3002\u82e5\u8fde\u63a5\u6210\u529f&#xff0c;\u8fd4\u56de\u7684\u662f\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u901a\u8baf\u7684\u5957\u63a5\u5b57&#xff0c;\u5426\u5219\u8fd4\u56de  INVALID_SOCKET  \u3002 <\/p>\n<h4> 3.2.2 \u53d1\u8d77\u6570\u636e\u8bf7\u6c42\u4e0e\u63a5\u6536\u54cd\u5e94 <\/h4>\n<p> \u4e00\u65e6\u5ba2\u6237\u7aef\u6210\u529f\u8fde\u63a5\u5230\u670d\u52a1\u5668&#xff0c;\u5c31\u53ef\u4ee5\u5f00\u59cb\u6570\u636e\u4f20\u8f93\u4e86\u3002\u6570\u636e\u4f20\u8f93\u901a\u5e38\u6d89\u53ca\u4e24\u4e2a\u4e3b\u8981\u6b65\u9aa4&#xff1a;\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u548c\u63a5\u6536\u670d\u52a1\u5668\u7684\u54cd\u5e94\u3002 <\/p>\n<p> \u4e3a\u4e86\u53d1\u9001\u8bf7\u6c42&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u51c6\u5907\u8981\u53d1\u9001\u7684\u6570\u636e&#xff0c;\u7136\u540e\u4f7f\u7528  send  \u51fd\u6570\u5c06\u6570\u636e\u53d1\u9001\u5230\u670d\u52a1\u5668\u3002\u670d\u52a1\u5668\u63a5\u6536\u5230\u6570\u636e\u540e&#xff0c;\u4f1a\u5904\u7406\u8fd9\u4e9b\u8bf7\u6c42&#xff0c;\u5e76\u901a\u8fc7\u76f8\u540c\u7684\u5957\u63a5\u5b57\u53d1\u9001\u54cd\u5e94\u6570\u636e\u3002 <\/p>\n<p> \u5ba2\u6237\u7aef\u4f7f\u7528  recv  \u51fd\u6570\u6765\u63a5\u6536\u6570\u636e\u3002\u5728\u8c03\u7528  recv  \u51fd\u6570\u65f6&#xff0c;\u9700\u8981\u63d0\u4f9b\u8db3\u591f\u5927\u7684\u7f13\u51b2\u533a\u6765\u5b58\u50a8\u6536\u5230\u7684\u6570\u636e\u3002 <\/p>\n<p>ssize_t SendRequest(SOCKET sock, const char* request) {<br \/>\n    return send(sock, request, strlen(request), 0);<br \/>\n}<\/p>\n<p>ssize_t ReceiveResponse(SOCKET sock, char* buffer, size_t bufferSize) {<br \/>\n    return recv(sock, buffer, bufferSize, 0);<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d&#xff0c;  send  \u51fd\u6570\u548c  recv  \u51fd\u6570\u5747\u4ee5  SOCKET  \u7c7b\u578b\u7684\u5957\u63a5\u5b57\u548c\u7f13\u51b2\u533a\u4f5c\u4e3a\u53c2\u6570\u3002  send  \u51fd\u6570\u8fd8\u4f1a\u8fd4\u56de\u5b9e\u9645\u53d1\u9001\u7684\u6570\u636e\u91cf\u3002  recv  \u51fd\u6570\u4f1a\u6839\u636e\u6536\u5230\u7684\u6570\u636e\u6765\u586b\u5145\u7f13\u51b2\u533a&#xff0c;\u5982\u679c\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38&#xff0c;\u5b83\u5c06\u8fd4\u56de\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u3002 <\/p>\n<p> \u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u5728\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u65f6&#xff0c;\u5e94\u8be5\u68c0\u67e5\u8fd4\u56de\u503c&#xff0c;\u786e\u8ba4\u6570\u636e\u4f20\u8f93\u662f\u5426\u6210\u529f\u3002\u5bf9\u4e8e  send  \u51fd\u6570&#xff0c;\u5982\u679c\u8fd4\u56de\u503c\u5c0f\u4e8e\u8bf7\u6c42\u53d1\u9001\u7684\u6570\u636e\u91cf&#xff0c;\u53ef\u80fd\u9700\u8981\u518d\u6b21\u5c1d\u8bd5\u53d1\u9001\u672a\u53d1\u9001\u7684\u6570\u636e\u3002\u5bf9\u4e8e  recv  \u51fd\u6570&#xff0c;\u5982\u679c\u8fd4\u56de\u503c\u5c0f\u4e8e\u7f13\u51b2\u533a\u5927\u5c0f&#xff0c;\u8868\u660e\u53ef\u80fd\u5df2\u7ecf\u8bfb\u53d6\u4e86\u6240\u6709\u53ef\u7528\u6570\u636e&#xff0c;\u6216\u7f51\u7edc\u8fde\u63a5\u5df2\u7ecf\u4e2d\u65ad\u3002 <\/p>\n<p> \u6574\u4e2a\u8fc7\u7a0b\u6d89\u53ca\u5230\u7684\u6570\u636e\u8bf7\u6c42\u548c\u54cd\u5e94\u673a\u5236&#xff0c;\u662f\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u95f4\u901a\u4fe1\u7684\u6838\u5fc3\u3002\u6b63\u786e\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u4e0d\u4ec5\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u4ea4\u6362&#xff0c;\u8fd8\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n<h2> 4. \u975e\u591a\u7ebf\u7a0b\u5b9e\u73b0\u7684\u5c40\u9650\u6027\u4e0e\u65ad\u70b9\u7eed\u4f20\u529f\u80fd\u7f3a\u5931 <\/h2>\n<h3> 4.1 \u975e\u591a\u7ebf\u7a0b\u5b9e\u73b0\u7684\u5c40\u9650\u6027 <\/h3>\n<h4> 4.1.1 \u5355\u7ebf\u7a0b\u9650\u5236\u4e0e\u963b\u585e\u95ee\u9898 <\/h4>\n<p> \u5728\u975e\u591a\u7ebf\u7a0b\u7684\u670d\u52a1\u5668\u5b9e\u73b0\u4e2d&#xff0c;\u670d\u52a1\u5668\u901a\u5e38\u4f7f\u7528\u4e00\u4e2a\u5355\u72ec\u7684\u7ebf\u7a0b\u6765\u5904\u7406\u6240\u6709\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002\u8fd9\u79cd\u65b9\u5f0f\u7684\u4e00\u4e2a\u4e3b\u8981\u9650\u5236\u5c31\u662f\u963b\u585e\u95ee\u9898\u3002\u5355\u7ebf\u7a0b\u5728\u6267\u884c\u4e00\u4e2a\u64cd\u4f5c\u65f6&#xff0c;\u5982\u7b49\u5f85I\/O\u64cd\u4f5c\u5b8c\u6210\u6216\u957f\u65f6\u95f4\u5904\u7406\u6570\u636e&#xff0c;\u4f1a\u963b\u585e\u6574\u4e2a\u7ebf\u7a0b&#xff0c;\u5bfc\u81f4\u65e0\u6cd5\u5904\u7406\u5176\u4ed6\u5ba2\u6237\u7aef\u7684\u4efb\u4f55\u8bf7\u6c42\u3002\u8fd9\u79cd\u73b0\u8c61\u88ab\u79f0\u4e3a&#034;\u963b\u585e&#034;&#xff0c;\u4f1a\u5bf9\u7cfb\u7edf\u7684\u54cd\u5e94\u65f6\u95f4\u548c\u53ef\u6269\u5c55\u6027\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002 <\/p>\n<p>\/\/ \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u963b\u585e\u5f0f\u4ee3\u7801\u793a\u4f8b<br \/>\nint main() {<br \/>\n    \/\/ \u521d\u59cb\u5316Winsock2&#8230;<br \/>\n    \/\/ \u521b\u5efa\u4e00\u4e2a\u5957\u63a5\u5b57&#8230;<\/p>\n<p>    \/\/ \u5047\u8bbe\u6b63\u5728\u7b49\u5f85\u5ba2\u6237\u7aef\u7684\u8fde\u63a5<br \/>\n    \/\/ \u6b64\u65f6\u7684\u963b\u585e\u5c06\u963b\u6b62\u5176\u4ed6\u4efb\u4f55\u64cd\u4f5c<br \/>\n    struct sockaddr_in clientAddr;<br \/>\n    int clientAddrSize &#061; sizeof(clientAddr);<br \/>\n    HANDLE client &#061; accept(serverSocket, (struct sockaddr*)&amp;clientAddr, &amp;clientAddrSize);<\/p>\n<p>    \/\/ \u8fd9\u91cc\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42<br \/>\n    \/\/ \u5982\u679c\u5904\u7406\u65f6\u95f4\u8fc7\u957f&#xff0c;\u6574\u4e2a\u670d\u52a1\u5668\u7ebf\u7a0b\u5c06\u88ab\u963b\u585e<\/p>\n<p>    \/\/ \u5173\u95ed\u5957\u63a5\u5b57<br \/>\n    closesocket(client);<br \/>\n    closesocket(serverSocket);<br \/>\n    WSACleanup();<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d&#xff0c;\u670d\u52a1\u5668\u5c06\u4e00\u76f4\u963b\u585e\u5728  accept()  \u8c03\u7528\u4e0a&#xff0c;\u76f4\u5230\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u3002\u5982\u679c\u670d\u52a1\u5668\u6b63\u5fd9\u4e8e\u5904\u7406\u53e6\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42&#xff0c;\u65b0\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u5c06\u65e0\u6cd5\u88ab\u53ca\u65f6\u5904\u7406\u3002 <\/p>\n<h4> 4.1.2 \u53ef\u6269\u5c55\u6027\u4e0e\u6027\u80fd\u5206\u6790 <\/h4>\n<p> \u5355\u7ebf\u7a0b\u670d\u52a1\u5668\u5728\u5904\u7406\u591a\u5e76\u53d1\u8fde\u63a5\u65f6\u5b58\u5728\u660e\u663e\u7684\u6027\u80fd\u74f6\u9888\u3002\u7531\u4e8e\u5904\u7406\u8bf7\u6c42\u7684\u65b9\u5f0f\u662f\u987a\u5e8f\u7684&#xff0c;\u5b83\u4eec\u65e0\u6cd5\u5145\u5206\u5229\u7528\u73b0\u4ee3\u591a\u6838\u5904\u7406\u5668\u7684\u4f18\u52bf\u3002\u968f\u7740\u5ba2\u6237\u7aef\u6570\u91cf\u7684\u589e\u52a0&#xff0c;\u54cd\u5e94\u65f6\u95f4\u5ef6\u957f&#xff0c;\u6700\u7ec8\u53ef\u80fd\u5bfc\u81f4\u5ba2\u6237\u7aef\u8bf7\u6c42\u8d85\u65f6\u3002 <\/p>\n<p> \u4e3a\u4e86\u8fdb\u4e00\u6b65\u5206\u6790\u975e\u591a\u7ebf\u7a0b\u5b9e\u73b0\u7684\u6027\u80fd&#xff0c;\u6211\u4eec\u53ef\u4ee5\u6a21\u62df\u591a\u4e2a\u5ba2\u6237\u7aef\u5e76\u53d1\u8fde\u63a5\u7684\u60c5\u51b5&#xff0c;\u5e76\u6d4b\u91cf\u8bf7\u6c42\u5904\u7406\u65f6\u95f4\u548c\u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002\u53ef\u4ee5\u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\u5982  Process Explorer  \u548c  Wireshark  \u6765\u76d1\u6d4b\u670d\u52a1\u5668\u7684CPU\u548c\u7f51\u7edc\u4f7f\u7528\u60c5\u51b5\u3002 <\/p>\n<h3> 4.2 \u7f3a\u5c11\u65ad\u70b9\u7eed\u4f20\u529f\u80fd\u7684\u95ee\u9898\u5206\u6790 <\/h3>\n<h4> 4.2.1 \u65ad\u70b9\u7eed\u4f20\u7684\u5de5\u4f5c\u539f\u7406 <\/h4>\n<p> \u65ad\u70b9\u7eed\u4f20\u662f\u4e00\u79cd\u6587\u4ef6\u4f20\u8f93\u534f\u8bae\u7684\u529f\u80fd&#xff0c;\u5141\u8bb8\u5728\u6587\u4ef6\u4f20\u8f93\u8fc7\u7a0b\u4e2d&#xff0c;\u5982\u679c\u9047\u5230\u4e2d\u65ad&#xff0c;\u53ef\u4ee5\u5728\u4e0a\u6b21\u4e2d\u65ad\u7684\u70b9\u6062\u590d\u4f20\u8f93&#xff0c;\u800c\u4e0d\u662f\u91cd\u65b0\u5f00\u59cb\u3002\u8fd9\u79cd\u673a\u5236\u63d0\u9ad8\u4e86\u6587\u4ef6\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027&#xff0c;\u5c24\u5176\u9002\u7528\u4e8e\u5927\u6587\u4ef6\u7684\u4f20\u8f93\u3002 <\/p>\n<p> \u65ad\u70b9\u7eed\u4f20\u901a\u5e38\u9700\u8981\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4ea4\u6362\u5173\u4e8e\u6587\u4ef6\u4f20\u8f93\u72b6\u6001\u7684\u4fe1\u606f\u3002\u670d\u52a1\u5668\u9700\u8981\u8bb0\u5f55\u6bcf\u4e2a\u6587\u4ef6\u4f20\u8f93\u7684\u504f\u79fb\u91cf&#xff0c;\u4ee5\u4fbf\u5728\u8fde\u63a5\u91cd\u65b0\u5efa\u7acb\u65f6&#xff0c;\u4ece\u4e0a\u6b21\u4e2d\u65ad\u7684\u4f4d\u7f6e\u7ee7\u7eed\u4f20\u8f93\u3002 <\/p>\n<p>flowchart LR<br \/>\n    A[\u5ba2\u6237\u7aef\u8bf7\u6c42\u6587\u4ef6] &#8211;&gt;|\u53d1\u9001\u5f53\u524d\u504f\u79fb\u91cf| B[\u670d\u52a1\u5668]<br \/>\n    B &#8211;&gt;|\u786e\u8ba4\u504f\u79fb\u91cf\u548c\u6587\u4ef6\u5927\u5c0f| A<br \/>\n    A &#8211;&gt;|\u53d1\u9001\u8303\u56f4\u8bf7\u6c42| B<br \/>\n    B &#8211;&gt;|\u90e8\u5206\u6587\u4ef6\u54cd\u5e94| A<\/p>\n<h4> 4.2.2 \u73b0\u6709\u65b9\u6848\u7684\u6539\u8fdb\u4e0e\u5b9e\u73b0 <\/h4>\n<p> \u8981\u5b9e\u73b0\u65ad\u70b9\u7eed\u4f20&#xff0c;\u670d\u52a1\u5668\u5fc5\u987b\u80fd\u591f\u89e3\u6790HTTP\u534f\u8bae\u4e2d\u7684  Range  \u5934\u90e8\u4fe1\u606f&#xff0c;\u5e76\u6839\u636e\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u5f53\u524d\u504f\u79fb\u91cf\u548c\u8bf7\u6c42\u7684\u8303\u56f4&#xff0c;\u8fd4\u56de\u76f8\u5e94\u7684\u6587\u4ef6\u7247\u6bb5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u4f2a\u4ee3\u7801\u793a\u4f8b&#xff0c;\u5c55\u793a\u5982\u4f55\u5904\u7406\u8303\u56f4\u8bf7\u6c42&#xff1a; <\/p>\n<p>\/\/ \u4f2a\u4ee3\u7801&#xff0c;\u5904\u7406\u8303\u56f4\u8bf7\u6c42\u7684\u903b\u8f91<br \/>\nvoid handleRangeRequest(char* rangedFile, int offset, int length) {<br \/>\n    \/\/ \u6253\u5f00\u6587\u4ef6<br \/>\n    FILE* file &#061; fopen(rangedFile, &#034;r&#043;b&#034;);<\/p>\n<p>    \/\/ \u5b9a\u4f4d\u5230\u8bf7\u6c42\u7684\u504f\u79fb\u91cf<br \/>\n    fseek(file, offset, SEEK_SET);<\/p>\n<p>    \/\/ \u8bfb\u53d6\u8bf7\u6c42\u7684\u5b57\u8282\u957f\u5ea6<br \/>\n    unsigned char* buffer &#061; (unsigned char*)malloc(length * sizeof(unsigned char));<br \/>\n    fread(buffer, sizeof(char), length, file);<\/p>\n<p>    \/\/ \u53d1\u9001HTTP\u54cd\u5e94\u5934<br \/>\n    fprintf(stderr, &#034;HTTP\/1.1 206 Partial Content\\\\r\\\\n&#034;);<br \/>\n    fprintf(stderr, &#034;Content-Range: bytes %d-%d\/%d\\\\r\\\\n&#034;, offset, offset &#043; length, fileSize);<br \/>\n    fprintf(stderr, &#034;Content-Length: %d\\\\r\\\\n&#034;, length);<br \/>\n    fprintf(stderr, &#034;\\\\r\\\\n&#034;);<\/p>\n<p>    \/\/ \u53d1\u9001\u8bf7\u6c42\u7684\u6570\u636e\u7247\u6bb5<br \/>\n    fwrite(buffer, sizeof(char), length, stdout);<\/p>\n<p>    \/\/ \u5173\u95ed\u6587\u4ef6<br \/>\n    fclose(file);<br \/>\n    free(buffer);<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0\u4f2a\u4ee3\u7801\u4e2d&#xff0c;\u670d\u52a1\u5668\u6839\u636e\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u504f\u79fb\u91cf\u548c\u671f\u671b\u7684\u6587\u4ef6\u8303\u56f4&#xff0c;\u8bfb\u53d6\u5e76\u53d1\u9001\u6587\u4ef6\u7247\u6bb5\u3002\u670d\u52a1\u5668\u901a\u8fc7HTTP\u54cd\u5e94\u5934\u4e2d\u7684  Content-Range  \u6765\u8868\u660e\u53d1\u9001\u7684\u662f\u6587\u4ef6\u7684\u54ea\u4e00\u90e8\u5206\u3002 <\/p>\n<p> \u5b9e\u73b0\u65ad\u70b9\u7eed\u4f20\u529f\u80fd\u4e0d\u4ec5\u63d0\u5347\u4e86\u7528\u6237\u4f53\u9a8c&#xff0c;\u5c24\u5176\u662f\u5728\u7f51\u7edc\u6761\u4ef6\u4e0d\u7a33\u5b9a\u7684\u60c5\u51b5\u4e0b&#xff0c;\u8fd8\u80fd\u591f\u63d0\u9ad8\u8d44\u6e90\u7684\u4f7f\u7528\u6548\u7387&#xff0c;\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u91cd\u590d\u6570\u636e\u4f20\u8f93\u3002\u5728\u8bbe\u8ba1\u670d\u52a1\u5668\u65f6&#xff0c;\u5e94\u8003\u8651\u5230\u8fd9\u4e00\u529f\u80fd\u7684\u5b9e\u73b0&#xff0c;\u4ee5\u9002\u5e94\u73b0\u4ee3\u6587\u4ef6\u4f20\u8f93\u7684\u9700\u6c42\u3002 <\/p>\n<h2> 5. \u56fe\u5f62\u7528\u6237\u754c\u9762\u7684\u5b9e\u73b0\u4e0e\u6587\u4ef6\u4f20\u8f93I\/O\u64cd\u4f5c <\/h2>\n<h3> 5.1 \u56fe\u5f62\u7528\u6237\u754c\u9762\u7684\u5b9e\u73b0&#xff08;\u53ef\u80fd&#xff09; <\/h3>\n<h4> 5.1.1 GUI\u5de5\u5177\u4e0e\u5e93\u7684\u9009\u62e9 <\/h4>\n<p> \u5728\u73b0\u4ee3\u5e94\u7528\u5f00\u53d1\u4e2d&#xff0c;\u56fe\u5f62\u7528\u6237\u754c\u9762&#xff08;GUI&#xff09;\u7684\u5b9e\u73b0\u5bf9\u7528\u6237\u4f53\u9a8c\u81f3\u5173\u91cd\u8981\u3002\u5728\u5b9e\u73b0\u57fa\u4e8eWinsock2 API\u7684\u6587\u4ef6\u4f20\u8f93\u5e94\u7528\u65f6&#xff0c;\u9009\u62e9\u5408\u9002\u7684GUI\u5e93\u662f\u7b2c\u4e00\u4e2a\u9700\u8981\u8003\u8651\u7684\u95ee\u9898\u3002 <\/p>\n<p> \u4f7f\u7528C&#043;&#043;\u5b9e\u73b0GUI&#xff0c;\u5f00\u53d1\u8005\u901a\u5e38\u4f1a\u8003\u8651\u4ee5\u4e0b\u51e0\u4e2a\u5e93&#xff1a; <\/p>\n<li>\n<p>  MFC (Microsoft Foundation Classes)  : \u4f5c\u4e3a\u8001\u724c\u7684Microsoft\u6846\u67b6&#xff0c;MFC\u96c6\u6210\u4e86\u5927\u91cf\u7684Windows API&#xff0c;\u53ef\u4ee5\u5feb\u901f\u521b\u5efa\u51fa\u529f\u80fd\u4e30\u5bcc\u7684\u5e94\u7528\u7a0b\u5e8f\u754c\u9762\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u7c7b\u548c\u6a21\u677f&#xff0c;\u7b80\u5316\u4e86\u5e38\u89c1\u7684Windows\u7f16\u7a0b\u4efb\u52a1&#xff0c;\u5305\u62ec\u56fe\u5f62\u754c\u9762\u7684\u521b\u5efa\u548c\u7ba1\u7406\u3002 <\/p>\n<\/li>\n<li>\n<p>  Qt  : \u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684C&#043;&#043;\u6846\u67b6&#xff0c;\u9002\u7528\u4e8e\u5f00\u53d1\u56fe\u5f62\u7528\u6237\u754c\u9762\u5e94\u7528\u7a0b\u5e8f\u4ee5\u53ca\u975eGUI\u7a0b\u5e8f\u3002\u5b83\u4f7f\u7528\u4fe1\u53f7\u548c\u69fd\u673a\u5236\u6765\u8fdb\u884c\u4e8b\u4ef6\u9a71\u52a8\u7f16\u7a0b&#xff0c;\u62e5\u6709\u4e30\u5bcc\u7684\u7ec4\u4ef6\u548c\u6a21\u5757&#xff0c;\u53ef\u4ee5\u5feb\u901f\u642d\u5efa\u8d77\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u5e94\u7528\u7a0b\u5e8f\u754c\u9762\u3002 <\/p>\n<\/li>\n<li>\n<p>  wxWidgets  : \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u8de8\u5e73\u53f0GUI\u5de5\u5177\u5305&#xff0c;\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u4f7f\u7528\u4e00\u5957\u4ee3\u7801\u5e93\u4e3a\u591a\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u521b\u5efaGUI\u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u6709\u4e00\u4e2a\u79f0\u4e3awxWidgets\u7684C&#043;&#043;\u5e93&#xff0c;\u80fd\u63d0\u4f9b\u4f20\u7edfGUI\u7ec4\u4ef6&#xff0c;\u5982\u6309\u94ae\u3001\u83dc\u5355\u3001\u6eda\u52a8\u6761\u7b49\u3002 <\/p>\n<\/li>\n<p> \u9009\u62e9\u5408\u9002\u7684GUI\u5e93\u65f6&#xff0c;\u9700\u8981\u8003\u8651\u9879\u76ee\u9700\u6c42\u3001\u5f00\u53d1\u56e2\u961f\u719f\u6089\u7a0b\u5ea6\u4ee5\u53ca\u6700\u7ec8\u5e94\u7528\u7684\u8de8\u5e73\u53f0\u8981\u6c42\u3002\u5bf9\u4e8e\u4e13\u6ce8\u4e8eWindows\u5e73\u53f0\u7684\u5e94\u7528&#xff0c;MFC\u53ef\u80fd\u662f\u4e00\u4e2a\u5feb\u6377\u7684\u9009\u62e9\u3002\u5982\u679c\u8003\u8651\u5230\u672a\u6765\u53ef\u80fd\u7684\u8de8\u5e73\u53f0\u9700\u6c42&#xff0c;Qt\u548cwxWidgets\u5c06\u662f\u66f4\u52a0\u7075\u6d3b\u7684\u9009\u62e9\u3002 <\/p>\n<h4> 5.1.2 \u754c\u9762\u8bbe\u8ba1\u4e0e\u7528\u6237\u4ea4\u4e92\u6d41\u7a0b <\/h4>\n<p> \u8bbe\u8ba1\u56fe\u5f62\u7528\u6237\u754c\u9762\u5e94\u9075\u5faa\u7528\u6237\u53cb\u597d\u7684\u539f\u5219&#xff0c;\u754c\u9762\u76f4\u89c2\u6613\u7528&#xff0c;\u64cd\u4f5c\u6d41\u7a0b\u7b80\u5355\u660e\u4e86\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u4e8eWinsock2 API\u7684\u6587\u4ef6\u4f20\u8f93\u5e94\u7528\u7684GUI\u8bbe\u8ba1\u4e0e\u7528\u6237\u4ea4\u4e92\u6d41\u7a0b&#xff1a; <\/p>\n<ul>\n<li>\n<p>  \u4e3b\u754c\u9762\u5e03\u5c40  : \u4e3b\u7a97\u53e3\u5e94\u5305\u62ec\u51e0\u4e2a\u4e3b\u8981\u533a\u57df&#xff0c;\u4f8b\u5982&#xff0c;\u8fde\u63a5\u4fe1\u606f\u8f93\u5165\u533a\u57df\u3001\u6587\u4ef6\u9009\u62e9\u533a\u57df\u3001\u72b6\u6001\u663e\u793a\u533a\u57df\u3001\u64cd\u4f5c\u6309\u94ae&#xff08;\u5982\u8fde\u63a5\u3001\u65ad\u5f00\u3001\u5f00\u59cb\u4f20\u8f93\u3001\u505c\u6b62\u4f20\u8f93\u7b49&#xff09;\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u8fde\u63a5\u4fe1\u606f\u533a\u57df  : \u7528\u6237\u53ef\u4ee5\u8f93\u5165\u670d\u52a1\u5668\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u5e76\u9009\u62e9\u8fde\u63a5\u534f\u8bae&#xff08;\u5982TCP\u6216UDP&#xff09;\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u6587\u4ef6\u64cd\u4f5c\u533a\u57df  : \u7528\u6237\u53ef\u4ee5\u9009\u62e9\u672c\u5730\u6587\u4ef6\u6216\u6587\u4ef6\u5939&#xff0c;\u5e76\u67e5\u770b\u6240\u9009\u6587\u4ef6\u7684\u76f8\u5173\u4fe1\u606f&#xff08;\u5982\u6587\u4ef6\u5927\u5c0f\u3001\u8def\u5f84\u7b49&#xff09;\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u64cd\u4f5c\u6309\u94ae  : \u63d0\u4f9b\u660e\u786e\u7684\u6309\u94ae\u8ba9\u7528\u6237\u8fdb\u884c\u8fde\u63a5\u3001\u65ad\u5f00\u8fde\u63a5\u3001\u5f00\u59cb\/\u505c\u6b62\u6587\u4ef6\u4f20\u8f93\u7b49\u64cd\u4f5c\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u72b6\u6001\u663e\u793a  : \u5b9e\u65f6\u66f4\u65b0\u4f20\u8f93\u72b6\u6001\u548c\u9519\u8bef\u4fe1\u606f&#xff0c;\u5982\u5df2\u4f20\u8f93\u7684\u6570\u636e\u91cf\u3001\u4f20\u8f93\u8fdb\u5ea6\u6761\u3001\u6210\u529f\/\u5931\u8d25\u6d88\u606f\u7b49\u3002 <\/p>\n<\/li>\n<\/ul>\n<p> \u7528\u6237\u4ea4\u4e92\u6d41\u7a0b\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e&#xff1a; <\/p>\n<li>\n<p> \u7528\u6237\u542f\u52a8\u5e94\u7528\u5e76\u770b\u5230\u4e3b\u754c\u9762\u3002 <\/p>\n<\/li>\n<li>\n<p> \u7528\u6237\u8f93\u5165\u670d\u52a1\u5668\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u9009\u62e9\u534f\u8bae&#xff0c;\u7136\u540e\u70b9\u51fb\u8fde\u63a5\u6309\u94ae\u3002 <\/p>\n<\/li>\n<li>\n<p> \u5e94\u7528\u7a0b\u5e8f\u5c1d\u8bd5\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5&#xff0c;\u8fde\u63a5\u6210\u529f\u540e&#xff0c;\u72b6\u6001\u680f\u4f1a\u663e\u793a\u6210\u529f\u4fe1\u606f\u3002 <\/p>\n<\/li>\n<li>\n<p> \u7528\u6237\u901a\u8fc7\u6587\u4ef6\u64cd\u4f5c\u533a\u57df\u9009\u62e9\u9700\u8981\u4f20\u8f93\u7684\u6587\u4ef6\u6216\u6587\u4ef6\u5939&#xff0c;\u5e76\u70b9\u51fb\u5f00\u59cb\u4f20\u8f93\u6309\u94ae\u3002 <\/p>\n<\/li>\n<li>\n<p> \u6587\u4ef6\u4f20\u8f93\u8fdb\u5ea6\u5b9e\u65f6\u663e\u793a\u5728\u72b6\u6001\u680f&#xff0c;\u5e76\u63d0\u4f9b\u505c\u6b62\u4f20\u8f93\u7684\u9009\u9879\u3002 <\/p>\n<\/li>\n<li>\n<p> \u4f20\u8f93\u5b8c\u6210\u540e&#xff0c;\u5e94\u7528\u4f1a\u5728\u72b6\u6001\u680f\u663e\u793a\u6210\u529f\u6216\u5931\u8d25\u7684\u6d88\u606f\u3002 <\/p>\n<\/li>\n<li>\n<p> \u7528\u6237\u53ef\u4ee5\u9009\u62e9\u65ad\u5f00\u4e0e\u670d\u52a1\u5668\u7684\u8fde\u63a5\u3002 <\/p>\n<\/li>\n<h3> 5.2 \u6587\u4ef6\u4f20\u8f93\u548cI\/O\u64cd\u4f5c <\/h3>\n<h4> 5.2.1 \u6587\u4ef6\u8bfb\u5199\u57fa\u7840\u64cd\u4f5c <\/h4>\n<p> \u6587\u4ef6I\/O\u64cd\u4f5c\u662f\u6587\u4ef6\u4f20\u8f93\u5e94\u7528\u7684\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\u3002\u5728C&#043;&#043;\u4e2d&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6\u5e93\u4e2d\u7684fstream\u7c7b\u6765\u8fdb\u884c\u6587\u4ef6\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801&#xff0c;\u5c55\u793a\u4e86\u5982\u4f55\u6253\u5f00\u6587\u4ef6\u3001\u8bfb\u53d6\u5185\u5bb9\u548c\u5199\u5165\u5185\u5bb9&#xff1a; <\/p>\n<p>#include &lt;fstream&gt;<br \/>\n#include &lt;iostream&gt;<\/p>\n<p>int main() {<br \/>\n    \/\/ \u6253\u5f00\u6587\u4ef6\u7528\u4e8e\u8bfb\u53d6<br \/>\n    std::ifstream inFile(&#034;example.txt&#034;);<br \/>\n    if (!inFile) {<br \/>\n        std::cerr &lt;&lt; &#034;\u65e0\u6cd5\u6253\u5f00\u6587\u4ef6&#xff01;&#034; &lt;&lt; std::endl;<br \/>\n        return -1;<br \/>\n    }<\/p>\n<p>    std::string line;<br \/>\n    \/\/ \u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<br \/>\n    while (std::getline(inFile, line)) {<br \/>\n        std::cout &lt;&lt; line &lt;&lt; std::endl;<br \/>\n    }<br \/>\n    inFile.close();<\/p>\n<p>    \/\/ \u6253\u5f00\u6587\u4ef6\u7528\u4e8e\u5199\u5165<br \/>\n    std::ofstream outFile(&#034;example_copy.txt&#034;);<br \/>\n    if (!outFile) {<br \/>\n        std::cerr &lt;&lt; &#034;\u65e0\u6cd5\u521b\u5efa\u6587\u4ef6&#xff01;&#034; &lt;&lt; std::endl;<br \/>\n        return -1;<br \/>\n    }<\/p>\n<p>    \/\/ \u5199\u5165\u6570\u636e\u5230\u6587\u4ef6<br \/>\n    outFile &lt;&lt; &#034;\u8fd9\u662f\u4e00\u4e2a\u6d4b\u8bd5\u6587\u4ef6\u7684\u5199\u5165\u64cd\u4f5c\u3002\\\\n&#034;;<br \/>\n    outFile.close();<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<h4> 5.2.2 \u7f51\u7edc\u6570\u636e\u6d41\u4e0e\u6587\u4ef6\u7cfb\u7edf\u6574\u5408 <\/h4>\n<p> \u5728\u57fa\u4e8eWinsock2 API\u7684\u6587\u4ef6\u4f20\u8f93\u5e94\u7528\u4e2d&#xff0c;\u7f51\u7edc\u6570\u636e\u6d41\u7684\u5904\u7406\u548c\u6587\u4ef6\u7cfb\u7edf\u7684\u64cd\u4f5c\u9700\u8981\u7d27\u5bc6\u7ed3\u5408\u3002\u5c06\u7f51\u7edc\u63a5\u6536\u5230\u7684\u6570\u636e\u5199\u5165\u6587\u4ef6\u7cfb\u7edf&#xff0c;\u4ee5\u53ca\u5c06\u6587\u4ef6\u6570\u636e\u53d1\u9001\u5230\u7f51\u7edc&#xff0c;\u90fd\u9700\u8981\u4f7f\u7528\u5230\u6587\u4ef6I\/O\u64cd\u4f5c\u3002\u4e00\u4e2a\u5178\u578b\u7684\u6587\u4ef6\u4f20\u8f93\u6d41\u7a0b\u6d89\u53ca\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4&#xff1a; <\/p>\n<li>\n<p>  \u5efa\u7acb\u8fde\u63a5  : \u5e94\u7528\u9996\u5148\u9700\u8981\u4e0e\u670d\u52a1\u5668\u5efa\u7acbTCP\u8fde\u63a5\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u6587\u4ef6\u4fe1\u606f\u4ea4\u6362  : \u4f20\u8f93\u524d&#xff0c;\u5e94\u7528\u4e4b\u95f4\u4f1a\u4ea4\u6362\u6587\u4ef6\u7684\u5143\u6570\u636e&#xff0c;\u4f8b\u5982\u6587\u4ef6\u540d\u3001\u5927\u5c0f\u7b49\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u6587\u4ef6\u8bfb\u53d6\u4e0e\u7f51\u7edc\u53d1\u9001  : \u5ba2\u6237\u7aef\u7a0b\u5e8f\u4ece\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u8bfb\u53d6\u6587\u4ef6\u6570\u636e&#xff0c;\u5e76\u901a\u8fc7\u7f51\u7edc\u5957\u63a5\u5b57\u53d1\u9001\u5230\u670d\u52a1\u5668\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u7f51\u7edc\u63a5\u6536\u4e0e\u6587\u4ef6\u5199\u5165  : \u670d\u52a1\u5668\u7aef\u63a5\u6536\u7f51\u7edc\u4e2d\u7684\u6587\u4ef6\u6570\u636e&#xff0c;\u5e76\u5c06\u5176\u5199\u5165\u670d\u52a1\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u4e2d\u3002 <\/p>\n<\/li>\n<p> \u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Winsock2 API\u53d1\u9001\u6587\u4ef6\u6570\u636e&#xff1a; <\/p>\n<p>\/\/ \u5047\u8bbe sock \u662f\u6709\u6548\u7684\u5957\u63a5\u5b57\u53e5\u67c4&#xff0c;fileData \u662f\u6587\u4ef6\u6570\u636e\u7684\u7f13\u51b2\u533a<br \/>\nsend(sock, fileData, fileSize, 0);<\/p>\n<p> \u540c\u65f6&#xff0c;\u670d\u52a1\u5668\u7aef\u63a5\u6536\u6570\u636e\u5e76\u5199\u5165\u6587\u4ef6\u7cfb\u7edf\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3c\u4e8e\u6587\u4ef6I\/O\u64cd\u4f5c\u7684\u903b\u8f91&#xff1a; <\/p>\n<p>\/\/ \u5047\u8bbe sock \u662f\u6709\u6548\u7684\u5957\u63a5\u5b57\u53e5\u67c4&#xff0c;fileData \u662f\u63a5\u6536\u7f13\u51b2\u533a<br \/>\nofstream outFile(&#034;received_file.txt&#034;, ios::binary);<br \/>\noutFile.write(fileData, fileSize);<\/p>\n<p> \u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u6587\u4ef6\u4f20\u8f93\u901a\u5e38\u4f1a\u6d89\u53ca\u5230\u5927\u6587\u4ef6\u5904\u7406\u548c\u6d41\u5f0f\u6570\u636e\u4f20\u8f93&#xff0c;\u8fd9\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u5230\u7f13\u51b2\u673a\u5236\u4ee5\u4f18\u5316\u6027\u80fd\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u5c06\u6587\u4ef6\u5206\u6210\u591a\u4e2a\u5c0f\u5757&#xff0c;\u9010\u6e10\u8bfb\u53d6\u5e76\u53d1\u9001\u3002\u5728\u670d\u52a1\u5668\u7aef&#xff0c;\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7f13\u51b2\u533a\u63a5\u6536\u6570\u636e&#xff0c;\u5f53\u7f13\u51b2\u533a\u6ee1\u6216\u6587\u4ef6\u63a5\u6536\u5b8c\u6bd5\u65f6&#xff0c;\u518d\u5c06\u7f13\u51b2\u533a\u6570\u636e\u5199\u5165\u5230\u6587\u4ef6\u7cfb\u7edf\u4e2d\u3002\u8fd9\u79cd\u6a21\u5f0f\u80fd\u6709\u6548\u51cf\u5c11\u56e0\u7f51\u7edc\u6ce2\u52a8\u5bfc\u81f4\u7684\u91cd\u4f20\u9700\u6c42&#xff0c;\u540c\u65f6\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u6548\u7387\u3002 <\/p>\n<p> \u6587\u4ef6\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u5f88\u5e7f\u6cdb&#xff0c;\u4ece\u7b80\u5355\u7684\u672c\u5730\u6587\u4ef6\u4f20\u8f93\u5230\u590d\u6742\u7684\u4e91\u5b58\u50a8\u540c\u6b65&#xff0c;\u90fd\u79bb\u4e0d\u5f00\u5bf9\u6587\u4ef6\u8bfb\u5199\u64cd\u4f5c\u7684\u6df1\u5165\u7406\u89e3\u548c\u4f18\u5316\u3002\u5728\u8bbe\u8ba1\u6587\u4ef6\u4f20\u8f93\u5e94\u7528\u65f6&#xff0c;\u8981\u7279\u522b\u6ce8\u610f\u7f51\u7edc\u73af\u5883\u7684\u4e0d\u7a33\u5b9a\u6027\u548c\u6f5c\u5728\u7684\u9519\u8bef\u5904\u7406\u3002 <\/p>\n<h2> 6. \u9519\u8bef\u5904\u7406\u673a\u5236\u4e0e\u8d44\u6e90\u6e05\u7406 <\/h2>\n<p> \u5728\u8fdb\u884c\u7f51\u7edc\u7f16\u7a0b\u65f6&#xff0c;\u9519\u8bef\u5904\u7406\u673a\u5236\u548c\u8d44\u6e90\u6e05\u7406\u662f\u4fdd\u969c\u7a0b\u5e8f\u7a33\u5b9a\u8fd0\u884c\u548c\u8d44\u6e90\u6b63\u786e\u91ca\u653e\u7684\u5173\u952e\u73af\u8282\u3002\u826f\u597d\u7684\u9519\u8bef\u5904\u7406\u53ef\u4ee5\u63d0\u524d\u53d1\u73b0\u6f5c\u5728\u7684\u95ee\u9898&#xff0c;\u4fdd\u8bc1\u7a0b\u5e8f\u7684\u5065\u58ee\u6027&#xff1b;\u800c\u6070\u5f53\u7684\u8d44\u6e90\u6e05\u7406\u5219\u80fd\u907f\u514d\u5185\u5b58\u6cc4\u6f0f&#xff0c;\u786e\u4fdd\u7cfb\u7edf\u8d44\u6e90\u88ab\u9ad8\u6548\u7ba1\u7406\u3002 <\/p>\n<h3> 6.1 \u9519\u8bef\u5904\u7406\u673a\u5236 <\/h3>\n<p> \u9519\u8bef\u5904\u7406\u5728\u4efb\u4f55\u7f16\u7a0b\u5de5\u4f5c\u4e2d\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206&#xff0c;\u5bf9\u4e8e\u7f51\u7edc\u7f16\u7a0b\u6765\u8bf4\u5c24\u5176\u5982\u6b64&#xff0c;\u56e0\u4e3a\u5b83\u6d89\u53ca\u5230\u8bf8\u591a\u4e0d\u53ef\u9884\u6d4b\u7684\u7f51\u7edc\u72b6\u51b5\u548c\u5916\u90e8\u56e0\u7d20\u3002 <\/p>\n<h4> 6.1.1 \u5e38\u89c1\u7f51\u7edc\u9519\u8bef\u4e0e\u5904\u7406\u7b56\u7565 <\/h4>\n<p> \u7f51\u7edc\u7f16\u7a0b\u4e2d\u4f1a\u9047\u5230\u5404\u79cd\u7c7b\u578b\u7684\u9519\u8bef&#xff0c;\u4f8b\u5982\u8fde\u63a5\u5931\u8d25\u3001\u6570\u636e\u53d1\u9001\u63a5\u6536\u9519\u8bef\u3001\u534f\u8bae\u9519\u8bef\u7b49\u3002\u9488\u5bf9\u8fd9\u4e9b\u5e38\u89c1\u9519\u8bef&#xff0c;\u5e94\u5f53\u8bbe\u8ba1\u51fa\u76f8\u5e94\u7684\u5904\u7406\u7b56\u7565\u3002 <\/p>\n<p>#include &lt;winsock2.h&gt;<br \/>\n#include &lt;stdio.h&gt;<br \/>\n#include &lt;windows.h&gt;<\/p>\n<p>#pragma comment(lib, &#034;ws2_32.lib&#034;)<\/p>\n<p>int main() {<br \/>\n    WSADATA wsaData;<br \/>\n    SOCKET sock;<br \/>\n    struct sockaddr_in server;<\/p>\n<p>    int iResult;<\/p>\n<p>    \/\/ \u521d\u59cb\u5316Winsock<br \/>\n    iResult &#061; WSAStartup(MAKEWORD(2,2), &amp;wsaData);<br \/>\n    if (iResult !&#061; 0) {<br \/>\n        printf(&#034;WSAStartup failed: %d\\\\n&#034;, iResult);<br \/>\n        return 1;<br \/>\n    }<\/p>\n<p>    \/\/ \u521b\u5efa\u5957\u63a5\u5b57<br \/>\n    sock &#061; socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);<br \/>\n    if (sock &#061;&#061; INVALID_SOCKET) {<br \/>\n        printf(&#034;Error at socket(): %ld\\\\n&#034;, WSAGetLastError());<br \/>\n        WSACleanup();<br \/>\n        return 1;<br \/>\n    }<\/p>\n<p>    \/\/ \u8bbe\u7f6e\u670d\u52a1\u5668\u5730\u5740<br \/>\n    server.sin_family &#061; AF_INET;<br \/>\n    server.sin_addr.s_addr &#061; inet_addr(&#034;***.*.*.*&#034;);<br \/>\n    server.sin_port &#061; htons(27015);<\/p>\n<p>    \/\/ \u8fde\u63a5\u670d\u52a1\u5668<br \/>\n    iResult &#061; connect(sock, (SOCKADDR*)&amp;server, sizeof(server));<br \/>\n    if (iResult &#061;&#061; SOCKET_ERROR) {<br \/>\n        closesocket(sock);<br \/>\n        WSACleanup();<br \/>\n        printf(&#034;Unable to connect to server!\\\\n&#034;);<br \/>\n        return 1;<br \/>\n    }<br \/>\n    \/\/ &#8230; \u6570\u636e\u4f20\u8f93\u7b49\u64cd\u4f5c &#8230;<\/p>\n<p>    \/\/ \u5173\u95ed\u5957\u63a5\u5b57<br \/>\n    closesocket(sock);<br \/>\n    WSACleanup();<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d&#xff0c;\u6211\u4eec\u5c1d\u8bd5\u521d\u59cb\u5316Winsock\u3001\u521b\u5efa\u5957\u63a5\u5b57\u5e76\u8fde\u63a5\u5230\u670d\u52a1\u5668\u3002\u5982\u679c\u5728\u8fc7\u7a0b\u4e2d\u9047\u5230\u9519\u8bef&#xff0c;\u4ee3\u7801\u5c06\u6253\u5370\u51fa\u9519\u8bef\u4fe1\u606f&#xff0c;\u5e76\u5173\u95ed\u5957\u63a5\u5b57\u548c\u6e05\u7406Winsock\u8d44\u6e90\u3002 <\/p>\n<h4> 6.1.2 \u5f02\u5e38\u6355\u83b7\u4e0e\u8c03\u8bd5\u6280\u5de7 <\/h4>\n<p> \u4e3a\u4e86\u4f7f\u7a0b\u5e8f\u80fd\u591f\u54cd\u5e94\u4e0d\u540c\u7684\u9519\u8bef\u60c5\u51b5&#xff0c;\u5e76\u505a\u51fa\u9002\u5f53\u7684\u5904\u7406&#xff0c;\u6211\u4eec\u9700\u8981\u5728\u4ee3\u7801\u4e2d\u52a0\u5165\u5f02\u5e38\u6355\u83b7\u903b\u8f91\u3002\u5bf9\u4e8eC\/C&#043;&#043;\u8bed\u8a00&#xff0c;\u901a\u5e38\u4f7f\u7528  try-catch  \u5757&#xff08;\u5982\u679c\u4f7f\u7528\u4e86\u5f02\u5e38\u5904\u7406\u5e93&#xff09;&#xff0c;\u6216\u8005\u901a\u8fc7\u68c0\u67e5API\u8c03\u7528\u7684\u8fd4\u56de\u503c\u6765\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002 <\/p>\n<p>\/\/ \u5f02\u5e38\u6355\u83b7\u793a\u4f8b<br \/>\ntry {<br \/>\n    \/\/ \u53ef\u80fd\u51fa\u9519\u7684\u4ee3\u7801\u90e8\u5206<br \/>\n} catch (const std::exception&amp; e) {<br \/>\n    \/\/ \u5904\u7406C&#043;&#043;\u6807\u51c6\u5e93\u4e2d\u7684\u5f02\u5e38<br \/>\n}<\/p>\n<p>\/\/ \u5bf9\u4e8eWinAPI&#xff0c;\u901a\u5e38\u68c0\u67e5\u8fd4\u56de\u503c\u662f\u5426\u4e3a\u9519\u8bef\u4ee3\u7801<br \/>\nif (WSAGetLastError() !&#061; 0) {<br \/>\n    \/\/ \u5904\u7406WinAPI\u9519\u8bef<br \/>\n}<\/p>\n<p> \u5728\u8fdb\u884c\u9519\u8bef\u8c03\u8bd5\u65f6&#xff0c;\u5e94\u786e\u4fdd\u5145\u5206\u6d4b\u8bd5\u6240\u6709\u53ef\u80fd\u51fa\u73b0\u7684\u9519\u8bef\u573a\u666f&#xff0c;\u5e76\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\u9010\u6b65\u68c0\u67e5\u7a0b\u5e8f\u8fd0\u884c\u7684\u5404\u4e2a\u9636\u6bb5\u3002\u5728\u5904\u7406\u9519\u8bef\u65f6&#xff0c;\u8bb0\u5f55\u8be6\u7ec6\u7684\u9519\u8bef\u65e5\u5fd7\u4e5f\u975e\u5e38\u5173\u952e&#xff0c;\u5b83\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u3002 <\/p>\n<h3> 6.2 \u5173\u95ed\u548c\u8d44\u6e90\u6e05\u7406 <\/h3>\n<p> \u7f51\u7edc\u7f16\u7a0b\u8fc7\u7a0b\u4e2d\u521b\u5efa\u548c\u4f7f\u7528\u7684\u8d44\u6e90\u9700\u8981\u5728\u4e0d\u518d\u4f7f\u7528\u65f6\u8fdb\u884c\u9002\u5f53\u7684\u91ca\u653e&#xff0c;\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002 <\/p>\n<h4> 6.2.1 \u5957\u63a5\u5b57\u5173\u95ed\u6d41\u7a0b\u4e0e\u6ce8\u610f\u4e8b\u9879 <\/h4>\n<p> \u5173\u95ed\u5957\u63a5\u5b57\u662f\u4e00\u4e2a\u7b80\u5355\u4f46\u5fc5\u987b\u7684\u64cd\u4f5c&#xff0c;\u5e94\u786e\u4fdd\u5728\u7a0b\u5e8f\u7ed3\u675f\u6216\u8005\u9519\u8bef\u53d1\u751f\u65f6&#xff0c;\u90fd\u80fd\u591f\u59a5\u5584\u5173\u95ed\u5957\u63a5\u5b57&#xff0c;\u91ca\u653e\u76f8\u5173\u7684\u8d44\u6e90\u3002 <\/p>\n<p>\/\/ \u5173\u95ed\u5957\u63a5\u5b57\u793a\u4f8b<br \/>\nclosesocket(sock);<\/p>\n<p> \u5728\u5173\u95ed\u5957\u63a5\u5b57\u4e4b\u524d&#xff0c;\u5e94\u8be5\u786e\u4fdd\u6240\u6709\u7f51\u7edc\u6570\u636e\u4f20\u8f93\u90fd\u5df2\u5b8c\u6210&#xff0c;\u907f\u514d\u5728\u6570\u636e\u672a\u5b8c\u5168\u53d1\u9001\u6216\u63a5\u6536\u5b8c\u6210\u7684\u60c5\u51b5\u4e0b\u5173\u95ed\u5957\u63a5\u5b57&#xff0c;\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002 <\/p>\n<h4> 6.2.2 \u5185\u5b58\u6cc4\u6f0f\u4e0e\u8d44\u6e90\u56de\u6536\u673a\u5236 <\/h4>\n<p> \u8d44\u6e90\u56de\u6536\u673a\u5236\u5728C\/C&#043;&#043;\u4e2d\u5c24\u4e3a\u91cd\u8981&#xff0c;\u56e0\u4e3a\u8fd9\u4e24\u79cd\u8bed\u8a00\u4e0d\u4f1a\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\u3002\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u7a0b\u5e8f\u5bb9\u6613\u51fa\u73b0\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898&#xff0c;\u8fd9\u4f1a\u9010\u6e10\u8017\u5c3d\u7cfb\u7edf\u8d44\u6e90&#xff0c;\u751a\u81f3\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002 <\/p>\n<p> \u5728C\/C&#043;&#043;\u4e2d&#xff0c;\u5e94\u5f53\u4f7f\u7528\u8bf8\u5982Valgrind\u4e4b\u7c7b\u7684\u5185\u5b58\u68c0\u6d4b\u5de5\u5177&#xff0c;\u5b9a\u671f\u68c0\u67e5\u548c\u4fee\u590d\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\u3002\u6b64\u5916&#xff0c;\u901a\u8fc7\u4ee3\u7801\u4e2d\u7684\u4f5c\u7528\u57df\u5408\u7406\u63a7\u5236\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f&#xff0c;\u4e5f\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002 <\/p>\n<p>\/\/ \u786e\u4fdd\u5bf9\u8c61\u751f\u547d\u5468\u671f\u5408\u7406\u7ba1\u7406\u793a\u4f8b<br \/>\nvoid function() {<br \/>\n    MyClass* myObject &#061; new MyClass();<br \/>\n    \/\/ \u4f7f\u7528myObject&#8230;<\/p>\n<p>    delete myObject; \/\/ \u786e\u4fdd\u5bf9\u8c61\u88ab\u5220\u9664&#xff0c;\u907f\u514d\u5185\u5b58\u6cc4\u6f0f<br \/>\n}<\/p>\n<p> \u5bf9\u4e8e\u4f7f\u7528\u8d44\u6e90\u7ba1\u7406\u5668\u548c\u667a\u80fd\u6307\u9488\u7b49\u73b0\u4ee3C&#043;&#043;\u7279\u6027&#xff0c;\u53ef\u4ee5\u8fdb\u4e00\u6b65\u7b80\u5316\u5185\u5b58\u7ba1\u7406\u3002\u667a\u80fd\u6307\u9488&#xff08;\u5982  std::unique_ptr  \u548c  std::shared_ptr  &#xff09;\u80fd\u591f\u5728\u5b83\u4eec\u7684\u4f5c\u7528\u57df\u7ed3\u675f\u65f6\u81ea\u52a8\u91ca\u653e\u5176\u6240\u7ba1\u7406\u7684\u5bf9\u8c61&#xff0c;\u4ece\u800c\u51cf\u5c11\u5185\u5b58\u6cc4\u6f0f\u7684\u98ce\u9669\u3002 <\/p>\n<p> \u901a\u8fc7\u672c\u7ae0\u8282\u7684\u9605\u8bfb&#xff0c;\u60a8\u5e94\u8be5\u5df2\u7ecf\u83b7\u5f97\u4e86\u5173\u4e8e\u7f51\u7edc\u7f16\u7a0b\u4e2d\u9519\u8bef\u5904\u7406\u548c\u8d44\u6e90\u6e05\u7406\u65b9\u9762\u7684\u6df1\u5165\u7406\u89e3&#xff0c;\u5e76\u80fd\u591f\u5728\u6b64\u57fa\u7840\u4e0a\u4f18\u5316\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u589e\u5f3a\u5176\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002 <\/p>\n<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418174816-680290605fd6e.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom\" \/><\/p>\n<p> \u7b80\u4ecb&#xff1a;\u672c\u6587\u4ecb\u7ecd\u4e86\u4f7f\u7528C&#043;&#043;\u548cWinsock2 API\u7f16\u5199\u7684\u4e00\u4e2a\u7b80\u5355\u4e0b\u8f7d\u6f14\u793a\u7a0b\u5e8f&#xff0c;\u6db5\u76d6\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u3002Winsock2\u4f5c\u4e3aWindows\u5e73\u53f0\u7684TCP\/IP\u901a\u4fe1\u63a5\u53e3&#xff0c;\u652f\u6301\u521b\u5efa\u9ad8\u6548\u548c\u53ef\u9760\u7684\u7f51\u7edc\u5e94\u7528\u3002\u6587\u7ae0\u8be6\u7ec6\u89e3\u91ca\u4e86\u57fa\u7840API\u7684\u4f7f\u7528\u3001\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u7f16\u7a0b\u6a21\u578b\u3001\u975e\u591a\u7ebf\u7a0b\u5904\u7406\u3001\u7f3a\u5c11\u65ad\u70b9\u7eed\u4f20\u529f\u80fd\u3001\u56fe\u5f62\u7528\u6237\u754c\u9762\u7684\u6f5c\u5728\u5e94\u7528\u3001\u6587\u4ef6\u4f20\u8f93\u673a\u5236\u3001\u9519\u8bef\u5904\u7406\u4ee5\u53ca\u7a0b\u5e8f\u7ed3\u675f\u524d\u7684\u6b63\u786e\u8d44\u6e90\u6e05\u7406\u6b65\u9aa4\u3002\u8be5Demo\u4e3a\u7f51\u7edc\u7f16\u7a0b\u521d\u5b66\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5b66\u4e60\u57fa\u7840\u7684\u5e73\u53f0&#xff0c;\u4f46\u8981\u9002\u5e94\u771f\u5b9e\u4e16\u754c\u7684\u9700\u6c42&#xff0c;\u8fd8\u9700\u8981\u8fdb\u4e00\u6b65\u7684\u529f\u80fd\u589e\u5f3a\u3002 <\/p>\n<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418174816-680290605fd6e.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.2k\u6b21\uff0c\u70b9\u8d5e24\u6b21\uff0c\u6536\u85cf10\u6b21\u3002\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90\uff0c\u70b9\u51fb\u83b7\u53d6   \u7b80\u4ecb\uff1a\u672c\u6587\u4ecb\u7ecd\u4e86\u4f7f\u7528C++\u548cWinsock2 API\u7f16\u5199\u7684\u4e00\u4e2a\u7b80\u5355\u4e0b\u8f7d\u6f14\u793a\u7a0b\u5e8f\uff0c\u6db5\u76d6\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u3002Winsock2\u4f5c\u4e3aWindows\u5e73\u53f0\u7684TCP\/IP\u901a\u4fe1\u63a5\u53e3\uff0c\u652f\u6301\u521b\u5efa\u9ad8\u6548\u548c\u53ef\u9760\u7684\u7f51\u7edc\u5e94\u7528\u3002\u6587\u7ae0\u8be6\u7ec6\u89e3\u91ca\u4e86\u57fa\u7840API\u7684\u4f7f\u7528\u3001\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u7f16\u7a0b\u6a21\u578b\u3001\u975e\u591a\u7ebf\u7a0b\u5904\u7406\u3001\u7f3a\u5c11\u65ad\u70b9\u7eed\u4f20\u529f\u80fd\u3001\u56fe\u5f62\u7528\u6237\u754c\u9762\u7684\u6f5c\u5728\u5e94\u7528\u3001\u6587\u4ef6\u4f20\u8f93\u673a\u5236\u3001\u9519\u8bef\u5904\u7406\u4ee5\u53ca\u7a0b\u5e8f&#8230;_winsock2<\/p>\n","protected":false},"author":2,"featured_media":19465,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-19467","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++ Winsock2\u7f51\u7edc\u7f16\u7a0b\u5b9e\u8df5\uff1a\u4e0b\u8f7dDemo\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/19467.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++ Winsock2\u7f51\u7edc\u7f16\u7a0b\u5b9e\u8df5\uff1a\u4e0b\u8f7dDemo\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.2k\u6b21\uff0c\u70b9\u8d5e24\u6b21\uff0c\u6536\u85cf10\u6b21\u3002\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90\uff0c\u70b9\u51fb\u83b7\u53d6  \u7b80\u4ecb\uff1a\u672c\u6587\u4ecb\u7ecd\u4e86\u4f7f\u7528C++\u548cWinsock2 API\u7f16\u5199\u7684\u4e00\u4e2a\u7b80\u5355\u4e0b\u8f7d\u6f14\u793a\u7a0b\u5e8f\uff0c\u6db5\u76d6\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u3002Winsock2\u4f5c\u4e3aWindows\u5e73\u53f0\u7684TCP\/IP\u901a\u4fe1\u63a5\u53e3\uff0c\u652f\u6301\u521b\u5efa\u9ad8\u6548\u548c\u53ef\u9760\u7684\u7f51\u7edc\u5e94\u7528\u3002\u6587\u7ae0\u8be6\u7ec6\u89e3\u91ca\u4e86\u57fa\u7840API\u7684\u4f7f\u7528\u3001\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u7f16\u7a0b\u6a21\u578b\u3001\u975e\u591a\u7ebf\u7a0b\u5904\u7406\u3001\u7f3a\u5c11\u65ad\u70b9\u7eed\u4f20\u529f\u80fd\u3001\u56fe\u5f62\u7528\u6237\u754c\u9762\u7684\u6f5c\u5728\u5e94\u7528\u3001\u6587\u4ef6\u4f20\u8f93\u673a\u5236\u3001\u9519\u8bef\u5904\u7406\u4ee5\u53ca\u7a0b\u5e8f..._winsock2\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/19467.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-18T17:48:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418174816-680290605fd6e.gif\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/19467.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/19467.html\",\"name\":\"C++ Winsock2\u7f51\u7edc\u7f16\u7a0b\u5b9e\u8df5\uff1a\u4e0b\u8f7dDemo\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-04-18T17:48:17+00:00\",\"dateModified\":\"2025-04-18T17:48:17+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/19467.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/19467.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/19467.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C++ Winsock2\u7f51\u7edc\u7f16\u7a0b\u5b9e\u8df5\uff1a\u4e0b\u8f7dDemo\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C++ Winsock2\u7f51\u7edc\u7f16\u7a0b\u5b9e\u8df5\uff1a\u4e0b\u8f7dDemo\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/19467.html","og_locale":"zh_CN","og_type":"article","og_title":"C++ Winsock2\u7f51\u7edc\u7f16\u7a0b\u5b9e\u8df5\uff1a\u4e0b\u8f7dDemo\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.2k\u6b21\uff0c\u70b9\u8d5e24\u6b21\uff0c\u6536\u85cf10\u6b21\u3002\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90\uff0c\u70b9\u51fb\u83b7\u53d6  \u7b80\u4ecb\uff1a\u672c\u6587\u4ecb\u7ecd\u4e86\u4f7f\u7528C++\u548cWinsock2 API\u7f16\u5199\u7684\u4e00\u4e2a\u7b80\u5355\u4e0b\u8f7d\u6f14\u793a\u7a0b\u5e8f\uff0c\u6db5\u76d6\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u3002Winsock2\u4f5c\u4e3aWindows\u5e73\u53f0\u7684TCP\/IP\u901a\u4fe1\u63a5\u53e3\uff0c\u652f\u6301\u521b\u5efa\u9ad8\u6548\u548c\u53ef\u9760\u7684\u7f51\u7edc\u5e94\u7528\u3002\u6587\u7ae0\u8be6\u7ec6\u89e3\u91ca\u4e86\u57fa\u7840API\u7684\u4f7f\u7528\u3001\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u7f16\u7a0b\u6a21\u578b\u3001\u975e\u591a\u7ebf\u7a0b\u5904\u7406\u3001\u7f3a\u5c11\u65ad\u70b9\u7eed\u4f20\u529f\u80fd\u3001\u56fe\u5f62\u7528\u6237\u754c\u9762\u7684\u6f5c\u5728\u5e94\u7528\u3001\u6587\u4ef6\u4f20\u8f93\u673a\u5236\u3001\u9519\u8bef\u5904\u7406\u4ee5\u53ca\u7a0b\u5e8f..._winsock2","og_url":"https:\/\/www.wsisp.com\/helps\/19467.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-04-18T17:48:17+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418174816-680290605fd6e.gif"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"7 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/19467.html","url":"https:\/\/www.wsisp.com\/helps\/19467.html","name":"C++ Winsock2\u7f51\u7edc\u7f16\u7a0b\u5b9e\u8df5\uff1a\u4e0b\u8f7dDemo\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-04-18T17:48:17+00:00","dateModified":"2025-04-18T17:48:17+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/19467.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/19467.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/19467.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"C++ Winsock2\u7f51\u7edc\u7f16\u7a0b\u5b9e\u8df5\uff1a\u4e0b\u8f7dDemo\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/19467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=19467"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/19467\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/19465"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=19467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=19467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=19467"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=19467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}