客户端代码 #define _WINSOCK_DEPRECATED_NO_WARNINGS #include <stdio.h> #include <Winsock2.h> #ifndef MSG_NOSIGNAL #define MSG_NOSIGNAL 0 #endif #pragma comment(lib,"ws2_32.lib") int main() { WORD wVersionRequested; WSADATA wsaData; int err; wVersionRequested = MAKEWORD(1, 1); err = WSAStartup(wVersionRequested, &wsaData); if (err != 0) { return -1; } if (LOBYTE(wsaData.wVersion) != 1 || HIBYTE(wsaData.wVersion) != 1) { WSACleanup(); return -1; } SOCKET sockClient = socket(AF_INET, SOCK_STREAM, 0); SOCKADDR_IN addrSrv; addrSrv.sin_addr.S_un.S_addr = inet_addr("127.0.0.1"); addrSrv.sin_family = AF_INET; addrSrv.sin_port = htons(6000); connect(sockClient, (SOCKADDR*)&addrSrv, sizeof(SOCKADDR)); send(sockClient, "hello\0", strlen("hello") + 1, 0); char recvBuf[50]; recv(sockClient, recvBuf, 50, 0); printf("%s\n", recvBuf); closesocket(sockClient); WSACleanup(); return 0;} 服务器端：#define _WINSOCK_DEPRECATED_NO_WARNINGS #include <stdio.h> #include <Winsock2.h> #ifndef MSG_NOSIGNAL #define MSG_NOSIGNAL 0 #endif #pragma comment(lib,"ws2_32.lib") int main() { WORD wVersionRequested; WSADATA wsaData; int err; wVersionRequested = MAKEWORD(2, 2); err = WSAStartup(wVersionRequested, &wsaData); if (err != 0) { return 1; } if (LOBYTE(wsaData.wVersion) != 2 || HIBYTE(wsaData.wVersion) != 2) { WSACleanup(); return 1; } SOCKET sockSrv = socket(AF_INET, SOCK_STREAM, 0); int optval = 1; setsockopt(sockSrv, SOL_SOCKET, SO_REUSEADDR, (const char*)&optval, sizeof(optval)); SOCKADDR_IN addrSrv; addrSrv.sin_addr.S_un.S_addr = htonl(INADDR_ANY); addrSrv.sin_family = AF_INET; addrSrv.sin_port = htons(6000); bind(sockSrv, (SOCKADDR*)&addrSrv, sizeof(SOCKADDR)); listen(sockSrv, 5); SOCKADDR_IN addrClient; int len = sizeof(SOCKADDR); while (1) { SOCKET sockConn = accept(sockSrv, (SOCKADDR*)&addrClient, &len); char sendBuf[50]; printf(sendBuf, "Welcome %s to here!", inet_ntoa(addrClient.sin_addr)); send(sockConn, sendBuf, strlen(sendBuf) + 1, MSG_NOSIGNAL); char recvBuf[50]; recv(sockConn, recvBuf, 50, 0); printf("%s\n", recvBuf); closesocket(sockConn); } WSACleanup(); return 0;} 如何修改代码改成可以一直聊天的 不要预输入进去的 要我自己在客户端进行打字操作
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