windows下TCP通讯

客户端

#include <iostream>#include <Windows.h>#include <Winsock.h>using namespace std;int main(){//客户端    WSAData wsad;    WSAStartup(MAKEWORD(2,2),&wsad);// 创建socket    SOCKET cli = socket(AF_INET,SOCK_STREAM,0);// 创建含有服务器地址的数据结构    SOCKADDR_IN ser_addr;    ser_addr.sin_family = AF_INET;    ser_addr.sin_addr.s_addr = inet_addr("10.15.1.218");    ser_addr.sin_port = htons(7654);// 连接服务器int res = connect(cli, (sockaddr*)&ser_addr, sizeof(SOCKADDR_IN));if (res != 0){cout<<"connect error, return "<<connRes<<endl;}cout<<"connect success!"<<endl;// 发送数据    char buf[] = "hello";    send(cli, buf, sizeof(buf), 0);    WSACleanup();while (1){Sleep(5);}return 0;}

?

?