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case FD_READ:
{
szpRevcBuf = new TCHAR[MAX_LEN];
tempBuf = new TCHAR[MAX_LEN];
recv(sockConn, szpRevcBuf, strlen(szpRevcBuf)+ 1, 0);
wsprintf(tempBuf, "客户端: %s", szpRevcBuf);
SendMessage(hShow, LB_ADDSTRING, 0, (LPARAM)tempBuf);
delete []szpRevcBuf;
delete []tempBuf;
}
break;
#include <stdio.h>
#include <winsock2.h>
#pragma comment (lib, "ws2_32.lib") //加载 ws2_32.dll
int main(){
//初始化 DLL
WSADATA wsaData;
WSAStartup( MAKEWORD(2, 2), &wsaData);
//创建套接字
SOCKET servSock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
//绑定套接字
sockaddr_in sockAddr;
memset(&sockAddr, 0, sizeof(sockAddr)); //每个字节都用0填充
sockAddr.sin_family = PF_INET; //使用IPv4地址
sockAddr.sin_addr.s_addr = inet_addr("127.0.0.1"); //具体的IP地址
sockAddr.sin_port = htons(1234); //端口
bind(servSock, (SOCKADDR*)&sockAddr, sizeof(SOCKADDR));
//进入监听状态
listen(servSock, 20);
//接收客户端请求
SOCKADDR clntAddr;
int nSize = sizeof(SOCKADDR);
SOCKET clntSock = accept(servSock, (SOCKADDR*)&clntAddr, &nSize);
//向客户端发送数据
char *str = "Hello World!";
send(clntSock, str, strlen(str)+sizeof(char), NULL);
//关闭套接字
closesocket(clntSock);
closesocket(servSock);
//终止 DLL 的使用
WSACleanup();
return 0;
}
#include <stdio.h>
#include <stdlib.h>
#include <WinSock2.h>
#pragma comment(lib, "ws2_32.lib") //加载 ws2_32.dll
int main(){
//初始化DLL
WSADATA wsaData;
WSAStartup(MAKEWORD(2, 2), &wsaData);
//创建套接字
SOCKET sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
//向服务器发起请求
sockaddr_in sockAddr;
memset(&sockAddr, 0, sizeof(sockAddr)); //每个字节都用0填充
sockAddr.sin_family = PF_INET;
sockAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
sockAddr.sin_port = htons(1234);
connect(sock, (SOCKADDR*)&sockAddr, sizeof(SOCKADDR));
//接收服务器传回的数据
char szBuffer[MAXBYTE] = {0};
recv(sock, szBuffer, MAXBYTE, NULL);
//输出接收到的数据
printf("Message form server: %s\n", szBuffer);
//关闭套接字
closesocket(sock);
//终止使用 DLL
WSACleanup();
system("pause");
return 0;
}
recv(sockConn, szpRevcBuf, strlen(szpRevcBuf)+ 1, 0);
//改成
recv(sockConn, szpRevcBuf, sizeof(szpRevcBuf), 0);