【文件属性】：
文件名称：UDP聊天程序Socket网络编程
文件大小：1KB
文件格式：CPP
更新时间：2012-01-10 10:50:40
Socket网络编程代码
#include
#include
#pragma comment(lib, "WS2_32") // 链接到WS2_32.lib
BOOL InitWinsock();
void main()
{
SOCKET socket1;
InitWinsock();
struct sockaddr_in server;
int len =sizeof(server);
server.sin_family=AF_INET;
server.sin_port=htons(1000); ///server的监听端口
server.sin_addr.s_addr=inet_addr("127.0.0.1"); ///server的地址
socket1=socket(AF_INET,SOCK_DGRAM,0);
while (1)
{
char buffer[1024]="\0";
printf("input message\n");
scanf("%s",buffer);
if (strcmp(buffer,"bye")==0)
break;
if (sendto(socket1,buffer,sizeof buffer,0,(struct sockaddr*)&server,len)!=SOCKET_ERROR)
{
if (recvfrom(socket1,buffer,sizeof buffer,0,(struct sockaddr*)&server,&len)!=SOCKET_ERROR)
printf("rece from server:%s\n",buffer);
}
}
closesocket(socket1);
}
BOOL InitWinsock()
{
int Error;
WORD VersionRequested;
WSADATA WsaData;
VersionRequested=MAKEWORD(2,2);
Error=WSAStartup(VersionRequested,&WsaData); //启动WinSock2
if(Error!=0)
{
return FALSE;
}
else
{
if(LOBYTE(WsaData.wVersion)!=2||HIBYTE(WsaData.wHighVersion)!=2)
{
WSACleanup();
return FALSE;
}
}
return TRUE;
}
