一、C++服务器端
（用的是Visual Studio 2008（05，03的应该也可以，VC++的可能需要稍微改动））
代码如下：
#include <winsock2.h>
#include <stdio.h>
#include <windows.h>
#include <iostream>
using namespace std;
#pragma comment(lib,"ws2_32.lib")
void main(){
WORD wVersionRequested;
WSADATA wsaData;
int err;
short port=1300;//端口号
wVersionRequested = MAKEWORD( 1, 1 );
err = WSAStartup( wVersionRequested, &wsaData );//初始化套接字
if ( err != 0 )
{
return;
}
if ( LOBYTE( wsaData.wVersion ) != 1 || HIBYTE( wsaData.wVersion ) != 1 )
{
WSACleanup( );
return;
}
SOCKET sockSrv=socket(AF_INET,SOCK_STREAM,0);//创建套接字
SOCKET sockConn;//用来和客户端通信的套接字
SOCKADDR_IN addrSrv;//用来和客户端通信的套接字地址
addrSrv.sin_addr.S_un.S_addr=htonl(INADDR_ANY);
addrSrv.sin_family=AF_INET;
addrSrv.sin_port=htons(port);
bind(sockSrv,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));//绑定端口
listen(sockSrv,5);//侦听
printf("Server %d is listening......\n",port);
SOCKADDR_IN addrClient;
int len=sizeof(SOCKADDR);
char buf[4096];//接收的数据
char rbuf[100]="成功";//返回的数据
while(1)
{
//接受连接
sockConn=accept(sockSrv,(SOCKADDR*)&addrClient,&len);
printf("Accept connection from %s\n",inet_ntoa(addrClient.sin_addr));
//接收数据
int bytes;
if((bytes=recv(sockConn,buf,sizeof(buf),0))==SOCKET_ERROR){
printf("接收数据失败!\n");
exit(-1);
}
buf[bytes]='\0';
printf("Message from %s: %s\n",inet_ntoa(addrClient.sin_addr),buf);
//发送数据
if(send(sockConn,rbuf,strlen(rbuf)+1,0)==SOCKET_ERROR){
printf("发送数据失败！");
exit(-1);
}
printf("Message to %s: %s\n",inet_ntoa(addrClient.sin_addr),rbuf);
//清理套接字占用的资源
closesocket(sockConn);
}
}
运行效果如下：
二、Flex客户端（Flex Builder）
代码如下
<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
creationComplete="initApp();">
<mx:Script>
<![CDATA[
import flash.net.Socket;
private var socket:Socket;
private function initApp():void
{
}
private function StartTest():void
{
socket = new Socket("127.0.0.1",1300);
socket.addEventListener(Event.CONNECT, connectHandler);
socket.addEventListener(ProgressEvent.SOCKET_DATA, socketDataHandler);
}
private function CloseTest():void
{
if(socket!=null && socket.connected)
{
trace("socket.connected:"+socket.connected);
socket.close();
trace("socket.connected:"+socket.connected);
}
}
private function connectHandler(event:Event):void
{
trace("connectHandler: " + event);
socket.writeMultiByte(SendStr.text,"GB2312");
socket.flush();
}
private function socketDataHandler(event:ProgressEvent):void
{
trace("socketDataHandler: " + event);
var str:String=socket.readMultiByte(socket.bytesAvailable,"GB2312");
ReceiveStr.text = str;
}
]]>
</mx:Script>
<mx:Text text="发送" y="11" x="18" fontWeight="bold" color="#ffffff"/>
<mx:TextArea >
<mx:Text text="接收" y="69" x="18" fontWeight="bold" color="#ffffff"/>
<mx:TextArea >
<mx:Button label="Start" click="StartTest()" x="53" y="120"/>
<mx:Button label="Close" click="CloseTest()" x="126" y="120"/>
</mx:WindowedApplication>
三、运行
先运行C++服务器端，再运行Flex客户端，成功后如下图所示