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在VC++6.0中，自定义结构通过Socket来传送

2010-07-20 16:57:00| 分类：默认分类 | 标签： |举报 |字号大中小订阅

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服务端和客户端都进行如下的结构体定义：

struct mydt{
int height;
int age;
int sex;
char name[20];
};

在客户端进行接收，并通过编辑框控件的变量进行显示：

void CCh14Demo1ClientDlg::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
char szRecv[20];
//接收UDP数据
//int iRecv =m_sockReceive.ReceiveFrom(szRecv,10,m_ServerIP,m_ServerPort,0);
mydt mydt1;
int iRecv =m_sockReceive.ReceiveFrom(&mydt1,sizeof(mydt1),m_ServerIP,m_ServerPort,0);

if(iRecv==-1)
{
  m_ReceiveData="没有收到数据!";
}
else
{
  //szRecv[iRecv]=NULL;

  //m_ReceiveData=szRecv;
  m_ReceiveData=mydt1.name;
  m_height=mydt1.height;
  m_age=mydt1.age;
  m_sex=mydt1.sex;
  m_name=mydt1.name;

}
UpdateData(false);
mydt1.height=0;
mydt1.age=0;
mydt1.sex=0;
mydt1.name;
UpdateData(true);
CDialog::OnTimer(nIDEvent);
}
在服务端，进行发送：

void CCh14Demo1ServerDlg::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
static iIndex=0;//静态变量，用于计数
char szSend[20];
sprintf(szSend,"%010d",iIndex++);//发送的数据置入缓冲区

// int iSend= m_sockSend.SendTo(szSend,10,m_ClientPort,m_ClientIP,0);//发送UDP数据

mydt mydt1;
mydt1.height=105;
mydt1.age=25;
mydt1.sex=1;
//sprintf(mydt1.name,"%010d",iIndex++);
strcpy(mydt1.name,"张建慧");
int iSend= m_sockSend.SendTo(&mydt1,sizeof(mydt1),m_ClientPort,m_ClientIP,0);//发送UDP数据

TRACE("发送了%d 个字节\n",iSend);
CDialog::OnTimer(nIDEvent);
}

实际运行情况截图：

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