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VC++ MFC编程中 IP控件的使用

2011-03-11 07:41:06| 分类：技术探讨 | 标签： |举报 |字号大中小订阅

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IP地址在计算机中表示是32位二进制，通过GetAddress()来获得IP时，得到的是一个由二进制所转化的长整型IP地址，比如IP地址202.201.112.98的长整型表示就是：3402199138，同样也可以使用http://3402199138/来访问，所以在进行套接字绑定时要进行相应的转换。

//将CString 型IP地址在IPAddressCtrl中显示

CString   strIP= "192.168.0.10 ";
DWORD   dwIP;
dwIP   =   inet_addr(strIP);
unsigned   char   *pIP   =   (unsigned   char*)&dwIP;
m_ipAddr.SetAddress(*pIP,   *(pIP+1),   *(pIP+2),   *(pIP+3));

//将IPAddressCtrl中的IP地址获得并转换成CString型

unsigned   char   *pIP;
CString   strIP;
DWORD   dwIP;
m_ipAddr.GetAddress(dwIP);
pIP   =   (unsigned   char*)&dwIP;
strIP.Format( "%u.%u.%u.%u ",*(pIP+3),   *(pIP+2),   *(pIP+1),   *pIP);

//C语言实现代码

#include<stdio.h>

int main()
{
    unsigned long i=3402199138;
    unsigned char* pI;
    pI=(unsigned char*)&i;
    printf("%u.%u.%u.%u\n",*(pI+3),*(pI+2),*(pI+1),*(pI));
    system("pause");
    return 0;
}

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