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QString getHostMacAddress()
{
QList nets = QNetworkInterface::allInterfaces();// 获取所有网络接口列表
int nCnt = nets.count();
QString strMacAddr = "";
for(int i = 0; i < nCnt; i ++)
{
// 如果此网络接口被激活并且正在运行并且不是回环地址，则就是我们需要找的Mac地址
if(nets[i].flags().testFlag(QNetworkInterface::IsUp) && nets[i].flags().testFlag(QNetworkInterface::IsRunning) && !nets[i].flags().testFlag(QNetworkInterface::IsLoopBack))
{
strMacAddr = nets[i].hardwareAddress();
break;
}
}
return strMacAddr;
}