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CNoAuthorizationqqq = new CNoAuthorization(this);
QObject::connect(CNoAuthorizationqqq->returnBtn, SIGNAL(clicked()), this, SLOT(show()));
}
CMainWindow :: ~CMainWindow()
{
}
void CMainWindow :: ChooseMachiningType1()
{
close();
CNoAuthorizationqqq->exec();
//CNoAuthorization noAuthorization(this);
//noAuthorization.exec();
}
void CMainWindow :: ChooseMachiningType2()
{
CNoAuthorization noAuthorization(this);
noAuthorization.exec();
}
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还是感觉先用指针new出来，再exec()事件循环比较快些，也省资源
用信号的槽的连接，还很方面的切换两个界面
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