QMessageBox message_cd(QMessageBox::NoIcon, QString::fromUtf8("警告"), QString::fromUtf8("您是否要关闭此软件？"));
	message_cd.addButton(QString::fromUtf8("是"), QMessageBox::AcceptRole);
	message_cd.addButton(QString::fromUtf8("否"), QMessageBox::RejectRole);
	if (message_cd.exec() == QMessageBox::AcceptRole)
	{
 
		this->close();
		e->accept();
	}
	else
	{
		e->ignore();
	}

QMessageBox message_cd(QMessageBox::NoIcon, QString::fromLocal8Bit("警告"), QString::fromLocal8Bit("您是否要关闭此软件？"));
	message_cd.addButton(QString::fromLocal8Bit("是"), QMessageBox::AcceptRole);
	message_cd.addButton(QString::fromLocal8Bit("否"), QMessageBox::RejectRole);
	if (message_cd.exec() == QMessageBox::AcceptRole)
	{
 
	 
		e->accept();
	}
	else
	{
		e->ignore();
	}