metaobject.cpp

《精通QT4编程》第3章代码整理 加入修改

#include <QDebug>
#include <QtGui>
#include <QtCore>
int main(int argc, char *argv[])
{
	QApplication app(argc, argv);	
	QTextCodec::setCodecForTr(QTextCodec::codecForName("gb18030"));
	
	QObject* obj = new QLabel;
	const QMetaObject* mo = obj->metaObject();
	qDebug() << QObject::tr("类名：%1").arg(mo->className());
	qDebug() << QObject::tr("是否继承自QWidget：%1")
			.arg(obj->inherits("QWidget") ? QObject::tr("是") : QObject::tr("否") );	
    return 0;
}