6_4.cpp

来自「一个qt设计的教程」· C++ 代码 · 共 31 行

#include <qapplication.h>
#include <qlabel.h>

class MyMainWindow:public QWidget
{
 public:
    MyMainWindow();
 private:
    QLabel *text;
};

MyMainWindow::MyMainWindow()
{
 setGeometry(100,100,170,100);

 text = new QLabel(this);
 text->setGeometry(10,10,150,80);
 text->setText("This is a \nQlabel Object !");
 text->setAlignment(AlignHCenter|AlignVCenter);
}

main(int argc,char **argv)
{
 QApplication a(argc,argv);
 MyMainWindow w;

 a.setMainWidget(&w);
 w.show();
 a.exec();
}