11_3.cpp

一个qt设计的教程

#include <qapplication.h>
#include <qwidget.h>
#include <qpushbutton.h>
#include <qfont.h>
#include <qlayout.h>

class MyMainWindow:public QWidget
{
 public:
    MyMainWindow();
};

MyMainWindow::MyMainWindow()
{
 setMinimumSize(200,200);

 QPushButton *b1 = new QPushButton("Button1",this);
 b1->setMinimumSize(200,100);
 b1->setFont(QFont("Times",18,QFont::Bold));
 
 QPushButton *b2 = new QPushButton("Button2",this);
 b2->setMinimumSize(200,100);
 b2->setFont(QFont("Times",18,QFont::Bold));

 QPushButton *b3 = new QPushButton("Button3",this);
 b3->setMinimumSize(200,100);
 b3->setFont(QFont("Times",18,QFont::Bold));

 QPushButton *b4 = new QPushButton("Button4",this);
 b4->setMinimumSize(200,100);
 b4->setFont(QFont("Times",18,QFont::Bold));
 
 QPushButton *b5 = new QPushButton("Button5",this);
 b5->setMinimumSize(200,100);
 b5->setFont(QFont("Times",18,QFont::Bold));

 QPushButton *b6 = new QPushButton("Button6",this);
 b6->setMinimumSize(200,100);
 b6->setFont(QFont("Times",18,QFont::Bold));
 
 QGridLayout *grid = new QGridLayout(this,3,2);
 grid->addWidget(b1,0,0);
 grid->addWidget(b2,1,0);
 grid->addWidget(b3,2,0);
 grid->addWidget(b4,0,1);
 grid->addWidget(b5,1,1);
 grid->addWidget(b6,2,1);

}

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

 w.setGeometry(100,100,200,200);

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