int main(int argc, char *argv[])

 {

     QApplication a(argc, argv);

     //MainWindow w;

     //w.show();

     //左右分割

 7     QSplitter *spmain = new QSplitter(Qt::Horizontal,0);

 8     QTextEdit *textleft = new QTextEdit("left",spmain);

 9     textleft->setAlignment(Qt::AlignCenter);

10

11     //设置位置,spmain的左边

12     QSplitter *spright = new QSplitter(Qt::Vertical,spmain);

13     QTextEdit *textup = new QTextEdit("right up",spright);

14     textup->setAlignment(Qt::AlignCenter);

15

16     QTextEdit *textdown = new QTextEdit("right down",spright);

17     textleft->setAlignment(Qt::AlignCenter);



     spmain->show();

     return a.exec();

 }