QT分割子窗口

在子窗口的构造函数中添加如下代码：

    QTextEdit*textEdit1=newQTextEdit;

    QTextEdit *textEdit2=new QTextEdit;

    QTextEdit *textEdit3=new QTextEdit;

    QSplitter *splitter=new QSplitter(Qt::Horizontal);

    splitter->addWidget(textEdit1);

    splitter->addWidget(textEdit2);

    splitter->addWidget(textEdit3);

    QVBoxLayout *layout = new QVBoxLayout;

    layout->addWidget(textEdit1);

    layout->addWidget(textEdit2);

    layout->addWidget(textEdit3);