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QTQSplitter设置初始比例setStretchFactor失效解决

来源：小奈知识网

QTQSplitter设置初始⽐例setStretchFactor失效解决

QSplitter如下为常⽤设置显⽰⽐例

1 pRightSplitter=new QSplitter(Qt::Vertical);2 pRightSplitter->setMouseTracking(true);3 pRightSplitter->setStretchFactor(0,8);4 pRightSplitter->setStretchFactor(1,2);

但是由于内部有⼦窗⼝的布局时，会失效使⽤下⾯⽅法设置

1 //pRightTopWidget 为⼦窗⼝1

2 QSizePolicy rightTopPolicy = pRightTopWidget->sizePolicy();3 rightTopPolicy.setVerticalStretch(8);

4 pRightTopWidget->setSizePolicy(rightTopPolicy);5 //pRightDownWidget 为⼦窗⼝2

6 QSizePolicy rightDownPolicy = pRightDownWidget->sizePolicy();7 rightDownPolicy.setVerticalStretch(2);

8 pRightDownWidget->setSizePolicy(rightDownPolicy);

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