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kimtaikee:那你就在ScrollArea的resizeEvent中设置这两个Widget的Size都为ScrollArea的Viewport的尺寸大小。[code]ScrollArea::ScrollArea(QWidget* parent) : QScrollArea(parent){.......
robinsonsir:估计自己要自己写一下QWidget::resizeEvent(QResizeEvent *event)事件,在里面获取QMainWindow的大小,然后把新大小付值给QWidget_1和Widget_2。http://doc.qt.io/qt-5/qwidget.html#resizeEvent (2016-03-23 10:42)