//设置窗体透明this->setAttribute(Qt::WA_TranslucentBackground, true);//设置无边框this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowMinMaxButtonsHint);QVBoxLayout* pMainLay = new QVBoxLayout(this);CLoginRealWidget* pRealWidget = new CLoginRealWidget(this);pMainLay->addWidget(pRealWidget);pMainLay->setContentsMargins(30, 30, 30, 30);setLayout(pMainLay);//给顶层widget设置背景颜色，不然看不见，因为底层widget已经透明了pRealWidget->setStyleSheet("background-color:rgb(255, 254, 253)");QGraphicsDropShadowEffect* shadow = new QGraphicsDropShadowEffect(this);//设置阴影距离shadow->setOffset(0, 0);//设置阴影颜色 686868shadow->setColor(QColor("#686868"));//设置阴影区域shadow->setBlurRadius(30);//给顶层QWidget设置阴影pRealWidget->setGraphicsEffect(shadow);#include <QGraphicsDropShadowEffect>
QGraphicsDropShadowEffect* shadow = new QGraphicsDropShadowEffect(this);
)
)
