QT显示一张图片的坐标
void MainWindow::on_pushButton_clicked()
{
//显示图片
QImage *image=new QImage("E:/1.jpg");
QLabel *label=new QLabel(this);
label->setGeometry(80,0,500,500);
label->setPixmap(QPixmap::fromImage(*image));
label->show();
}
void mouseMoveEvent(QMouseEvent *event){ //鼠标移动显示坐标
QPoint viewPoint=event->pos();
viewCoord->setText(QString::number(viewPoint.x()+","+QString::number(viewPoint.y())));
}