代码：

#include "mywidget.h"
#include "ui_mywidget.h"MyWidget::MyWidget(QWidget *parent): QWidget(parent), ui(new Ui::MyWidget)
{ui->setupUi(this);ui->background->setPixmap(QPixmap(":/qt picture/logo.png"));
//    ui->background->setMovie(QMovie(":/qt picture/qq2.gif"));ui->background->setScaledContents(true);}MyWidget::~MyWidget()
{delete ui;
}