QT LABEL 显示GIF

    //下拉框
    ui->comboBox->addItem("电脑");
    ui->comboBox->addItem("打印机");
    ui->comboBox->addItem("网络设备");
    ui->comboBox->addItem("空调");
    ui->comboBox->setCurrentIndex(2);
    if (ui->comboBox->maxCount()>0){
        ui->comboBox->setCurrentIndex(0);
    }
    //label显示gif
    QMovie * movie=new QMovie(":/gif/image/logo.gif");
    ui->labMovie->setMovie(movie);
    movie->start();