<Qt C++>选择文件\选择文件夹\label播放gif

void MainWindow::selectfile()//选择文件（gif）{     path = QFileDialog::getOpenFileName(this,tr("Open File"),".",tr("Text Files(*.gif)"));     ui->lineEdit->setText(path);}void MainWindow::selectfile_2()//选择文件夹{       path=QFileDialog::getExistingDirectory (this);       ui->lineEdit_2->setText(path);}

void MainWindow::on_pushButton_clicked()//label播放gif{ movie = new QMovie("path"); ui->label->setMovie(movie); movie->setFileName(path); movie->start(); qDebug()<