QT中QFileDialog的使用

QStringList mimeTypeFilters;mimeTypeFilters << "image/jpeg" // will show "JPEG image (*.jpeg *.jpg *.jpe)<< "image/png"  // will show "PNG image (*.png)"<< "application/octet-stream"; // will show "All files (*)"QFileDialog dialog(this);dialog.setMimeTypeFilters(mimeTypeFilters);dialog.exec();