输出数据到.txt文件
QString fileName=QFileDialog::getSaveFileName(mainWindow,tr("Save File"),"../filename","Text files (*.txt)");
std::fstream outputFile(fileName.toLatin1().data(),std::fstream::out);
outputFile <<...
保存.jpg图像
QFileDialog* saveImageDialog=new QFileDialog();
saveImageDialog->setWindowTitle(QString("Save Image"));
saveImageDialog->setFileMode(QFileDialog::AnyFile);
saveImageDialog->setNameFilter(tr("Images (*.jpg)"));
QString* imageName=new QString();if(saveImageDialog->exec())
*imageName=saveImageDialog->getSaveFileName();
if(imageName->size()>0)
cvSaveImage(imageName->toLatin1().data(),img);
或者
fileName = QFileDialog::getOpenFileName(this,
tr("Open Image"), "/home/jana", tr("Image Files (*.png *.jpg *.bmp)"));
QFileDialog保存文件代码
最新推荐文章于 2025-05-22 20:00:22 发布