我有手动保存的程序,求自动保存,不受人工干扰的,保存数据方法
void Plot::saveToFile()
{
CurveData *data = (CurveData *)d_curve->data();
QString dateString = QDateTime::currentDateTime().toString("yyyyMMddhhmmss");
#if LINUX_EMBEDDED_SYSTEM
QString ldir = "/mnt/udisk/";
#else
QString ldir = "D:\";
#endif
QString fileName = QFileDialog::getSaveFileName(this,
tr("Save sample data"), ldir + dateString,
tr("sample data (*.qvpf);;All Files (*)"));
if (!fileName.isEmpty() && !fileName.isNull()){
#if LINUX_EMBEDDED_SYSTEM
fileName = fileName + ".qvpf";
#endif
data->values().saveToFile(fileName);
}
}