QImage image;
QDir dir("/home/QtSDK/show");
dir.setFilter(QDir::Files | QDir::Hidden | QDir::NoSymLinks);
dir.setSorting(QDir::Size | QDir::Reversed);
QFileInfoList list = dir.entryInfoList();
for (int i = 0; i < list.size(); ++i)
{
QFileInfo fileInfo = list.at(i);
QString s;
s.append("/home/QtSDK/show/");
s.append(fileInfo.fileName().toAscii().data());
MSGprinter->setPlainText(s);
image.loadFromData(s);
first_label_1->setScaledContents(true);
first_label_1->setPixmap(QPixmap::fromImage(image));
}
代码如上,可以读出来图片的绝对路径,但是显示图片不成功,求解阿,很急哦