我如何打开带有 android -content://com.android.providers.downloads.documents/document/raw.pdf 链接的 QFile 文件
我尝试了下面的代码,但它显示文件未打开
QString path("content://com.android.providers.downloads.documents/document/raw.pdf");
QUrl path_url(path);
path = path_url.toLocalFile();
QFile* file = new QFile(path);
file->open(QIODevice::ReadOnly)