搞定了,原来是setFocus的文件位置不对路.
int main(int argc, char* argv[])
{
QApplication app(argc, argv);
#if 1
QString out;
QXmlQuery query(QXmlQuery::XSLT20);
query.setFocus(QUrl("D:/Demo.xml"));
query.setQuery(QUrl("D:/PaperView.xsl"));
query.evaluateTo(&out);
QFile file("mm.html");
if (!file.open(QFile::WriteOnly | QFile::Text)) {
;
}
QTextStream ts(&file);
ts << out;
file.close();
#endif
return 0;
}