使用CPPUNIT_NS::XmlOutputter可以实现
//define xsl filename in same folder with xml file
std::string xsl="report.xsl";
//define xml path
std::ofstream file( "D:\\Apache Group\\Apache2\\htdocs\\reporter\\tests.xml" );
…………
CPPUNIT_NS::XmlOutputter outputter( &result, file);//输出xml
outputter.setStyleSheet(xsl);