问使用XMLUnit查找两个XML文件中的差异

EN

public static void main(String[] args) 
    {
        //URL url1 = xmlunittest.class.getResource("MSHIS1.xml");
    //  URL url2 = xmlunittest.class.getResource("MSHIS.xml");

        Logger L = new Logger();

        FileReader fr1 = null;
        int countofdifferences = 0;
        FileReader fr2 = null;
        try {
            fr1 = new FileReader("MSHIS.xml");
            fr2 = new FileReader("MSHIS1.xml");
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }

        try {
            Diff diff = new Diff(fr1, fr2);
            L.writeToBVTLOG("Similar? " + diff.similar());
            L.writeToBVTLOG("Identical? " + diff.identical());


            DetailedDiff detDiff = new DetailedDiff(diff);
            List differences = detDiff.getAllDifferences();
            for (Object object : differences) {
                Difference difference = (Difference)object;
                L.writeToBVTLOG("------------------------");
                L.writeToBVTLOG(difference.toString());
                L.writeToBVTLOG("------------------------");

                countofdifferences++;
            }

        } catch (SAXException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }


        L.writeToBVTLOG(countofdifferences);
    }