解析XML文件

public String getWZdata(String id, String code, String xml) {
        System.out.println(id);
        System.out.println(code);
        //解析xml文件
        SAXReader saxReader = new SAXReader();
        Document document = null;
        try {
            document = saxReader.read(new ByteArrayInputStream(xml.getBytes("UTF-8")));
        } catch (Exception e) {
            e.printStackTrace();
        }
        Element element = document.getRootElement();
        List<WZEntity> list = new ArrayList<>();

        for (Iterator i = element.elementIterator("DATAINFO"); i.hasNext(); ) {
            Element root = (Element) i.next();
            WZEntity wz = new WZEntity();

            String key = UUID.randomUUID().toString().replaceAll("-", "");
            //id
            wz.setId(key);
            //设置名称
            wz.setName(root.elementText("DESC1"));
            //设置编码
            wz.setCode(root.elementText("CODE"));
            //设置描述
            wz.setDescription("");
            //设置类别编码
            wz.setCategorycode(root.elementText(""));
            //设置类别名称
            wz.setCategoryname(root.elementText("DESC1"));
            //父类别编码(取得是父节点code)
            wz.setParentcode(root.elementText("PARENTCODE"));
            //版本号
            wz.setSversion(root.elementText("VERSION"));
            //全局唯一编码
            wz.setGuid("");

            list.add(wz);
        }
        System.out.println(list.toString()+"aaaa");

        //将接收到的数据插入数据库
//        NewsDao n = new NewsDao();
//        n.insert(list);


        StringBuilder sb = new StringBuilder();
        // 得到当前节点属性name对象
        Attribute attribute = element.attribute("SYSCODESYNCODE");
        // 获得属性对象的值
        String value1 = attribute.getValue();

        // 得到当前节点属性name对象
        Attribute attribute1 = element.attribute("UNIQUEID");
        // 获得属性对象的值
        String value2 = attribute1.getValue();

        Attribute attribute2 = element.attribute("SYSCODE");
        String value3 = attribute2.getValue();
        sb.append("<DATAINFOS SYSCODESYNCODE=\"");
        sb.append(value1);
        sb.append("\" UNIQUEID=\"");
        sb.append(value2);
        sb.append("\" SYSCODE=\"");
        sb.append(value3);
        sb.append("\">");
        for (Iterator i = element.elementIterator("DATAINFO"); i.hasNext(); ) {
            Element chiled1 = (Element) i.next();
            sb.append(" <DATAINFO  codeid=");
            sb.append("\"");
            sb.append(chiled1.elementText("CODEID"));
            sb.append("\"");
            sb.append(" version=");
            sb.append("\"");
            sb.append(chiled1.elementText("VERSION"));
            sb.append("\"");//得到版本号
            sb.append(" status=\"0\"");
            sb.append(" errorText=\"同步成功\" ");
            sb.append("/>");
        }
        sb.append(" </DATAINFOS>");
//        System.out.println(sb.toString()+"bbbbb");
        System.out.println("AAAA  插入数据成功");

        return sb.toString();


    }