Jdom 解析XML数据

 

@SuppressWarnings( { "unchecked", "unused" })public List<Map<String, List<Object>>> readXml() {List<Map<String, List<Object>>> result = new ArrayList<Map<String, List<Object>>>();SAXBuilder builder = new SAXBuilder(false);try {// 获取类路径的games.xml文件File file = new File(this.getClass().getResource("").getPath() + "student.xml");Document doc = builder.build(file);Element element = doc.getRootElement();List classes = element.getChildren("class");System.out.println("班级有：" + classes.size());for (Iterator iterGenre = classes.iterator(); iterGenre.hasNext();) {Map<String, List<Object>> map = new HashMap<String, List<Object>>();String mapKey = null;List<Object> mapValue = new ArrayList<Object>();Element classElement = (Element) iterGenre.next();mapKey = classElement.getAttributeValue("name");List students = classElement.getChildren("students");if (null != students && students.size() > 0) {Element studentsElement = (Element) students.get(0);List student = studentsElement.getChildren("student");System.out.println("班级【"+mapKey+"】的学生有：" + student.size());for (Iterator iterGame = student.iterator(); iterGame.hasNext();) {Element studentElement = (Element) iterGame.next();String sName = studentElement.getAttributeValue("name");String sSex = studentElement.getChildTextTrim("sex");String sAge = studentElement.getChildTextTrim("age");String xxx = studentElement.getChildTextTrim("xxx");System.out.println("----学生信息----");System.out.println("姓名：" + sName);System.out.println("性别：" + sSex);System.out.println("年龄：" + sAge);System.out.println("xxx：" + (xxx == null ? "空" : null));String[] studentInfo = new String[3];mapValue.add(studentInfo);}}result.add(map);}} catch (JDOMException e) {e.printStackTrace();}return result;} <?xml version="1.0" encoding="UTF-8"?><root><class name="3年八班"><students><student name="张三"><sex>男</sex><age>18</age></student></students></class><class name="3年6班"><students><student name="李四"><sex>男</sex><age>18</age></student><student name="abc"><sex>男</sex><age>18</age></student><student name="bddg"><sex>男</sex><age>18</age></student></students></class></root> 打印结果：班级有：2班级【3年八班】的学生有：1----学生信息----姓名：张三性别：男年龄：18xxx：空班级【3年6班】的学生有：3----学生信息----姓名：李四性别：男年龄：18xxx：空----学生信息----姓名：abc性别：男年龄：18xxx：空----学生信息----姓名：bddg性别：男年龄：18xxx：空