JDOM解析XML文件

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转自： http://blog.csdn.net/yjkwf/article/details/7249037
package com.test;    import org.jdom.*;  import org.jdom.input.SAXBuilder;  import org.jdom.output.*;  import java.io.*;  import java.util.List;    public class JDomMain  {      public void BuildXML() throws Exception      {          Element root,student,number,name,age;                           root = new Element("student-info");//生成根元素：student-info            student = new Element("student");//生成元素：student,该元素中将包含元素number,name,age          number = new Element("number");          name = new Element("name");          age = new Element("age");                   Document doc = new Document(root);//将根元素植入文档doc中                   number.setText("001");          name.setText("yinjinke");          age.setText("24");          student.addContent(number);          student.addContent(name);          student.addContent(age);          root.addContent(student);                   Format format = Format.getCompactFormat();          format.setEncoding("gb2312");//设置xml文件的字符为gb2312          format.setIndent("  ");//设置xml文件的缩进为2个空格                   XMLOutputter XMLOut = new XMLOutputter(format);//在元素后换行，每一层元素缩排2格          XMLOut.output(doc, new FileOutputStream("studentinfo.xml"));                }      @SuppressWarnings("unchecked")      public static void main(String[] args)       {          /*         JDomMain jd = new JDomMain();         System.out.println("Now we build an XML document ... ");         try          {             jd.BuildXML();         }          catch (Exception e)          {             e.printStackTrace();         }         System.out.println("finished!");         */                              SAXBuilder builder = new SAXBuilder();          Document read_doc = new Document();          try           {              read_doc = builder.build("studentinfo.xml");          }           catch (JDOMException e1)           {              e1.printStackTrace();          }           catch (IOException e1)           {              e1.printStackTrace();          }                              Element stu = read_doc.getRootElement();          List<Element> list = stu.getChildren("student");          for(int i = 0;i < list.size();i++)          {              Element e = list.get(i);              String str_number = e.getChildText("number");              String str_name = e.getChildText("name");              String str_age = e.getChildText("age");              System.out.println("--------STUDENT--------------");              System.out.println("NUMBER:" + str_number);              System.out.println("NAME:" + str_name);              System.out.println("AGE:" + str_age);              System.out.println("------------------------------");          }            }    }
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