中文XML论坛--有谁会java的jdom读写xml文件

贴子主题：有谁会java的jdom读写xml文件

本主题类别:

<?xml version="1.0" encoding="utf-8"?>
<root>
    <student number="1">
        <id>1001</id>
        <name>Jack1</name>
        <sex>男</sex>
    </student>
    <student number="2">
        <id>1002</id>
        <name>Rose</name>
        <sex>女</sex>
    </student>
    <student number="3">
        <id>1001</id>
        <name>Tim</name>
        <sex>女</sex>
    </student>
</root>

******************************************************************

package day_0907.jdom;

import java.io.File;
import java.io.FileWriter;
import java.util.List;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;

public class MyJdom {
public void readXml(){
  SAXBuilder saxBuilder = new SAXBuilder();
  try {
   Document doc = saxBuilder.build(new File(
     "src/day_0907/jdom/read.xml"));
   Element root = doc.getRootElement();
   List<Element> childs =root.getChildren();
   for (Element element : childs) {
    String number = element.getAttributeValue("number");
    System.out.println("----------"+number+"------------");
    String id = element.getChildTextTrim("id");
    String name = element.getChildTextTrim("name");
    String sex = element.getChildTextTrim("sex");
    System.out.println("id:"+id);
    System.out.println("name:"+name);
    System.out.println("sex:"+sex);
   }
  }catch (Exception e) {
   e.printStackTrace();
  }
}
public void wirterXml() {
  SAXBuilder saxBuilder = new SAXBuilder();
  try {
   Document doc = saxBuilder.build(new File(
     "src/day_0907/jdom/read.xml"));

   // 首先创建好节点
   Element eltStudent = new Element("student");
   Element eltId = new Element("id");
   Element eltName = new Element("name");
   Element eltSex = new Element("sex");

   // 设置节点的值
   eltId.setText("1001");
   eltName.setText("Tim");
   eltSex.setText("女");

   // 添加到根节点
   eltStudent.addContent(eltId);
   eltStudent.addContent(eltName);
   eltStudent.addContent(eltSex);
   // 根节点设置属性
   eltStudent.setAttribute("number", "3");

Element root = doc.getRootElement();
root.addContent(eltStudent);// 增加节点

XMLOutputter xmlOut = new XMLOutputter();

   // 设置XML格式
   Format fmt = Format.getPrettyFormat();
   fmt.setIndent("    ");
   fmt.setEncoding("utf-8");

   xmlOut.setFormat(fmt);
   xmlOut.output(doc, new FileWriter("src/day_0907/jdom/read.xml"));
  } catch (Exception e) {
   e.printStackTrace();
  }
}
}


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