jdom解析xml

 package src.sax;

import java.io.FileInputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;

public class JDomParse {

 public JDomParse()
 {
  
 }
 
 public Map<String,String> doXml() throws JDOMException, IOException
 {
  Map<String,String> map = new HashMap<String,String>();
//  创建流对象 目的是给解析提供参数
  FileInputStream file = new FileInputStream("bin/src/sax/studentinfo.xml");
//  创建解析器对象
  SAXBuilder   builder = new SAXBuilder();
//  创建解析固定的xml文件的对象
  Document    document = builder.build(file);
//  创建根元素的对象
  Element  root     = document.getRootElement();
//  获得根元素下的子元素
  List<Element> bookList  = root.getChildren();
//  操作List
  for(Iterator<Element> it = bookList.iterator();it.hasNext();)
  {
   Element  e = it.next();
//   System.out.println(e.getAttributeValue("email"));
   map.put(e.getChildText("name"), e.getChildText("price"));
  }
  return map;
 }
 
 static public void main(String arg[])
 {
  try {
   Map<String,String> map = new JDomParse().doXml();
   Set<String> set = map.keySet();
   for(Iterator<String> it = set.iterator();it.hasNext();)
   {
    String key = it.next();
    String value = map.get(key);
    System.out.println("key=="+key+"||||value=="+value);
   }
  } catch (JDOMException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
}

 

 

xml格式如下

<?xml version="1.0" encoding="UTF-8"?>
<books>

<book email="yuxiaok">
<name>java</name>
<price>jjj</price>
</book>

<book email="yuxiaokxxx">
<name>javaxx</name>
<price>jjjxx</price>
</book>

<book email="yuxiaokfff">
<name>javaff</name>
<price>jjjff</price>
</book>

</books>