java通过dom4j解析xml字符串的实例

昨天在看了一个关于java通过dom4j解析xml字符串的实例第一个是别人的提供的实例，个人觉得不是很好就自己改造了一个，第二个本人的给大家借鉴。

第一个、

package com.northking.content.util; import java.util.HashMap; import java.util.Iterator; import java.util.Map; import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.DocumentHelper; import org.dom4j.Element; public class XmlUtil { /** * @param 解析xml字符串 * */ public void readStringXml(String xml) { Document doc = null; try { // 1.读取并解析XML文档 // SAXReader就是一个管道，用一个流的方式，把xml文件读出来 /* * SAXReader reader = new SAXReader(); //User.hbm.xml表示你要解析的xml文档 * Document document = reader.read(new File("User.hbm.xml")); */ // 下面的是通过解析xml字符串的 doc = DocumentHelper.parseText(xml); // 将字符串转为XML Element rootElt = doc.getRootElement(); // 获取根节点 System.out.println("根节点：" + rootElt.getName()); // 拿到根节点的名称 Iterator iter = rootElt.elementIterator("head"); // 获取根节点下的子节点head // 遍历head节点 while (iter.hasNext()) { Element recordEle = (Element) iter.next(); String title = recordEle.elementTextTrim("title"); // 拿到head节点下的子节点title值 System.out.println("title:" + title); Iterator iters = recordEle.elementIterator("script"); // 获取子节点head下的子节点script // 遍历Header节点下的Response节点 while (iters.hasNext()) { Element itemEle = (Element) iters.next(); String username = itemEle.elementTextTrim("username"); // 拿到head下的子节点script下的字节点username的值 String password = itemEle.elementTextTrim("password"); System.out.println("username:" + username); System.out.println("password:" + password); } } Iterator iterss = rootElt.elementIterator("body"); // /获取根节点下的子节点body // 遍历body节点 while (iterss.hasNext()) { Element recordEless = (Element) iterss.next(); String result = recordEless.elementTextTrim("result"); // 拿到body节点下的子节点result值 System.out.println("result:" + result); Iterator itersElIterator = recordEless.elementIterator("form"); // 获取子节点body下的子节点form // 遍历Header节点下的Response节点 while (itersElIterator.hasNext()) { Element itemEle = (Element) itersElIterator.next(); String banlce = itemEle.elementTextTrim("banlce"); // 拿到body下的子节点form下的字节点banlce的值 String subID = itemEle.elementTextTrim("subID"); System.out.println("banlce:" + banlce); System.out.println("subID:" + subID); } } } catch (DocumentException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } public static Map readStringXmlOut(String xml) { Map map = new HashMap(); Document doc = null; try { doc = DocumentHelper.parseText(xml); // 将字符串转为XML Element rootElt = doc.getRootElement(); // 获取根节点 System.out.println("根节点：" + rootElt.getName()); // 拿到根节点的名称 Iterator iter = rootElt.elementIterator("head"); // 获取根节点下的子节点head // 遍历head节点 while (iter.hasNext()) { Element recordEle = (Element) iter.next(); String title = recordEle.elementTextTrim("title"); // 拿到head节点下的子节点title值 System.out.println("title:" + title); map.put("title", title); Iterator iters = recordEle.elementIterator("script"); // 获取子节点head下的子节点script // 遍历Header节点下的Response节点 while (iters.hasNext()) { Element itemEle = (Element) iters.next(); String username = itemEle.elementTextTrim("username"); // 拿到head下的子节点script下的字节点username的值 String password = itemEle.elementTextTrim("password"); System.out.println("username:" + username); System.out.println("password:" + password); map.put("username", username); map.put("password", password); } } Iterator iterss = rootElt.elementIterator("body"); // /获取根节点下的子节点body // 遍历body节点 while (iterss.hasNext()) { Element recordEless = (Element) iterss.next(); String result = recordEless.elementTextTrim("result"); // 拿到body节点下的子节点result值 System.out.println("result:" + result); Iterator itersElIterator = recordEless.elementIterator("form"); // 获取子节点body下的子节点form // 遍历Header节点下的Response节点 while (itersElIterator.hasNext()) { Element itemEle = (Element) itersElIterator.next(); String banlce = itemEle.elementTextTrim("banlce"); // 拿到body下的子节点form下的字节点banlce的值 String subID = itemEle.elementTextTrim("subID"); System.out.println("banlce:" + banlce); System.out.println("subID:" + subID); map.put("result", result); map.put("banlce", banlce); map.put("subID", subID); } } } catch (DocumentException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return map; } public static void main(String[] args) { // 下面是需要解析的xml字符串例子 String xmlString = "<html>" + "<head>" + "<title>dom4j解析一个例子</title>" + "<script>" + "<username>yangrong</username>" + "<password>123456</password>" + "</script>" + "</head>" + "<body>" + "<result>0</result>" + "<form>" + "<banlce>1000</banlce>" + "<subID>36242519880716</subID>" + "</form>" + "</body>" + "</html>"; /* * Test2 test = new Test2(); test.readStringXml(xmlString); */ Map map = readStringXmlOut(xmlString); Iterator iters = map.keySet().iterator(); while (iters.hasNext()) { String key = iters.next().toString(); // 拿到键 String val = map.get(key).toString(); // 拿到值 System.out.println(key + "=" + val); } } } 

第二个、

package com.jsict.cc.business;import java.util.HashMap;import java.util.Iterator;import java.util.Map;import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.DocumentHelper;import org.dom4j.Element;public class ParseXmlStringDemo {public static Map readStringXmlOut(String xml) {Map map = new HashMap();Document doc = null;try {doc = DocumentHelper.parseText(xml);Element rootElemet = doc.getRootElement();paseMap(rootElemet, map);} catch (DocumentException e) {e.printStackTrace();}return map;}   //通过递归的方法往map里面放值private static void paseMap(Element element, Map map) {if (element.isTextOnly()) {//判断该节点是不是文本节点map.put(element.getName(), element.getText());} else  {Iterator iter = element.elementIterator();while (iter.hasNext()) {Element recordEless = (Element) iter.next();paseMap(recordEless, map);}}}public static void main(String[] args) {String xmlString = "<html>" + "<head>" + "<title>dom4j解析一个例子</title>"+ "<script>" + "<username>yangrong</username>"+ "<password>123456</password>" + "</script>" + "</head>"+ "<body>" + "<result>0</result>" + "<form>"+ "<banlce>1000</banlce>" + "<subID>36242519880716</subID>"+ "</form>" + "</body>" + "</html>";Map map = readStringXmlOut(xmlString);System.out.println("title:"+map.get("title"));System.out.println("username:"+map.get("username"));System.out.println("password:"+map.get("password"));System.out.println("result:"+map.get("result"));System.out.println("banlce:"+map.get("banlce"));System.out.println("subID:"+map.get("subID"));}}