java dom4j 解析xml字符串的操作实例。
- package test;
- 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;
- /**
- * @Title: TestDom4j.java
- * @Package
- * @Description: 解析xml字符串
- * @author 无处不在
- * @date 2012-11-20 下午05:14:05
- * @version V1.0
- */
- public class ParseDataUtil {
- public void readStringXml(String xml) {
- Document doc = null;
- try {
- // 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();
- }
- }
- /**
- * @description 将xml字符串转换成map
- * @param xml
- * @return Map
- */
- public static Map readStringXmlOut(String xml) {
- Map map = new HashMap();
- Document doc = null;
- try {
- // 将字符串转为XML
- doc = DocumentHelper.parseText(xml);
- // 获取根节点
- Element rootElt = doc.getRootElement();
- // 拿到根节点的名称
- System.out.println(“根节点：” + rootElt.getName());
- // 获取根节点下的子节点head
- Iterator iter = rootElt.elementIterator(“head”);
- // 遍历head节点
- while (iter.hasNext()) {
- Element recordEle = (Element) iter.next();
- // 拿到head节点下的子节点title值
- String title = recordEle.elementTextTrim(“title”);
- System.out.println(“title:” + title);
- map.put(“title”, title);
- // 获取子节点head下的子节点script
- Iterator iters = recordEle.elementIterator(“script”);
- // 遍历Header节点下的Response节点
- while (iters.hasNext()) {
- Element itemEle = (Element) iters.next();
- // 拿到head下的子节点script下的字节点username的值
- String username = itemEle.elementTextTrim(“username”);
- String password = itemEle.elementTextTrim(“password”);
- System.out.println(“username:” + username);
- System.out.println(“password:” + password);
- map.put(“username”, username);
- map.put(“password”, password);
- }
- }
- //获取根节点下的子节点body
- Iterator iterss = rootElt.elementIterator(“body”);
- // 遍历body节点
- while (iterss.hasNext()) {
- Element recordEless = (Element) iterss.next();
- // 拿到body节点下的子节点result值
- String result = recordEless.elementTextTrim(“result”);
- System.out.println(“result:” + result);
- // 获取子节点body下的子节点form
- Iterator itersElIterator = recordEless.elementIterator(“form”);
- // 遍历Header节点下的Response节点
- while (itersElIterator.hasNext()) {
- Element itemEle = (Element) itersElIterator.next();
- // 拿到body下的子节点form下的字节点banlce的值
- String banlce = itemEle.elementTextTrim(“banlce”);
- 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);
- }
- }
- }