dom4j解析xml

//先加入dom4j.jar包 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;/** * @description 解析xml字符串 * @author 无处不在 * @Time 上午11:01:31 */public class Test {    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 {            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);        }    }}