java解析xml字符串（用dom4j）

zhangyusng

2016-07-05

1、xml文档或节点转换为字符串
//xml文档或节点转换为字符串  
    @Test  
    public void test5()throws Exception{  
        //创建SAXReader对象  
        SAXReader reader = new SAXReader();  
        //读取文件 转换成Document  
        Document document = reader.read(new File("src/cn/com/yy/dom4j/s.xml"));  
        //document转换为String字符串  
        String documentStr = document.asXML();  
        System.out.println("document 字符串：" + documentStr);  
        //获取根节点  
        Element root = document.getRootElement();  
        //根节点转换为String字符串  
        String rootStr = root.asXML();  
        System.out.println("root 字符串：" + rootStr);  
        //获取其中student1节点  
        Element student1Node = root.element("student1");  
        //student1节点转换为String字符串  
        String student1Str = student1Node.asXML();  
        System.out.println("student1 字符串：" + student1Str); 
package com.smsServer.Dhst;
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;
import com.common.object.SmsSendResponseObject;
/**
 * @description 解析xml字符串
 */
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 parse(String xml)
    {
        Document doc = null;
        try {
            doc = DocumentHelper.parseText(xml); // 将字符串转为XML
            Element rootElt = doc.getRootElement(); // 获取根节点smsReport
            Iterator iters = rootElt.elementIterator("sendResp"); // 获取根节点下的子节点sms
            while (iters.hasNext()) {
                Element recordEle1 = (Element) iters.next();
                Iterator iter = recordEle1.elementIterator("sms");
                int i=0;
                // 遍历sms节点
                while (iter.hasNext()) {
                    Element recordEle = (Element) iter.next();
                    SmsSendResponseObject r = new SmsSendResponseObject();
                    String phone = recordEle.elementTextTrim("phone"); // 拿到sms节点下的子节点stat值
                    String smsID = recordEle.elementTextTrim("smsID"); // 拿到sms节点下的子节点stat值
                    System.out.println(phone+"==="+smsID);
                }
            }
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static void main(String[] args) {
        // 下面是需要解析的xml字符串例子
        String xmlString = "" + "" + ""
                + "" + ""
                + "" + "0" + ""
                + "1000" + "36242519880716"
                + "" + " " + "";
        /*
         * 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);
        }
        String xml="137000000ff8080813349da9001334f0eed8c5923187000000ff8080813349da9001334f0eee045924";
        parse(xml);
    }
}

运行之后的结果会是：

根节点：html
title:dom4j解析一个例子
username:yangrong
password:123456
result:0
banlce:1000
subID:36242519880716
result=0
username=yangrong
title=dom4j解析一个例子
subID=36242519880716
banlce=1000
password=123456
137000000===ff8080813349da9001334f0eed8c5923
187000000===ff8080813349da9001334f0eee045924

line-height dom4j border padding margin