demo4j解析xml

  1//先加入dom4j.jar包   2import java.util.HashMap;
  3import java.util.Iterator;
  4import java.util.Map;
  5  6import org.dom4j.Document;
  7import org.dom4j.DocumentException;
  8import org.dom4j.DocumentHelper;
  9import org.dom4j.Element;
 10 11/** 12* @Title: TestDom4j.java
 13* @Package
 14* @Description: 解析xml字符串
 15* @author 无处不在
 16* @date 2012-11-20 下午05:14:05
 17* @version V1.0
 18*/ 19publicclass TestDom4j {
 20 21publicvoid readStringXml(String xml) {
 22         Document doc = null;
 23try {
 24 25// 读取并解析XML文档
 26// SAXReader就是一个管道，用一个流的方式，把xml文件读出来
 27// 28// SAXReader reader = new SAXReader(); //User.hbm.xml表示你要解析的xml文档
 29// Document document = reader.read(new File("User.hbm.xml"));
 30// 下面的是通过解析xml字符串的 31             doc = DocumentHelper.parseText(xml); // 将字符串转为XML 32 33             Element rootElt = doc.getRootElement(); // 获取根节点 34             System.out.println("根节点：" + rootElt.getName()); // 拿到根节点的名称 35 36             Iterator iter = rootElt.elementIterator("head"); // 获取根节点下的子节点head
 37 38// 遍历head节点 39while (iter.hasNext()) {
 40 41                 Element recordEle = (Element) iter.next();
 42                 String title = recordEle.elementTextTrim("title"); // 拿到head节点下的子节点title值 43                 System.out.println("title:" + title);
 44 45                 Iterator iters = recordEle.elementIterator("script"); // 获取子节点head下的子节点script
 46 47// 遍历Header节点下的Response节点 48while (iters.hasNext()) {
 49 50                     Element itemEle = (Element) iters.next();
 51 52                     String username = itemEle.elementTextTrim("username"); // 拿到head下的子节点script下的字节点username的值 53                     String password = itemEle.elementTextTrim("password");
 54 55                     System.out.println("username:" + username);
 56                     System.out.println("password:" + password);
 57                }
 58            }
 59             Iterator iterss = rootElt.elementIterator("body"); ///获取根节点下的子节点body
 60// 遍历body节点 61while (iterss.hasNext()) {
 62 63                 Element recordEless = (Element) iterss.next();
 64                 String result = recordEless.elementTextTrim("result"); // 拿到body节点下的子节点result值 65                 System.out.println("result:" + result);
 66 67                 Iterator itersElIterator = recordEless.elementIterator("form"); // 获取子节点body下的子节点form
 68// 遍历Header节点下的Response节点 69while (itersElIterator.hasNext()) {
 70 71                     Element itemEle = (Element) itersElIterator.next();
 72 73                     String banlce = itemEle.elementTextTrim("banlce"); // 拿到body下的子节点form下的字节点banlce的值 74                     String subID = itemEle.elementTextTrim("subID");
 75 76                     System.out.println("banlce:" + banlce);
 77                     System.out.println("subID:" + subID);
 78                }
 79            }
 80         } catch (DocumentException e) {
 81            e.printStackTrace();
 82 83         } catch (Exception e) {
 84            e.printStackTrace();
 85 86        }
 87    }

/** 90     * @description 将xml字符串转换成map
 91     * @param xml
 92     * @return Map
 93*/ 94publicstatic Map readStringXmlOut(String xml) {
 95         Map map = new HashMap();
 96         Document doc = null;
 97try {
 98// 将字符串转为XML 99             doc = DocumentHelper.parseText(xml);
100// 获取根节点101             Element rootElt = doc.getRootElement();
102// 拿到根节点的名称103             System.out.println("根节点：" + rootElt.getName());
104105// 获取根节点下的子节点head106             Iterator iter = rootElt.elementIterator("head");
107// 遍历head节点108while (iter.hasNext()) {
109110                 Element recordEle = (Element) iter.next();
111// 拿到head节点下的子节点title值112                 String title = recordEle.elementTextTrim("title");
113                 System.out.println("title:" + title);
114                 map.put("title", title);
115// 获取子节点head下的子节点script116                 Iterator iters = recordEle.elementIterator("script");
117// 遍历Header节点下的Response节点118while (iters.hasNext()) {
119                     Element itemEle = (Element) iters.next();
120// 拿到head下的子节点script下的字节点username的值121                     String username = itemEle.elementTextTrim("username");
122                     String password = itemEle.elementTextTrim("password");
123124                     System.out.println("username:" + username);
125                     System.out.println("password:" + password);
126                     map.put("username", username);
127                     map.put("password", password);
128                }
129            }
130131//获取根节点下的子节点body132             Iterator iterss = rootElt.elementIterator("body");
133// 遍历body节点134while (iterss.hasNext()) {
135                 Element recordEless = (Element) iterss.next();
136// 拿到body节点下的子节点result值137                 String result = recordEless.elementTextTrim("result");
138                 System.out.println("result:" + result);
139// 获取子节点body下的子节点form140                 Iterator itersElIterator = recordEless.elementIterator("form");
141// 遍历Header节点下的Response节点142while (itersElIterator.hasNext()) {
143                     Element itemEle = (Element) itersElIterator.next();
144// 拿到body下的子节点form下的字节点banlce的值145                     String banlce = itemEle.elementTextTrim("banlce");
146                     String subID = itemEle.elementTextTrim("subID");
147148                     System.out.println("banlce:" + banlce);
149                     System.out.println("subID:" + subID);
150                     map.put("result", result);
151                     map.put("banlce", banlce);
152                     map.put("subID", subID);
153                }
154            }
155         } catch (DocumentException e) {
156            e.printStackTrace();
157         } catch (Exception e) {
158            e.printStackTrace();
159        }
160return map;
161    }
162

publicstaticvoid main(String[] args) {
164165// 下面是需要解析的xml字符串例子166         String xmlString = "<html>" + "<head>" + "<title>dom4j解析一个例子</title>"
167                 + "<script>" + "<username>yangrong</username>"
168                 + "<password>123456</password>" + "</script>" + "</head>"
169                 + "<body>" + "<result>0</result>" + "<form>"
170                 + "<banlce>1000</banlce>" + "<subID>36242519880716</subID>"
171                 + "</form>" + "</body>" + "</html>";
172173/*174         * Test2 test = new Test2(); test.readStringXml(xmlString);
175*/176         Map map = readStringXmlOut(xmlString);
177         Iterator iters = map.keySet().iterator();
178while (iters.hasNext()) {
179             String key = iters.next().toString(); // 拿到键180             String val = map.get(key).toString(); // 拿到值181             System.out.println(key + "=" + val);
182        }
183    }
184185 }