XML文件
1 <html> 2 <head> 3 <title>dom4j解析一個例子</title> 4 <script> 5 <username>yangrong</username> 6 <passWord>123456</password> 7 </script> 8 </head> 9 <body>10 <result>0</result>11 <form>12 <banlce>1000</banlce>13 <subID>36242519880716</subID>14 </form>15 </body>16 </html>hmb.xml
解析代碼：
1 package xml; 2 3 import java.io.File; 4 import java.util.HashMap; 5 import java.util.Iterator; 6 import java.util.Map; 7 8 import org.dom4j.Document; 9 import org.dom4j.DocumentException; 10 import org.dom4j.DocumentHelper; 11 import org.dom4j.Element; 12 import org.dom4j.io.SAXReader; 13 14 public class TestDom4j { 15 public void readStringXml(String xml) { 16 Document doc = null; 17 try { 18 // 讀取并解析XML文檔，SAXReader就是一個管道，用一個流的方式，把xml文件讀出來 19 SAXReader reader = new SAXReader(); 20 doc = reader.read(new File(xml)); 21 22 Element rootElt = doc.getRootElement(); // 獲取根節點 23 System.out.rss = rootElt.elementIterator("body"); // 獲取根節點下的子節點body 47 // 遍歷body節點 48 while (iterss.hasNext()) { 49 Element recordEless = (Element) iterss.next(); 50 String result = recordEless.elementTextTrim("result"); // 拿到body節點下的子節點result值 51 System.out.println("result:" + result); 52 53 Iterator<Element> itersElIterator = recordEless.elementIterator("form"); // 獲取子節點body下的子節點form 54 // 遍歷form節點 55 while (itersElIterator.hasNext()) { 56 Element itemEle = (Element) itersElIterator.next(); 57 58 String banlce = itemEle.elementTextTrim("banlce"); // 拿到body下的子節點form下的子節點banlce的值 59 String subID = itemEle.elementTextTrim("subID"); 60 61 System.out.println("banlce:" + banlce); 62 System.out.println("subID:" + subID); 63 } 64 } 65 } catch (DocumentException e) { 66 e.printStackTrace(); 67 } catch (Exception e) { 68 e.printStackTrace(); 69 } 70 } 71 72 /** 73 * @description 將xml字符串轉換成map 74 * @param xml 75 * @return Map 76 */ 77 public static Map<String,String> readStringXmlOut(String xml) { 78 Map<String,String> map = new HashMap<String,String>(); 79 Document doc = null; 80 try { 81 // 將字符串轉為XML 82 doc = DocumentHelper.parseText(xml); 83 // 獲取根節點 84 Element rootElt = doc.getRootElement(); 85 // 拿到根節點的名稱 86 System.out.println("根節點=" + rootElt.getName()); 87 88 // 獲取根節點下的子節點head 89 Iterator<Element> iter = rootElt.elementIterator("head"); 90 // 遍歷head節點 91 while (iter.hasNext()) { 92 93 Element recordEle = (Element) iter.next(); 94 // 拿到head節點下的子節點title值 95 String title = recordEle.elementTextTrim("title"); 96 map.put("title", title); 97 // 獲取子節點head下的子節點script 98 Iterator<Element> iters = recordEle.elementIterator("script"); 99 // 遍歷Header節點下的Response節點100 while (iters.hasNext()) {101 Element itemEle = (Element) iters.next();102 // 拿到head下的子節點script下的字節點username的值103 String username = itemEle.elementTextTrim("username"); 104 String password = itemEle.elementTextTrim("password");105 106 map.put("username", username);107 map.put("password", password);108 }109 }110 111 //獲取根節點下的子節點body112 Iterator<Element> iterss = rootElt.elementIterator("body"); 113 // 遍歷body節點114 while (iterss.hasNext()) {115 Element recordEless = (Element) iterss.next();116 // 拿到body節點下的子節點result值117 String result = recordEless.elementTextTrim("result"); 118 // 獲取子節點body下的子節點form119 Iterator<Element> itersElIterator = recordEless.elementIterator("form"); 120 // 遍歷Header節點下的Response節點121 while (itersElIterator.hasNext()) {122 Element itemEle = (Element) itersElIterator.next();123 // 拿到body下的子節點form下的字節點banlce的值124 String banlce = itemEle.elementTextTrim("banlce"); 125 String subID = itemEle.elementTextTrim("subID");126 127 map.put("result", result);128 map.put("banlce", banlce);129 map.put("subID", subID);130 }131 }132 } catch (DocumentException e) {133 e.printStackTrace();134 } catch (Exception e) {135 e.printStackTrace();136 }137 return map;138 }139 140 public static void main(String[] args) {141 142 // 下面是需要解析的xml字符串例子143 String xmlString = "<html>" + "<head>" + "<title>dom4j解析一個例子</title>"144 + "<script>" + "<username>yangrong</username>"145 + "<password>123456</password>" + "</script>" + "</head>"146 + "<body>" + "<result>0</result>" + "<form>"147 + "<banlce>1000</banlce>" + "<subID>36242519880716</subID>"148 + "</form>" + "</body>" + "</html>";149 150 System.out.println("E://xml//hbm.xml中的值：");151 TestDom4j test = new TestDom4j(); 152 test.readStringXml("E://xml//hbm.xml");153 154 System.out.println();155 156 System.out.println("XML字符串xmlString中的值：");157 Map<String,String> map = readStringXmlOut(xmlString);158 Iterator<String> iters = (Iterator)map.keySet().iterator();159 while (iters.hasNext()) {160 String key = iters.next(); // 拿到鍵161 String val = map.get(key).toString(); // 拿到值162 163 System.out.println(key + "=" + val);164 }165 }166 167 }
兩種方式的輸出結果是一樣的：
E://xml//hbm.xml中的值：根節點：htmltitle:dom4j解析一個例子username:yangrongpassword:123456result:0banlce:1000subID:36242519880716XML字符串xmlString中的值：根節點=htmlresult=0username=yangrongtitle=dom4j解析一個例子subID=36242519880716banlce=1000password=123456
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