dom4j 解析 xml文件

book.xml

<?xml version="1.0" encoding="UTF-8"?>
<书籍列表>
<武侠小说 isbn = "1234" hot="true" big = "very">
 <书名>&lt;&lt;天龙八部&gt;&gt;</书名>
 <作者>金庸</作者>
 <mobile>12345678</mobile>
 <价格>50</价格>
 <册数>6</册数>
 <简介>一本好书</简介>
</武侠小说>
<武侠小说>
 <书名>&lt;&lt;笑傲江湖&gt;&gt;</书名>
 <作者>金庸</作者>
 <mobile>12345678</mobile>
 <价格>60</价格>
 <册数>4</册数>
 <简介>一本好书</简介>
</武侠小说>
<爱情小说>
 <书名>&lt;&lt;倾城绝恋&gt;&gt;</书名>
 <作者>张爱玲</作者>
 <mobile>12345678</mobile>
 <价格>60</价格>
 <册数>4</册数>
 <简介>一本好书</简介>
</爱情小说>
<爱情小说>
 <书名>&lt;&lt;京华烟云&gt;&gt;</书名>
 <作者>张爱玲</作者>
 <mobile>12345678</mobile>
 <价格>60</价格>
 <册数>4</册数>
 <简介>一本好书</简介>
</爱情小说>
</书籍列表>

 

readXmlDemo:

package day0712;

import java.io.File;
import java.util.Iterator;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import com.sun.faces.renderkit.Attribute;

public class ReadXmlDemo {
 public static void main(String[] args) {
  readBook("src/book.xml");
 }
 

 public static void readBook(String filename) {
  SAXReader reader = new SAXReader();
  File file = new File(filename);
  try {
   Document doc = reader.read(file);
   Element rootElmt = doc.getRootElement();
   List list = (List) rootElmt.elements("武侠小说");
   parseNovel(list);
  } catch (DocumentException e) {
   e.printStackTrace();
  }
 }

 public static void parseNovel(List list) {
  Iterator it = list.iterator();
  while(it.hasNext()){
   Element novelElmt = (Element) it.next();
   System.out.println("书名:" + novelElmt.elementText("书名"));
   System.out.println("作者:" + novelElmt.elementText("作者"));
   System.out.println("价格:" + novelElmt.elementText("价格"));
   System.out.println("册数:" + novelElmt.elementText("册数"));
   System.out.println("简介:" + novelElmt.elementText("简介"));
   System.out.println("########################");
   
   List attrList = novelElmt.attributes();
   Iterator attrIt = attrList.iterator();
   while(attrIt.hasNext()){
    org.dom4j.Attribute attr = (org.dom4j.Attribute) attrIt.next();
    System.out.println(attr.getName() + "=" + attr.getValue());
   }
  }
 }
}
 
 

解析结果：

书名:<<天龙八部>>
作者:金庸
价格:50
册数:6
简介:一本好书
########################
isbn=1234
hot=true
big=very
书名:<<笑傲江湖>>
作者:金庸
价格:60
册数:4
简介:一本好书
########################

readxmldemo01:

package day0712;

import java.util.Iterator;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

public class ReadXmlDemo01 {
 public static void main(String[] args) throws DocumentException {
  readXML();
 }
 public static void readXML() throws DocumentException {
  SAXReader sr = new SAXReader();
  Document doc = sr.read("src/book.xml"); 
  Element el_root = doc.getRootElement();
  Iterator it = el_root.elementIterator();
  while(it.hasNext()){
   Object o = it.next();
   Element el_row = (Element)o;
   String s= el_row.getText();
   Iterator it_row = el_row.elementIterator();
   while(it_row.hasNext()){
    Element el_ename = (Element) it_row.next();
    System.out.println(el_ename.getText());
   }
  }
 }

 
}

解析结果：

<<天龙八部>>
金庸
12345678
50
6
一本好书
<<笑傲江湖>>
金庸
12345678
60
4
一本好书
<<倾城绝恋>>
张爱玲
12345678
60
4
一本好书
<<京华烟云>>
张爱玲
12345678
60
4
一本好书

 

test01.xml

<?xml version="1.0" encoding="UTF-8" ?><!-- XML声明 -->
 <package name="struts2" extends="jfreechart-default">
   <action name="addVote" class="com.sanqing.action.AddVoteAction">
    <result name="success">addVote.jsp</result>
   </action>
   <action name="showVote" class="com.sanqing.action.ShowVoteAction">
    <result name="success">showVote.jsp</result>
   </action>
   <action name="deleteVote" class="com.sanqing.action.DeleteVoteAction">
    <result name="success" type="chain">showVote</result>
   </action>
   <action name="showVoteByChannel" class="com.sanqing.action.ShowVoteByChannelAction">
    <result name="success">index.jsp</result>
    <result name="input">index.jsp</result>
   </action>
   <action name="voteResult" class="com.sanqing.action.VoteResultAction">
    <result name="success" type="chart">
     <param name="width">400</param>
     <param name="height">300</param>
    </result>
   </action>
   <action name="doVote" class="com.sanqing.action.DoVoteAction">
    <result name="success" type="chain">voteResult</result>
    <result name="input" type="chain">showVoteByChannel</result>
   </action>
  </package> 

readxmldemo01:

package day0712;

import java.util.Iterator;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

public class ReadXmlDemo01 {
 public static void main(String[] args) throws DocumentException {
  readXML();
 }
 public static void readXML() throws DocumentException {
  SAXReader sr = new SAXReader();
  Document doc = sr.read("src/test01.xml"); 
  Element el_root = doc.getRootElement();
  Iterator it = el_root.elementIterator();
  while(it.hasNext()){
   Object o = it.next();
   Element el_row = (Element)o;
   String s= el_row.getText();
   Iterator it_row = el_row.elementIterator();
   while(it_row.hasNext()){
    Element el_ename = (Element) it_row.next();
    System.out.println(el_ename.getText());
   }
  }
 }

 
}

解析结果：

addVote.jsp
showVote.jsp
showVote
index.jsp
index.jsp

     
     
    
voteResult
showVoteByChannel

readxmldemo：

package day0712;

import java.io.File;
import java.util.Iterator;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import com.sun.faces.renderkit.Attribute;

public class ReadXmlDemo {
 public static void main(String[] args) {
  readBook("src/test01.xml");
 }
 

 public static void readBook(String filename) {
  SAXReader reader = new SAXReader();
  File file = new File(filename);
  try {
   Document doc = reader.read(file);
   Element rootElmt = doc.getRootElement();
   List list = (List) rootElmt.elements("action");
   parseNovel(list);
  } catch (DocumentException e) {
   e.printStackTrace();
  }
 }

 public static void parseNovel(List list) {
  Iterator it = list.iterator();
  while(it.hasNext()){
   Element novelElmt = (Element) it.next();
   System.out.println("书名:" + novelElmt.elementText("书名"));
   System.out.println("作者:" + novelElmt.elementText("作者"));
   System.out.println("价格:" + novelElmt.elementText("价格"));
   System.out.println("册数:" + novelElmt.elementText("册数"));
   System.out.println("简介:" + novelElmt.elementText("简介"));
   System.out.println("########################");
   
   List attrList = novelElmt.attributes();
   Iterator attrIt = attrList.iterator();
   while(attrIt.hasNext()){
    org.dom4j.Attribute attr = (org.dom4j.Attribute) attrIt.next();
    System.out.println(attr.getName() + "=" + attr.getValue());
   }
  }
 }
}
 
 

 

解析结果：

书名:null
作者:null
价格:null
册数:null
简介:null
########################
name=addVote
class=com.sanqing.action.AddVoteAction
书名:null
作者:null
价格:null
册数:null
简介:null
########################
name=showVote
class=com.sanqing.action.ShowVoteAction
书名:null
作者:null
价格:null
册数:null
简介:null
########################
name=deleteVote
class=com.sanqing.action.DeleteVoteAction
书名:null
作者:null
价格:null
册数:null
简介:null
########################
name=showVoteByChannel
class=com.sanqing.action.ShowVoteByChannelAction
书名:null
作者:null
价格:null
册数:null
简介:null
########################
name=voteResult
class=com.sanqing.action.VoteResultAction
书名:null
作者:null
价格:null
册数:null
简介:null
########################
name=doVote
class=com.sanqing.action.DoVoteAction