Dom4j原样读取XML

Demo:

package com.dom4j.red;
import java.io.File;
import java.util.Iterator;
import java.util.List;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.Node;
import org.dom4j.Text;
import org.dom4j.io.SAXReader;
/**
 * 完整的读取xml的内容
 * @author zhiyong
 *
 */
public class Demo3 {
  //定义变量存放
  public static StringBuilder sb = new StringBuilder();
  public static void main(String[] args) throws DocumentException {
    //创建xml解析器对象
    SAXReader reader = new SAXReader();
    //读取xml文档，返回Document对象
    Document document = reader.read(new File("./src/contact.xml"));
    //读取根标签下的所有子标签
    Element rootEle = document.getRootElement();
    String str = getChildNodes(rootEle);
    System.out.println(str);
  }   
  
  /**
   * 获取当前标签下的所有子标签
   * @param ele
   */
  public static String getChildNodes(Element ele){
    //开始标签
    sb.append("<" + ele.getName());
    
    //获取属性
    List<Attribute> attList = ele.attributes();
    for(Attribute att : attList){
      String attName = att.getName();
      String attValue = att.getValue();
      sb.append(" " + attName + "=\"" + attValue + "\"");
    }
    sb.append(">");
    
    //获取传入标签下的直接子节点
    Iterator<Node> it = ele.nodeIterator();
    while(it.hasNext()){
      Node node = it.next();
      //标签
      if(node instanceof Element){
        Element n = (Element)node;
        getChildNodes(n);
      }
      //文本
      if(node instanceof Text){
        Text t = (Text)node;
        sb.append(t.getText());
      }
    }
    
    //结束标签
    sb.append("</" + ele.getName() + ">");  
    
    return sb.toString();
  }

xml文件

<?xml version="1.0" encoding="utf-8"?>
<contactList>
    <contact id="001" att1="属性值1">
        <name>木丁西<nameNode>小刘</nameNode></name>
        <age>18</age>
        <phone>18071897425</phone>
        <email>[e-mail]</email>
        <qq>1012421396</qq>
    </contact>
    <木丁西>
        这是个什么鬼。
    </木丁西>
    <contact id="002">
        <name>刘先森</name>
        <age>20</age>
        <phone>18771897466</phone>
        <email>[e-mail]</email>
        <qq>561242139</qq>
    </contact>
    <abc>
    </abc>
</contactList>

​​

效果：