通过反射读取xml内节点的值

package com.lpy.test;

public class Users {
	private int id;
	private String name;
	private String pwd;
	private int rolesId;
	private Roles roles;
	
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getPwd() {
		return pwd;
	}
	public void setPwd(String pwd) {
		this.pwd = pwd;
	}
	public int getRolesId() {
		return rolesId;
	}
	public void setRolesId(int rolesId) {
		this.rolesId = rolesId;
	}
	public Roles getRoles() {
		return roles;
	}
	public void setRoles(Roles roles) {
		this.roles = roles;
	}
	@Override
	public String toString() {
		return "Users [id=" + id + ", name=" + name + ", pwd=" + pwd
				+ ", rolesId=" + rolesId + ", roles=" + roles + "]";
	}
	public Users() {
		super();
		// TODO Auto-generated constructor stub
	}
	public Users(int id, String name, String pwd, int rolesId, Roles roles) {
		super();
		this.id = id;
		this.name = name;
		this.pwd = pwd;
		this.rolesId = rolesId;
		this.roles = roles;
	}
}

package com.lpy.test;

public class Roles {
	private int id;
	private String name;
	
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	
	public Roles(int id, String name) {
		super();
		this.id = id;
		this.name = name;
	}
	
	public Roles() {
		super();
		// TODO Auto-generated constructor stub
	}
	
	@Override
	public String toString() {
		return "Roles [id=" + id + ", name=" + name + "]";
	}	
}

package com.lpy.test;

import java.io.File;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;

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


public class Test {

	public static void main(String[] args) throws Exception {
		SAXReader reader = new SAXReader();
		Document document = reader.read(new File("src/Users.xml"));
		Element root = document.getRootElement();
		
		List
 
   list = new ArrayList
  
   (); getElementsByXml(root,Users.class,list); for (Users users : list) { System.out.println(users); } } public static void getElementsByXml(Element root, Class c,List list) throws Exception { List
   
     elements = root.elements(); Object object = c.newInstance(); for (Element element : elements) { if(c.getSimpleName().equals(element.getName())){ object = setInfo(element,c); list.add(object); } } } public static Object setInfo(Element root, Class c) throws Exception{ Object object = c.newInstance(); List
    
      elements = root.elements(); for (Method me : c.getMethods()) { for (Element son : elements) { if(me.getName().equalsIgnoreCase("set"+son.getName())){ Class paramc = me.getParameterTypes()[0]; Object value = null; if(!hasNextNode(son)){ String elementText = son.getText(); switch (paramc.getSimpleName()) { case "int": case "Integer": value = Integer.parseInt(elementText); break; case "float": case "Float": value=Float.parseFloat(elementText); break; case "double": case "Double": value=Double.parseDouble(elementText); break; case "long": case "Long": value=Long.parseLong(elementText); break; case "boolean": case "Boolean": value=Boolean.parseBoolean(elementText); break; case "short": case "Short": value=Short.parseShort(elementText); break; case "byte": case "Byte": value=Byte.parseByte(elementText); break; default: value=elementText; } }else{ value = setInfo(son,paramc); } me.invoke(object,value); } } } return object; } public static boolean hasNextNode(Element root){ List
     
       elements = root.elements(); if(elements.size()!=0){ return true; } return false; } }
     
    
   
  
 

 

 
	
   
   
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