XML转JSON,java对象互转JSON

package com.xml.Test;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import net.sf.json.JSON;
import net.sf.json.JSONObject;
import net.sf.json.xml.XMLSerializer;

public class Test {

    public static void main(String[] args) throws IOException {
        
        //读取src下的xml文件
        File file=new File("src"+File.separator+"XJ.xml");
        
        //字符流输出
        BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
        String string=null;
        StringBuffer sb = new StringBuffer();
        while((string = reader.readLine())!=null){
            sb.append(string);
        }
        XMLSerializer xmlSerializer=new XMLSerializer();
        JSON json=xmlSerializer.read(sb.toString());
        
        //这一句的输出,也许你很快的就知道原理了,其实原理很简单的！
        System.out.println("重点处：\n"+json.toString(1)+"\n");
        
        //截取掉[],转化为JSONObject
        JSONObject jsonObject=JSONObject.fromObject((json.toString()).substring(1, json.toString().length()-1));    
        System.out.println("截取后：\n"+jsonObject.toString(1)+"\n");
        
        
        //实例化后封装
        Galaxy galaxy=new Galaxy();
        
        //例：jsonObject.get("PersonSay").toString()---->JsonObject转java对象
        galaxy.setExplain(jsonObject.get("PersonSay").toString());
        JSONObject j2=JSONObject.fromObject(jsonObject.get("Galactics"));
        galaxy.setContent(j2.get("Venus").toString()+"、"+j2.get("Mercury").toString()+"、"+j2.get("Earth").toString()+"、"
        +j2.get("Mars").toString()+"、"+j2.get("Jupiter").toString()+"、"+j2.get("Saturn").toString()+"、"
        +j2.get("Uranus").toString()+"、"+j2.get("Neptune").toString());
        
        System.out.println(galaxy.getExplain()+"----->"+galaxy.getContent());
        
        //把Galaxy实体类转JSONObject
        JSONObject jclose=JSONObject.fromObject(galaxy);
        System.out.println("JSONObject格式如下:\n"+jclose.toString(1));
    }

}

package com.xml.Test;

public class Galaxy {
    private String explain;
    private String content;
    public String getExplain() {
        return explain;
    }
    public void setExplain(String explain) {
        this.explain = explain;
    }
    public String getContent() {
        return content;
    }
    public void setContent(String content) {
        this.content = content;
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<Result>
    <Universe>
        <Galactics>
            <Venus>金星</Venus>
            <Mercury>水星</Mercury>
            <Earth>地球</Earth>
            <Mars>火星</Mars>
            <Jupiter>木星</Jupiter>
             <Saturn>土星</Saturn>
             <Uranus>天王星</Uranus>
             <Neptune>海王星</Neptune>
        </Galactics>
        <PersonSay>由太阳起往外的顺序是的八大行星是</PersonSay>
    </Universe>
</Result>