java 读取文件，内容方置Person 并写到另外地址

a.txt 文本内容如下：

name=user
age=34
image=aa.PNG
url=E:\

package cn.com.test05;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

class Person{
    String  name;
    int  age;
    String image;
    byte[] imageB;
    String url;
    
    
    public String getName() {
        return name;
    }


    public void setName(String name) {
        System.out.println(Thread.currentThread().getName());
        this.name = name;
    }


    public int getAge() {
        return age;
    }


    public void setAge(int age) {
        this.age = age;
    }


    public String getImage() {
        return image;
    }


    public void setImage(String image) {
        this.image = image;
    }


    public byte[] getImageB() {
        return imageB;
    }


    public void setImageB(byte[] imageB) {
        this.imageB = imageB;
    }


    public String getUrl() {
        return url;
    }


    public void setUrl(String url) {
        this.url = url;
    }


    public String toString(){
        return "我叫"+name+"=="+age+"===="+image;
    }
}
public class t03 {
    public static void main(String[] args) throws Exception {
        Person p= new Person();
        t03.get(p);
        System.out.println(p);
        out(p);
    }
    public static void out(Person p) throws Exception{
        File f = new File(p.url+"a.txt");
        OutputStream out= new FileOutputStream(f);
        out.write(p.toString().getBytes());
        outImage(p.getUrl(),p.getImage(),p.getImageB());
        out.close();
    }
    public static  void outImage(String url,String image,byte[] b) throws Exception{
        File f = new File(url+image);
        OutputStream out= new FileOutputStream(f);
        out.write(b);
        out.close();
    }
    public static void get(Person p) throws Exception{
        File f = new File("F:\a.txt");
        InputStream in= new FileInputStream(f);
        byte[] b=new byte[(int) f.length()];
        in.read(b);
        String str = new String(b);
        System.out.println(str);
        String[] s = str.split("
");
        p.setName(getValue(s[0]));
        p.setAge(Integer.parseInt(getValue(s[1])));
        p.setImage(getValue(s[2]));
        p.setUrl(getValue(s[3]));
        p.setImageB(getImageB(getValue(s[2])));
        in.close();
    }
    public static byte[] getImageB(String str) throws Exception{
        File f = new File("F:\"+str);
        InputStream in= new FileInputStream(f);
        byte[] b=new byte[(int) f.length()];
        in.read(b);
        in.close();
        return b;
    }
    public static String getValue(String str){
        return str.split("=")[1];
    }
}