fastjson格式化bean的简易属性过滤器

package com.base.config;

import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.serializer.SimplePropertyPreFilter;

public class Student {
     private int id;
     private String name;
     private String addr;
    
     public Student(int id, String name, String addr) {
          super();
          this.id = id;
          this.name = name;
          this.addr = addr;
     }
     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 getAddr() {
          return addr;
     }
     public void setAddr(String addr) {
          this.addr = addr;
     }
    
     public static void main(String[] args) {
          Student s = new Student(1, "test", "银川市");
          SimplePropertyPreFilter filter = new SimplePropertyPreFilter(Student.class, "id","name");//只输出需要的属性
          SimplePropertyPreFilter filter2 = new SimplePropertyPreFilter(Student.class, "id","addr");//只输出需要的属性
          System.out.println("filter \n"+JSONObject.toJSONString(s,filter));
          System.out.println("------------------------------------");
          System.out.println("filter2 \n"+JSONObject.toJSONString(s,filter2));
     }
}

filter 
{"id":1,"name":"test"}
------------------------------------
filter2 
{"addr":"银川市","id":1}