在使用JSONLib包的应用中，我们实际情况会考虑过滤其某些属性或格式其某些属性。那么如何实现，JSONlib包提供了一个JsonConfig类扩展结构，供开发人员按照实际情况的需要实现Bean2JSONObject的处理过程。
作者写了一个处理Date格式与过滤掉其中一个属性的案例，可以参考。
另外在探讨过程中，作者发现jsonlib不能处理内部类。
 



package com.china;

import java.util.Date;
 

 

public class Teacher implements java.io.Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	private  String name ="haibing.xiao";
	
	private int age=27  ;

	private Boolean sex =true ;
	
    private Date birthday =new Date();
    
    private Date workDate =new Date();
    public Date getWorkDate() {
		return workDate;
	}

	public void setWorkDate(Date workDate) {
		this.workDate = workDate;
	}

	 
	 

	 
 

	public Date getBirthday() {
		return birthday;
	}

	public void setBirthday(Date birthday) {
		this.birthday = birthday;
	}

	public static long getSerialversionuid() {
		return serialVersionUID;
	}

	public Boolean getSex() {
		return sex;
	}

	public void setSex(Boolean sex) {
		this.sex = sex;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

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

	 
}
package com.china;

 
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import net.sf.json.JSONArray;
import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonValueProcessor;
import net.sf.json.util.PropertyFilter;
/**
 * @author haibing.xiao
 * @since jdk1.6
 * <p>  className :SimpleJSONlib,Teacher</p>
 * */
public class SimpleJSONlib {
	
	 public static void main(String[] args) {
		
		 
		 JsonConfig  jsonConfig =new JsonConfig() ;
		 /**    format classType Date return 2013-01-17*/
		 jsonConfig.registerJsonValueProcessor(Date.class,new JsonValueProcessor() {
			
			@Override
			public Object processObjectValue(String key,Object value,JsonConfig arg2) {
				// TODO Auto-generated method stub
				return new SimpleDateFormat("yyyy-MM-dd").format(value);
			}
			
			@Override
			public Object processArrayValue(Object value,JsonConfig arg1) {
				// TODO Auto-generated method stub
				return value;
			}
		});
		 /** filter  filedName  workDate*/
		jsonConfig.setJavaPropertyFilter(new PropertyFilter() {
			
			@Override
			public boolean apply(Object source,String name,Object value) {
				// TODO Auto-generated method stub
				if("workDate".equals(name)){
					return true ;
				}
				return false;
			}
		});
		
	   List<Teacher> list =new ArrayList<Teacher>();
	   list.add(new Teacher());
	   list.add(new Teacher());
	   list.add(new Teacher());
	   
	   System.out.println(JSONArray.fromObject(list.toArray(),jsonConfig).toString());
	}
	  
	 

  
	 

	 
}