JSON和GSON的使用

JSONObject 处理问题

相关博客参考：https://www.cnblogs.com/free-dom/p/5801866.html 

json-lib 和google gson 的使用

TorgCadre res=new TorgCadre();
res.setName(torgcadre.getName());//姓名
res.setMarriage(torgcadre.getMarriage());
res.setWeight(torgcadre.getWeight());
res.setSex(torgcadre.getSex());
res.setJkInfo(torgcadre.getJkInfo());
res.setBirthday(torgcadre.getBirthday());

//JSONObject 处理日期字段问题,把对象转换成json数据
JsonConfig config1 = new JsonConfig();
config1.registerJsonValueProcessor(Date.class, new JsonDateValueProcessor("yyyyMMdd"));
JSONObject  jsonObject= JSONObject.fromObject(res,config1);

//GSON把对象转换成json数据 
Gson gson = new GsonBuilder().setDateFormat("yyyyMMdd").create();
String str = gson.toJson(res); 
JSONArray jsonArray=JSONArray.fromObject(str);

//JSONArray把集合转换成json数据
List<DepositWork> list=new ArrayList<DepositWork>();
JsonConfig config1 = new JsonConfig();
config1.registerJsonValueProcessor(Date.class, new JsonDateValueProcessor("yyyyMMdd"));
JSONArray jsonArray=JSONArray.fromObject(list,config1);

　　

package com.diamond.web.utils;

import java.text.SimpleDateFormat;  
import java.util.Date;  
import java.util.Locale;  
  
import net.sf.json.JsonConfig;  
import net.sf.json.processors.JsonValueProcessor;  
  
/**
 * 对象转json日期处理类
 * ClassName: JsonDateValueProcessor 
 * @Description: TODO
 * @author HJJ
 * @date 2017-12-18
 */
public class JsonDateValueProcessor  implements JsonValueProcessor {  
    private String format ;  
      
    public JsonDateValueProcessor() {  
        super();  
    }  
      
    public JsonDateValueProcessor(String format) {  
        super();  
        this.format = format;  
    }  
  
    public Object processArrayValue(Object paramObject,  
            JsonConfig paramJsonConfig) {  
        return process(paramObject);  
    }  
  
    public Object processObjectValue(String paramString, Object paramObject,  
            JsonConfig paramJsonConfig) {  
        return process(paramObject);  
    }  
      
      
    private Object process(Object value){  
        if(value instanceof Date){    
            SimpleDateFormat sdf = new SimpleDateFormat(format,Locale.CHINA);    
            return sdf.format(value);  
        }    
        return value == null ? "" : value.toString();    
    }  
  
  
}