package com.iot.chinamobile.alock.service.utility; import java.text.ParseException; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.Map.Entry; import java.util.Set; import com.alibaba.fastjson.JSONArray; import com.alibaba.fastjson.JSONObject; import com.google.gson.Gson; public class JSONObjectUtil {
     public static JSONArray jsonArraySort(JSONArray src, String key,String key2) throws ParseException{
        JSONObject jsonObjectI=null;       JSONObject jsonObjectJ=null;       Date dateI=null;       Date dateJ=null;       if(ValidUtil.valid(src)){
           for (Integer i=0;i
    
       getAllValueListByKey(JSONArray list,String key){
        if(!ValidUtil.valid(list) || !ValidUtil.valid(key)){
           return null;       }       ArrayList
     
       result = new ArrayList
      
       ();       for(Integer index=0;index
       
        array1.size()){
                    JSONObject object=array2.getJSONObject(index);                   array1.add(object);                }else{
                    break;                }             }             return array1;          }       }       return null;    }    /**     * 改变JSONArray中指定值的JSONObject     * @return     */    public static JSONArray changeSpecifyKeysJsonObjectFromArray(JSONArray list,String key,Integer value,String key1,Object object) {
        if(ValidUtil.valid(list)){
           for(Integer index=0; index
        
          list=new ArrayList
         
          (); list.add(object.getInteger(key1)); object.put(key2,list); return object; } /** * 将JSON数组转换为指定class的list * @param JSONArray * @param Class
          
            * @return */ public static 
           
             ArrayList
            
              jsonArrayToList(JSONArray source, Class
             
               clazz){ if (!ValidUtil.valid(source) || !ValidUtil.valid(clazz)) { return null; } ArrayList
              
                result = new ArrayList
               
                (); for(Integer index=0;index
                
                  T jsonToBean(JSONObject json, Class
                 
                   clazz) { if(!ValidUtil.valid(json) || !ValidUtil.valid(clazz)){ return null; } String str=json.toJSONString(); return new Gson().fromJson(str, clazz); } /** * 判断JSONObject所有key都为null * @param src * @return */ public final static boolean isNullValue(JSONObject src) { Set
                  
                   
                    > entries = src.entrySet(); for (Entry
                    
                      entry:entries) { if (ValidUtil.valid(entry.getValue())) { return false; } } return true; } public static void main(String[] args) { /* SysUser sysUser = new SysUser(); sysUser.setId(2222); sysUser.setUser_name("hahaha"); System.out.println(entityToJSON(sysUser)); SysUser sysUser1 = new SysUser(); sysUser1.setId(3333); sysUser1.setUser_name("hehehehe"); List
                     
                       userList = new ArrayList
                      
                       (); userList.add(sysUser); userList.add(sysUser1); System.out.println(ListToJSONArray(userList));*/ } }