kxs_push_server/Util/Extension/JsonDataExtension.cs

using System;
using System.Collections.Generic;
using LitJson;

namespace MySystem
{
    public static class JsonDataExtension
    {
        
        #region 获取是否存在Key, isFlag判断是抛出异常还是返回""
        public static object getItem(this JsonData input, string key) 
        {
            string jsonString = input.ToJson();
            if(jsonString.Contains("\"" + key + "\""))
            {
                return input[key];
            }
            return "";
        }
        #endregion
    }
}