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        /// <summary> 
        /// JSON反序列化  
        ///     這個可以將對象反系列化成集合任何asp.net，C#對象
        /// </summary> 
       
           public static T JsonDeserialize<T>(string jsonString)  
          {       DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T)); 
                   MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));     
                 T obj = (T)ser.ReadObject(ms);
               
             return obj;  
             
         }   

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Script.Serialization;

namespace Woo.Utility
{
    /// <summary>
    /// 用于標(biāo)識可以Json
    /// </summary>
    public interface IJson
    {
    }

    /// <summary>
    /// Json擴展方法
    /// </summary>
    public static class JsonExtensions
    {
        /// <summary>
        /// 返回JSON字符串
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string ToJSON(this IJson obj)
        {
            var ser = new JavaScriptSerializer();
            return ser.Serialize(obj);
        }
        /// <summary>
        /// 返回JSON字符串
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string ToJSON(this IEnumerable<IJson> obj)
        {
            var ser = new JavaScriptSerializer();
            return ser.Serialize(obj);
        }
        /// <summary>
        /// 返回JSON字符串
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string ToJSON(dynamic obj)
        {
            var ser = new JavaScriptSerializer();
            return ser.Serialize(obj);
        }
        /// <summary>
        /// 返回JSON字符串
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string ToJSON(this IEnumerable<Woo.Model.IEntity> obj)
        {
            var lst = obj.Select(a => a.ToJsonObject());

            var ser = new JavaScriptSerializer();
            return ser.Serialize(lst);
        }
        /// <summary>
        /// 返回JSON字符串
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string ToJSON(this Woo.Model.IEntity obj)
        {
            var ser = new JavaScriptSerializer();
            return ser.Serialize(obj.ToJsonObject());
        }

        /// <summary>
        /// 返回JSON字符串
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string ToJSON(this Dictionary<string, object> obj)
        {
            var ser = new JavaScriptSerializer();
          
            return ser.Serialize(obj);
        }
        /// <summary>
        /// 返回JSON字符串
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string ToJSON(this IEnumerable<Dictionary<string, object>> obj)
        {
            var ser = new JavaScriptSerializer();
            return ser.Serialize(obj);
        }

        /// <summary>
        /// 得到指定的值
        /// </summary>
        /// <param name="dic"></param>
        /// <param name="key">關(guān)鍵字</param>
        /// <param name="DefaultValue">默認(rèn)值</param>
        /// <returns></returns>
        public static string GetValue(this Dictionary<string, object> dic, string key, string DefaultValue = null)
        {
            object val;
            if (dic.TryGetValue(key, out val))
            {
                if (val == null)
                    return "";

                return val.ToString();
            }
            if (DefaultValue != null)
                return DefaultValue;

            return "";
        }
    }
}