ASP.NET(C#) Json序列化反序列化帮助类Jsonhelper

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.Script.Serialization;
using System.Data;

namespace Utils
{
    /// 

    /// JSON帮助类
    /// 
    public class JsonHelper
    {
        /// 

        /// 对象转JSON
        /// 
        /// 对象
        /// JSON格式的字符串
        public static string ObjectToJSON(object obj)
        {
            JavaScriptSerializer jss = new JavaScriptSerializer();
            try
            {
                return jss.Serialize(obj);
            }
            catch (Exception ex)
            {

                throw new Exception("JSONHelper.ObjectToJSON(): " + ex.Message);
            }
        }

        /// 

        /// 数据表转键值对集合
        /// 把DataTable转成 List集合, 存每一行

        /// 集合中放的是键值对字典,存每一列

        /// 
        /// 数据表
        /// 哈希表数组
        public static Liststring, object>> DataTableToList(DataTable dt)
        {
            Liststring, object>> list
                 = new Liststring, object>>();

            foreach (DataRow dr in dt.Rows)
            {
                Dictionarystring, object> dic = new Dictionarystring, object>();
                foreach (DataColumn dc in dt.Columns)
                {
                    dic.Add(dc.ColumnName, dr[dc.ColumnName]);
                }
                list.Add(dic);
            }
            return list;
        }

        /// 

        /// 数据集转键值对数组字典
        /// 
        /// 数据集
        /// 键值对数组字典
        public static Dictionarystring, Liststring, object>>> DataSetToDic(DataSet ds)
        {
            Dictionarystring, Liststring, object>>> result = new Dictionarystring, Liststring, object>>>();

            foreach (DataTable dt in ds.Tables)
                result.Add(dt.TableName, DataTableToList(dt));

            return result;
        }

        /// 

        /// 数据表转JSON
        /// 
        /// 数据表
        /// JSON字符串
        public static string DataTableToJSON(DataTable dt)
        {
            return ObjectToJSON(DataTableToList(dt));
        }

        /// 

        /// JSON文本转对象,泛型方法
        /// 
        /// 类型
        /// JSON文本
        /// 指定类型的对象
        public static T JSONToObject(string jsonText)
        {
            JavaScriptSerializer jss = new JavaScriptSerializer();
            try
            {
                return jss.Deserialize(jsonText);
            }
            catch (Exception ex)
            {
                throw new Exception("JSONHelper.JSONToObject(): " + ex.Message);
            }
        }

        /// 

        /// 将JSON文本转换为数据表数据
        /// 
        /// JSON文本
        /// 数据表字典
        public static Dictionarystring, Liststring, object>>> TablesDataFromJSON(string jsonText)
        {
            return JSONToObjectstring, Liststring, object>>>>(jsonText);
        }

        /// 

        /// 将JSON文本转换成数据行
        /// 
        /// JSON文本
        /// 数据行的字典
        public static Dictionarystring, object> DataRowFromJSON(string jsonText)
        {
            return JSONToObjectstring, object>>(jsonText);
        }
    }
}