JSonHelper.cs 用于ExtJS序列化对象 json.asp的Asp.Net版

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Script.Serialization;
using System.Runtime.Serialization.Json; // 引用 System.ServiceModel.Web
using System.Reflection;

namespace CommonHelper
{
public static class JSONHelper
{
/**//// <summary>
/// 返回本对象的Json序列化
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static string ToJSON(this object obj)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
var st = serializer.Serialize(obj).Replace("/"", "'");
return st;
}

/**//// <summary>
/// 返回对象序列化
/// </summary>
/// <param name="obj">源对象</param>
/// <param name="selfName">数据源节点名称</param>
/// <param name="others">其它节点对象</param>
/// <returns></returns>
public static string ToJSON(this object obj, string selfName, object others)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
serializer.MaxJsonLength = int.MaxValue;
SortedList<string, object> data = new SortedList<string, object>();
data.Add(selfName, obj);
PropertyInfo[] pis = others.GetType().GetProperties();
foreach (PropertyInfo pi in pis)
{
data.Add(pi.Name,pi.GetValue(others,null));
}
return serializer.Serialize(data).Replace("/"", "'");
}

/**//// <summary>
/// 对象序列化
/// </summary>
/// <param name="obj">源对象</param>
/// <param name="selfName">源节点名称</param>
/// <returns></returns>
public static string ToJSON(this object obj, string selfName)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();

SortedList<string, object> data = new SortedList<string, object>();
data.Add(selfName, obj);
string s = data.ToJSON();
return s.Replace("/"", "'");
}

/**//// <summary>
/// 对象序列化
/// </summary>
/// <param name="obj">源对象</param>
/// <param name="recursionDepth">获取或设置用于约束要处理的对象级别的数目的限制,默认值为 100;该属性设置为小于 1 的值时将引发System.ArgumentOutOfRangeException</param>
/// <returns></returns>
public static string ToJSON(this object obj, int recursionDepth)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
serializer.RecursionLimit = recursionDepth;
return serializer.Serialize(obj).Replace("/"", "'");
}

/**//// <summary>
/// 将本JSON字符串反序列化为对象
/// </summary>
/// <typeparam name="T">返序列化类型</typeparam>
/// <param name="json">Json字符串</param>
/// <returns></returns>
public static T DeJSON<T>(this string json)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
return serializer.Deserialize<T>(json);
}
}
}