Json Class

// ==============================================================================
// Created by Bndy at 12/06/2009
// Copyright (c) 2009 Bndy, All rights reserved.
// Welcome to my site http://www.bndy.net
//
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//
// ------------------------------------------------------------------------------
// Json 类及相关操作方法
// 引用　System.Runtime.Serialization, System.ServiceModel, System.ServiceModel.Web。
// ==============================================================================

using System.Collections.Generic;

namespace Net.Bndy.Data
{
    public class TinyJson
    {
        private List<Item> _items = new List<Item>();
        public List<Item> Items
        {
            get { return _items; }
            set { _items = value; }
        }

        public TinyJson(params Item[] items)
        {
            _items.AddRange(items);
        }
        /// <summary>  
        /// 将Json对象转换成Json对象串  
        /// </summary>  
        /// <returns>返回Json字符串</returns>  
        public string ToJsonString()
        {
            List<string> lst = new List<string>();
            foreach (Item itm in _items)
            {
                lst.Add(itm.ToString());
            }
            return "[" + string.Join(",", lst.ToArray()) + "]";
        }
        #region 静态方法开始
        public static T JsonToObject<T>(string jsonString)
        {
            T result;
            System.Runtime.Serialization.Json.DataContractJsonSerializer serializer = new System.Runtime.Serialization.Json.DataContractJsonSerializer(typeof(T));
            using (System.IO.MemoryStream stream = new System.IO.MemoryStream(System.Text.Encoding.UTF8.GetBytes(jsonString)))
            {
                result = (T)serializer.ReadObject(stream);
            }
            return result;
        }
        public static string ObjectToJson(object o)
        {
            string result = string.Empty;
            System.Runtime.Serialization.Json.DataContractJsonSerializer serializer = new System.Runtime.Serialization.Json.DataContractJsonSerializer(o.GetType());
            using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
            {
                serializer.WriteObject(stream, o);
                byte[] dataBytes = new byte[stream.Length];
                stream.Position = 0;
                stream.Read(dataBytes, 0, dataBytes.Length);
                result = System.Text.Encoding.UTF8.GetString(dataBytes);
            }
            return result;
        }
        # endregion 静态方法结束
        /// <summary>  
        /// Json 数据对象  
        /// </summary>  
        public class Item
        {
            private List<Attribute> _attributes = new List<Attribute>();
            public List<Attribute> Attributes
            {
                get { return _attributes; }
                set { _attributes = value; }
            }
            public Item(params Attribute[] attributes)
            {
                _attributes.AddRange(attributes);
            }
            public override string ToString()
            {
                List<string> lst = new List<string>();
                foreach (Attribute attr in _attributes)
                {
                    lst.Add("\"" + attr.Name + "\":\"" + attr.Value + "\"");
                }
                return "{" + string.Join(",", lst.ToArray()) + "}";
            }
            /// <summary>  
            /// 对象的属性类  
            /// </summary>  
            public class Attribute
            {
                private string _name;
                public string Name
                {
                    get { return _name; }
                    set { _name = value; }
                }
                private string _value;
                public string Value
                {
                    get { return _value; }
                    set { _value = value; }
                }
                public Attribute(string attrName, string attrValue)
                {
                    _name = attrName;
                    _value = attrValue;
                }
            }
        }
    }
}