csharp:.net 3.5 using System.Runtime.Serialization.Json read json

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using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; //<a href="http://msdn.microsoft.com/zh-cn/library/system.runtime.serialization.datacontractattribute.aspx" rel="noopener nofollow">http://msdn.microsoft.com/zh-cn/library/system.runtime.serialization.datacontractattribute.aspx</a> //using System.Web.Script.Serialization; using System.Text; using System.IO; using System.Runtime; using System.Runtime.Serialization;// 添加 System.Runtime.Serialization using System.Runtime.Serialization.Json;//添加 System.ServiceModel和System.ServiceModel.Web的引用 using System.Xml; using System.Runtime.Serialization.Formatters;     namespace JsonNetDemo {     public partial class WebForm1 : System.Web.UI.Page     {         string dataString = string.Empty;                   /// <summary>         ///         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         protected void Page_Load(object sender, EventArgs e)         {           }         /// <summary>         /// 对象转化为JSON字符串         /// http://www.cnblogs.com/coderzh/archive/2008/11/25/1340862.html         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         protected void Button1_Click(object sender, EventArgs e)         {             var config = new JsonConfig()             {                 encoding = "UTF-8",                 plugins = new string[] { "Java", "C++", "C#" },                 indent = new Indent() { length = 4, use_space = false }             };                 var serializer = new DataContractJsonSerializer(typeof(JsonConfig));             var stream = new MemoryStream();             serializer.WriteObject(stream, config);               byte[] dataBytes = new byte[stream.Length];               stream.Position = 0;               stream.Read(dataBytes, 0, (int)stream.Length);               dataString = Encoding.UTF8.GetString(dataBytes);               Response.Write("JSON string is:");             Response.Write(dataString);         }         /// <summary>         /// JSON字符串转对象         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         protected void Button2_Click(object sender, EventArgs e)         {             var config = new JsonConfig()             {                 encoding = "UTF-8",                 plugins = new string[] { "Java", "C++", "C#" },                 indent = new Indent() { length = 4, use_space = false }             };                 var serializer = new DataContractJsonSerializer(typeof(JsonConfig));             var stream = new MemoryStream();             serializer.WriteObject(stream, config);               byte[] dataBytes = new byte[stream.Length];               stream.Position = 0;               stream.Read(dataBytes, 0, (int)stream.Length);               dataString = Encoding.UTF8.GetString(dataBytes);               //var serializer = new DataContractJsonSerializer(typeof(JsonConfig));             var mStream = new MemoryStream(Encoding.Default.GetBytes(dataString));             JsonConfig readConfig = (JsonConfig)serializer.ReadObject(mStream);               Response.Write(string.Format("Encoding is: {0}", readConfig.encoding));             foreach (string plugin in readConfig.plugins)             {                 Response.Write(string.Format("plugins is: {0}", plugin));             }             Response.Write(string.Format("indent.length is: {0}", readConfig.indent.length));             Response.Write(string.Format("indent.use_space is: {0}", readConfig.indent.use_space));         }     }       [DataContract(Name = "Customer", Namespace = "JsonNetDemo")]     class JsonConfig     {         [DataMember(Order = 0)]         public string encoding { get; set; }         [DataMember(Order = 1)]         public string[] plugins { get; set; }         [DataMember(Order = 2)]         public Indent indent { get; set; }     }       [DataContract(Name = "Customer", Namespace = "JsonNetDemo")]     class Indent     {         [DataMember(Order = 0)]         public int length { get; set; }         [DataMember(Order = 1)]         public bool use_space { get; set; }     } }