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csharp:.net 3.5 using System.Runtime.Serialization.Json read json
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | 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">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 ; } } } |
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