JsonHellper
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Runtime.Serialization.Json; using System.IO; using System.Text; /// <summary> /// JSON序列化和反序列化辅助类 /// </summary> public class JsonHelper { /// <summary> /// JSON序列化 /// </summary> public static string JsonSerializer<T>(T t) { DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T)); MemoryStream ms = new MemoryStream(); ser.WriteObject(ms, t); string jsonString = Encoding.UTF8.GetString(ms.ToArray()); ms.Close(); return jsonString; } /// <summary> /// JSON反序列化 /// </summary> public static T JsonDeserialize<T>(string jsonString) { DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T)); MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString)); T obj = (T)ser.ReadObject(ms); return obj; } }
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace WEBTEST { public partial class WebForm1 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Person pp = new Person("lizhijie", 12); string aaa = JsonHelper.JsonSerializer<Person>(pp); Person pp2 = JsonHelper.JsonDeserialize<Person>(aaa); Response.Write(aaa + "<br/>"); Response.Write(pp2.Age.ToString() + "<br/>"); Response.Write(pp2.Name); } } public class Person { public Person() { } public Person(string name, int age) { this.Name = name; this.Age = age; } public string Name { get; set; } public int Age { get; set; } } }
可以使用DataContractJsonSerializer类将类型实例序列化为JSON字符串,并将JSON字符串反序列化为类型实例。DataContractJsonSerializer在System.Runtime.Serialization.Json命名空间下,.NET Framework 3.5包含在System.ServiceModel.Web.dll中,需要添加对其的引用;.NET Framework 4在System.Runtime.Serialization中。
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