Json和Class之间相互转换
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Runtime.Serialization.Json; using System.ServiceModel.Web;///记得引用这个命名空间 using System.IO; using System.Text; /// <summary> /// Summary description for JsonHelper /// </summary> public class JsonHelper { public JsonHelper() { // // TODO: Add constructor logic here // } /// <summary> /// 把对象序列化 JSON 字符串 /// </summary> /// <typeparam name="T">对象类型</typeparam> /// <param name="obj">对象实体</param> /// <returns>JSON字符串</returns> public static string GetJson<T>(T obj) { //记住 添加引用 System.ServiceModel.Web /** * 如果不添加上面的引用,System.Runtime.Serialization.Json; Json是出不来的哦 * */ DataContractJsonSerializer json = new DataContractJsonSerializer(typeof(T)); using (MemoryStream ms = new MemoryStream()) { json.WriteObject(ms, obj); string szJson = Encoding.UTF8.GetString(ms.ToArray()); return szJson; } } /// <summary> /// 把JSON字符串还原为对象 /// </summary> /// <typeparam name="T">对象类型</typeparam> /// <param name="szJson">JSON字符串</param> /// <returns>对象实体</returns> public static T ParseFormJson<T>(string szJson) { T obj = Activator.CreateInstance<T>(); using (MemoryStream ms = new MemoryStream (Encoding.UTF8.GetBytes(szJson))) { DataContractJsonSerializer dcj = new DataContractJsonSerializer(typeof(T)); return (T)dcj.ReadObject(ms); } } }