这上面ajax的部分就不再详解了. 重点在server端: 我在这里实现和原书中同样的目的,同样帖出全部的code: using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.IO; using Newtonsoft.Json; using Newtonsoft.Json.Converters; public partial class dojson : System.Web.UI.Page ...{ protected void Page_Load(object sender, EventArgs e) ...{ byte[] b = new byte[this.Request.InputStream.Length]; this.Request.InputStream.Read(b, 0, b.Length); string s = System.Text.Encoding.Default.GetString(b); Car car = (Car)JavaScriptConvert.DeserializeObject(s, typeof(Car)); string str = ""; str = "You have a " + car.Year + " " + car.Make + " " + car.Model + " that is " + car.Color + " in color."; this.Response.Write(str); this.Response.Flush(); this.Response.Close(); } private class Car ...{ public Car() ...{ } private string make; public string Make ...{ get ...{ return make; } set ...{ make = value; } } private string model; public string Model ...{ get ...{ return model; } set ...{ model = value; } } private int year; public int Year ...{ get ...{ return year; } set ...{ year = value; } } private string color; public string Color ...{ get ...{ return color; } set ...{ color = value; } } } } 这里用了最近的Newtonsoft.Json.dll,是2007-3-20的,也就是Json.NET 1.2版,详见http://www.newtonsoft.com/blog/ 主要用了一个反序列化,JavaScriptConvert.DeserializeObject,对在javascript中的object另外在C#里定义一个class,利用JavaScriptConvert.DeserializeObject方法做反序列化,可以从json的字符串里得到Car的一个实例,这样就可以完成下面的工作了.