namespace ExtJSProject.WebApi.Models{    [Serializable]    [DataContract]    public class Person    {        [DataMember]        public string Name { get; set; }        [DataMember]        public int Age { get; set; }    }}

namespace ExtJSProject.WebApi.Controllers{    [RoutePrefix("api/Person")]    public class PersonController : ApiController    {        [HttpGet]        public List<Models.Person> Get(int page, int start, int limit)        {            return new List<Models.Person>()            {                new Models.Person() {Name="张三",Age=25 },                new Models.Person() {Name="李四",Age=25 }            };        }    }}

var baseUrl = "http://" + window.location.hostname + "/ExtJS.WebApi/api/";Ext.onReady(function () {    Ext.define("Person", {        extend: ‘Ext.data.Model‘,        fields: [‘Name‘, ‘Age‘]    });    var ajaxProxy = new Ext.data.proxy.Ajax({        url: baseUrl + ‘Person/Get‘,        model: ‘Person‘,        reader: ‘json‘    });    var operation = new Ext.data.Operation({        action: ‘read‘,        page: 2,        start: 50,        limit: 25    });    ajaxProxy.doRequest(operation, callBack);    function callBack(operation) {        console.log(operation.response.responseText);    //[{"Name":"张三","Age":25},{"Name":"李四","Age":25}]       }});