<div id="oid"></div> <script type="text/javascript"> //获取货号 $.ajax({ url: "http://192.168.1.191/H.ashx", type: "GET", dataType: 'jsonp', //jsonp的值自定义,如果使用jsoncallback,那么服务器端,要返回一个jsoncallback的值对应的对象. jsonp: 'jsoncallback', //要传递的参数,没有传参时，也一定要写上 data: null, timeout: 5000, //返回Json类型 contentType: "application/json;utf-8", //服务器段返回的对象包含name,openid. success: function (result) { document.getElementById('oid').innerText=result.name+"："+result.openid; }, error: function (jqXHR, textStatus, errorThrown) { alert(textStatus); } }); </script>

<%@ WebHandler Language="C#" Class="H" %> using System; using System.Web; public class H : IHttpHandler { public void ProcessRequest (HttpContext context) { context.Response.ContentType = "text/plain"; string result = context.Request.QueryString["jsoncallback"] + "({\"name\":\"测试编号为\",\"openid\":\"123456789\"})"; context.Response.Clear(); context.Response.Write(result); context.Response.End(); } public bool IsReusable { get { return false; } } }