html中的代码：
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script src="js/jquery-1.7.2.min.js"></script> </head> <body> 用户名：<input type="text" id="text" /> <br /> <br /> 密 码：<input type="password" id="pwd" /> <br /> <br /> <input type="button" id="btn" value="登录" /> <br /> <br /> <span id="span"></span> <script type="text/javascript"> $("#btn").click(function () { var name = $("#text").val(); var pwd = $("#pwd").val(); $.ajax({ url: "ashxs/denglu.ashx", data: { "name": name, "pwd": pwd }, type: "post", dataType: "json", success: function (data) { if (data.has == "0") { $("#span").text("用户名密码不正确！"); } else { window.location.href = "主页.html"; } },//success error: function () { $("#span").text("服务器连接失败"); },//error beforeSend: function () { $("#text").attr('disabled', 'disabled'); $("#pwd").attr('disabled', 'disabled'); $("#btn").attr('disabled', 'disabled'); $("#btn").val('登陆中...'); },//beforeSend complete: function () { $("#text").removeAttr('disabled'); $("#pwd").removeAttr('disabled'); $("#btn").removeAttr('disabled'); $("#btn").val('登 陆'); } });//ajax });//btn.click </script> </body> </html>
一般处理程序中的代码：
<%@ WebHandler Language="C#" Class="denglu" %> using System; using System.Web; using System.Linq; using System.Data.Linq; using System.Collections; using System.Collections.Generic; public class denglu : IHttpHandler { DataClasses2DataContext con = new DataClasses2DataContext(); public void ProcessRequest(HttpContext context) { System.Threading.Thread.Sleep(3000); string name = context.Request["name"]; string pwd = context.Request["pwd"]; string end = "0"; var data = con.zhuce.Where(r => r.name == name && r.pwd == pwd).ToList(); if (data.Count() > 0) { end = "1"; } context.Response.Write("{"has":"" + end + ""}"); } public bool IsReusable { get { return false; } } }