front dc:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title></title> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js" type="text/javascript"></script> <script type="text/javascript"> //用jquery实现无刷新的登录验证 function login() { $.ajax({ url: 'Login.ashx', //访问路径 data: 'username=' + $("#username").val() + "&password=" + $("#password").val(), //需要验证的参数 type: 'post', //传值的方式 error: function () {//访问失败时调用的函数 alert("链接服务器错误！"); }, success: function (msg) {//访问成功时调用的函数,这里的msg是Login.ashx返回的值 //alert(msg); $("#a").html(msg); } }); } </script> </head> <body> <input type="text" id="username" /> <input type="text" id="password" /> <input type="button" value="登录" onclick="login()" /> <div id="a"> <!--这里显示返回信息--> </div> </body> </html>
ashx dc:
<%@ WebHandler Language="C#" Class="login" %> using System; using System.Web; public class login : IHttpHandler { public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; string username = context.Request.Form["username"]; string password = context.Request.Form["password"]; if (username == "admin" && password == "admin") { context.Response.Write("登录成功！"); } else { context.Response.Write("登录失败！用户名和密码错误!"); } } public bool IsReusable { get { return false; } } }