1，提交页面
<%@ Page Language="C#" %> <!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 runat="server"> <title></title> <script type="text/javascript" src="js/jquery.js"></script> <script type="text/javascript"> function checkUser() { var username = $("#username").val(); var password = $("#password").val(); if (username == "") { alert("请输入用户名！"); return false; } else if (password == "") { alert("请输入密码！"); return false; } var data = { username: encodeURIComponent(username), userpass:encodeURIComponent(password) } $.post("Handler.ashx", data, function (msg) { if (msg == "1") { // return true; } else { alert("用户名或密码有误！"); return false; } }); } </script> </head> <body> <h2>Ajax用户登录</h2> 用户名：<input id="username" name="username" type="text" /><br /> 密 码：<input id="password" name="password" type="password" /><br /> <input onclick="checkUser()" type="button" value="登录" /> </body> </html>
2，处理页面1
Handler.ashx
<%@ WebHandler Language="C#" Class="Handler" %> using System; using System.Web; public class Handler : IHttpHandler { public void ProcessRequest (HttpContext context) { context.Response.ContentType = "text/plain"; string username = context.Request["username"]; string password = context.Request["password"]; string flag="0"; if (username == "sunshine" && password == "m123") { flag = "1"; } context.Response.Write(flag); } public bool IsReusable { get { return false; } } }
3，处理页面2
SignInData.aspx.sc
using System; public partial class SignInData : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { CheckUser(); Response.End(); } /// <summary> /// 验证用户 /// </summary> private void CheckUser() { string username = Request["username"]; string password = Request["password"]; if (username == "sunshine" && password == "m123") { Response.Write("1"); } else { Response.Write("0"); } } }