Jquery的登陆验证
前端代码:login.aspx<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Login.aspx.cs" Inherits="Login" %><!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>Login Page</title> <script src="jQuery.js" type="text/javascript"></script><script language="javascript" type="text/javascript">$(document).ready(function(){ $("#btnLogin").click(function(){ Login(); });});function Login(){ if(Check()) { LoginSuccess(); }}function Check(){ if($("#txtUser").val()=="") { alert("The user isn't empty"); $("#txtUser").focus(); return false; } if($("#txtPassword").val()=="") { alert("The Password isn't empty") $("#txtPassword").focus(); return false; } return true;}function LoginSuccess(){ $.ajax({ type:"POST", url:"CheckLogin.aspx", data:{userName:$("#txtUser").val(),userPwd:$("#txtPassword").val()}, beforeSend:function(){$("#msg").html("logining");}, success:function(data){ $("#msg").html(decodeURI(data)); } }); }</script></head><body> <form id="form1" runat="server"> <div style="margin-left:32px;"> <a>User:</a><input id="txtUser" type="text"/> </div> <div> <a>Password:</a><input id="txtPassword" type="text" /> </div> <div id="msg"></div> <div> <input id="btnLogin" type="button" value="Login" /></div> </form></body></html>
后台代码 :
using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class checkLogin : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { string retVal = ""; string userName = Request["userName"]; string userPwd = Request["userPwd"]; if (userName == "ike" && userPwd == "123") { retVal = "Login is success"; } else { retVal = "Login is false"; } Response.Write(retVal); } }}
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