%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPagedynamic>" %> 
 
head runat="server"> 
    title>ajax请求/title> 
    link type="text/css" rel="stylesheet" href="/Content/style.css" /> 
    script type="text/javascript" src="/Scripts/jquery-1.8.3.min.js">/script> 
    script type="text/javascript" src="/Scripts/js.js">/script> 
/head> 
body> 
    !--顶部+logo+导航--> 
    div class="logo_box"> 
        div id="logo"> 
            a title="ajax请求">ajax请求/a>/div> 
    /div> 
    !----> 
    div class="loginCon"> 
        div class="loginBanner"> 
            img src="/Images/4499633_182932517000_2.jpg" />/div> 
        div class="loginBox"> 
            h2> 
                span class="fl">会员登录/span>span class="newUser">没有账号？a href='%=Url.Action("Register","Account") %>'>立即注册/a>/span>/h2> 
 
            form id="formData"> 
            div class="loginForm"> 
                div class="inputBox"> 
                    input type="text" name="user" value="用户名/手机号" class="userId" /> 
                /div> 
                div class="inputBox"> 
                    input type="text" value="密码" class="textStyle" /> 
                    input type="password" name="pwd" class="passwordStyle none" /> 
                /div> 
                div class="warn">用户名或密码错误！/div> 
                div class="remember"> 
                    label> 
                        input type="checkbox" name="remembered" checked /> 
                        自动登录/label> 
                    a class="forget" href='%=Url.Action("ResetPwd","Login") %>' >忘记密码？/a> 
                /div> 
                input class="loginBtn" type="button" value="登录"/> 
            /div> 
            /form> 
        /div> 
    /div> 
/body> 
script type="text/javascript"> 
    $(function () { 
        $('.userId,.passwordStyle').on('keyup', function (e) { 
            if (e.keyCode == 13) { 
                $('.loginBtn').trigger('click'); 
            } 
        }); 
        $('.loginBtn').on('click', function () { 
            $(".warn").hide(); 
            var pwd = $('.passwordStyle').val(); 
            if (pwd == '') { 
                $(".warn").show().html('请输入密码'); 
                return false; 
            } 
            var data = $("#formData").serialize(); 
            $.post("/login/checkLoginInfo", data, function (ajaxObj) { 
                //回传内容{status: 1(success)/0(fail),} 
                if (ajaxObj.status == 0 || status == null) { 
                    $(".warn").show().html('用户名或密码错误！'); 
                } else { 
                    //登陆成功，跳转都制定页面 
                    window.location = '/memberCenter/index'; 
                } 
            }, "json"); 
        }); 
    }); 
/script> 
/html>

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web; 
using System.Web.Mvc; 
using System.Text; 
 
namespace bigtree.Controllers 
{ 
    using bigtree.Models; 
    using bigtree.Model; 
    using bigtree.lib; 
    using System.Net.Mail; 
    using System.Text.RegularExpressions; 
 
    public class LoginController : Controller 
    { 
        public ActionResult Index() 
        { 
            return View(); 
        } 
        /// summary> 
        /// 检查登陆 
        /// /summary> 
        /// param name="f">/param> 
        /// returns>/returns> 
        [HttpPost] 
        public ActionResult CheckLoginInfo(FormCollection f) 
        { 
            try 
            { 
                //post:   user , pwd ,remembered 
                string user = f["user"].Trim(); 
                string pwd = f["pwd"].Trim(); 
                string remembered = f["remembered"].Trim(); 
 
                JsonResult res = new JsonResult(); 
                if (string.IsNullOrEmpty(user) || string.IsNullOrEmpty(pwd)) 
                { 
                    res.Data = new { status = 0 }; 
                } 
                //MD5加密后的密码 
                pwd = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(pwd, "md5").ToLower(); 
                //从数据库读取 
                Common.WebUser account = MemberInfoService.GetMemberIdForCheck(user, pwd); 
                if (account == null) 
                { 
                    res.Data = new { status = 0 }; 
                } 
                else 
                { 
                    //{status: 1(success)/0(fail),} 
                    res.Data = new { status = 1 }; 
                    //todo：登陆成功，记录登陆用户信息保存登陆状态 
                    FunSession.SetSession(account); 
 
                    //是否记住登录 
                    if (remembered == "on") 
                    { 
                        HttpCookie cookie = new HttpCookie("LoginInfo", account.Id.ToString()); 
                        //3天有效 
                        cookie.Expires.AddDays(3); 
                        Response.Cookies.Add(cookie); 
                    } 
                    else 
                    { 
                        HttpCookie cookie = new HttpCookie(account.Id.ToString(), account.Id.ToString()); 
                        //使失效 
                        cookie.Expires.AddYears(-1); 
                        Response.Cookies.Add(cookie); 
                    } 
                } 
                return res; 
            } 
            catch (Exception ex) 
            { 
                throw ex.InnerException; 
            } 
        } 
    } 
}