Ajax请求。数据的提交，参数的传递。FormCollection

<1>

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<dynamic>" %>

<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>

<2>

控制器

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;
            }

        }

    }
}

原文链接：https://www.f2er.com/ajax/164114.html

Ajax请求。数据的提交，参数的传递。FormCollection

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