.NET的Ajax请求数据提交实例_实用技巧_

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

 
       

 
            ajax请求

 
   

 
     
   

 
       

 
           

 
       

 
           

 
                会员登录没有账号？立即注册

 
 
           

 
           

 
               

 
                     
               

 
               

 
                     
                     
               

 
               

用户名或密码错误！

 
               

 
                     
                         
                        自动登录 
                    忘记密码？ 
               

 
                 
           

 
           

 
       

 
   

 
 
 

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(); 
        } 
        ///

 
        /// 检查登陆 
        ///

 
        ///  
        ///  
        [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; 
            } 
        } 
    } 
}