Asp.Mvc2.0实现用户登录与注销功能实例讲解（2）

/// 
 
 /// 用户登录MODEL 
 /// 
 
 public class Login 
 { 
  
  /// 
 
  /// 用户名 
  /// 
 
  [DisplayName("用户名")] 
  public string UserName 
  { 
   get; 
   set; 
  } 
 
  /// 
 
  /// 密码 
  /// 
 
  [DisplayName("密码")] 
  public string UserPwd 
  { 
   get; 
   set; 
  } 
 
  /// 
 
  /// 是否保存COOKIE 
  /// 
 
  [DisplayName("记住我")] 
  public bool RememberMe 
  { 
   get; 
   set; 
  } 

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage" %> 
 
 
 
 
 
  
 
 
 
 <%if (ViewData["msg"] != null) 
 {%> 
 <%:ViewData["msg"].ToString()%> 
 <%} %> 
 
 
 
 <%Html.BeginForm();%> 
  
 
 
  
 
  
 
  
用户登录
 
  
 
  
  
 
  
<%:Html.LabelFor(m=>m.UserName) %>
 
  
<%:Html.TextBoxFor(m=>m.UserName)%>
 
  
 
 
   
 
  
<%:Html.LabelFor(m=>m.UserPwd) %>
 
  
<%:Html.PasswordFor(m=>m.UserPwd) %>
 
  
 
 
   
 
  
<%:Html.LabelFor(m=>m.RememberMe) %>
 
  
<%:Html.CheckBoxFor(m=>m.RememberMe) %>
 
  
 
 
 
 
  
 
  
 
  
 
 
 
 <%Html.EndForm(); %> 
 
 
 
 

public ActionResult Login() 
  { 
   return View(); 
  } 
 
  [HttpPost] 
  public ActionResult Login(Models.Login model) 
  { 
   if (new Models.SqlHelper().UserLogin(model)) 
   { 
    //如果用户名存在，转向主页 
    FormsService.SignIn(model.UserName,model.RememberMe); 
    return RedirectToAction("index"); 
   } 
   else 
   { 
    //登录失败，转向登录页面 
    ViewData["msg"] = "登录失败"; 
    return View(model); 
   } 
 
   
  } 

/// 
 
  /// 判断用户登录是否成功 
  /// 
 
  ///  
  ///  
  public bool UserLogin(Login model) 
  { 
   strUserExist = string.Format(strUserExist, model.UserName, model.UserPwd); 
   SqlConnection con = new SqlConnection(conStr); 
   con.Open(); 
   SqlCommand cmd = new SqlCommand(strUserExist, con); 
   SqlDataAdapter adp = new SqlDataAdapter(cmd); 
   DataSet ds = new DataSet(); 
   adp.Fill(ds); 
   con.Close(); 
   if (ds != null && ds.Tables[0].Rows.Count > 0) 
   { 
    return true; 
   } 
   return false; 
  } 

 
 
  <%if (Request.IsAuthenticated) 
   {%> 
   欢迎您<%:Page.User.Identity.Name%>！ 
   
   <%:Html.ActionLink("注销", "LoginOff")%> 
   <%} 
   else 
   {%> 
   <%:Html.ActionLink("登录", "Login")%> 
   <%} %> 
  
 

 /// 
 
  /// 用户注销 
  /// 
 
  ///  
  public ActionResult LoginOff() 
  { 
   FormsService.SignOut(); 
   return RedirectToAction("index"); 
  }