去掉login_flag

app/controllers/account_controller.rb

@@ -37,15 +37,11 @@ class AccountController < ApplicationController
   end
 
   # Log out current user and redirect to welcome page
-  # cookies[:login_flag] 是为了配合毛xx
-  # 退出再登录的话直接跳转到用户首页而不是登陆前的页面
-  # 相应处理方法在application_helper#is_logout? :1106
   def logout
     if User.current.anonymous?
       redirect_to home_url
     elsif request.post?
       logout_user
-      cookies[:login_flag] = 1
       redirect_to home_url
     end
     # display the logout form

app/helpers/application_helper.rb

@@ -1103,14 +1103,6 @@ module ApplicationHelper
     url
   end
 
-  # 完成毛 功能
-  # 具体信息参考account_controller#logout
-  def is_logout?
-    ret = cookies[:login_flag] == 1 ? true : false
-    cookies.delete(:login_flag)
-    ret
-  end
-
   def back_url_hidden_field_tag
     url = back_url
     hidden_field_tag('back_url', url, :id => nil) unless url.blank?