Question

遵循Hartl的铁路指导。当我尝试登录时，它会转到正确的页面，但“登录成功！”不会在界面上闪烁。此外，当我尝试退出时，我收到路由错误：No route matches [GET] "/sessions/1"。

任何帮助将不胜感激！

这是我的sessions_controller.rb：

class SessionsController＆lt; ApplicationController中

def new
  @title = "Log in"
end

def create
  user = User.authenticate(params[:session][:email], 
                           params[:session [:password])     
  if user.nil?
    flash.now[:error] = "Invalid email/password combination."
    @title = "Sign in"
    render 'new'
  else
    flash[:success] = "Successful login!"
    sign_in user
    redirect_back_or user
  end
end

def destroy
  sign_out
  redirect_to root_path
end

end

这是我的routes.rb：

SampleApp::Application.routes.draw do

  #resources :users    this is the line I removed to get my code to work
  resource :user #this is the lined I added to get my code to work

  resources :sessions, :only => [:new, :create, :destroy]   


  match '/sessions', :to => 'users#show'
  match '/signup', :to => 'users#new'
  match '/login', :to => 'sessions#new'
  match '/logout', :to => 'sessions#destroy'

  root :to => 'pages#home'

将resources :users更改为resource :user似乎允许我“登录”和“退出”，但用户界面上仍未显示Flash成功。这让我相信我的创建方法存在错误。

这是我的sessions_helper.rb：

module SessionsHelper

def sign_in(user)
  cookies.permanent.signed[:remember_token] = [user.id, user.salt]
  self.current_user = user
end


def signed_in?
  !current_user.nil?
end

def current_user=(user)
  @current_user = user
end

def current_user
  @current_user ||= user_from_remember_token
end

def current_user?(user)
  user == current_user
end

def sign_out
  cookies.delete(:remember_token)
  self.current_user = nil
end

def redirect_back_or(default)
  redirect_to(session[:return_to] || default)
  clear_return_to
end

private

def user_from_remember_token
  User.authenticate_with_salt(*remember_token)
end

def remember_token
  cookies.signed[:remember_token] || [nil, nil]
end

def store_location
  session[:return_to] = request.fullpath
end

def clear_return_to
  session[:return_to] = nil
end
end

已编辑：已在代码中发布解决方案。

Answer 1

我认为您应该只使用flash[:success]和flash[:error]而不是flash.now

你用什么链接注销？

RailsTutorial会话：登录不会闪烁成功并且注销会导致路由错误

1 个答案: