ruby-on-rails – rails 4密码确认ca.

我正在浏览一个Rails教程,在用户验证的一节中,我一直收到一个错误,告诉我在编辑/创建用户时我的密码确认不能为空.我查看了之前的答案,看起来人们使用的是attr_accessible,它被拉出轨道.我是一个总计rails / web dev newb所以我不知道如何继续.该视图在HAML中,如果这是不好的做法,对不起.

模型

class User < ActiveRecord::Base

  before_save { self.email = email.downcase }
  attr_accessor :name,:email
  validates_confirmation_of :password
  has_secure_password


  validates :name,presence: true,length:{ maximum: 16 }

  VALID_EMAIL_REGEX = /A[w+-.]+@[a-zd-.]+.[a-z]+z/i

  validates :email,format: { with: VALID_EMAIL_REGEX },uniqueness: { case_sensitive: false }

  validates :password,length: { minimum: 6 }


  has_one :profile
  has_many :posts


  end

视图

= form_for(@user) do |f|
  - if @user.errors.any?
    #error_explanation
      %h2
        = pluralize(@user.errors.count,"error")
        prohibited this username from being saved:
      %ul
        - @user.errors.full_messages.each do |msg|
          %li= msg

  .field
    = f.label :name
    = f.text_field :name   

  .field
    = f.label :email
    =f.text_field :email       

  .field
    = f.label :password
    = f.password_field :password

    = f.label :password_confirmation
    = f.password_field :password_confirmation

  .actions
    = f.submit