当我尝试创建 Review 对象时出现此错误:
ArgumentError in ReviewsController#create
wrong number of arguments (1 for 0)
app/controllers/reviews_controller.rb:17:in `new'
app/controllers/reviews_controller.rb:17:in `create'
我不明白我做错了什么?我可以创建任何其他对象,但是这些对象给我这个错误,无论我做什么。我试图不提出任何争论,但它仍然认为有一个......
我的模型评论
:
# -*- encoding : utf-8 -*-
class Review < ActiveRecord::Base
attr_accessible :global_validation_date, :hr_comment, :hr_validate, :hr_validator, :manager_comment, :manager_validate, :manager_validation_date, :manager_validator, :owner_satisfaction, :owner_validate, :owner_validation_date, :send, :user_id
belongs_to :user
has_many :review_projects, dependent: :destroy
end
我的 Controller ReviewsController
:
# -*- encoding : utf-8 -*-
class ReviewsController < ApplicationController
before_filter :authenticate_user!
before_filter :check_permissions, only: :create
def index
@user = User.find(params[:user_id])
@reviews = @user.reviews
end
def create
@user = User.find(params[:user_id])
@reviews = @user.reviews
if @reviews.empty? || check_last_validate
@review = Review.new # HERE IS MY ERROR
if @review.save
render 'index', notice: "Review successfully created"
else
render 'index', notice: "An error occured on saving, please try again"
end
else
render 'index', alert: "You have to validate previous review before create a new one."
end
redirect_to user_reviews_path
end
private
def check_permissions
render_access_forbidden unless current_user == User.find(params[:user_id])
end
def check_last_validate
if !@reviews.empty?
return (@reviews.last.hr_validate || @reviews.last.manager_validate)
else
return false
end
end
end
我读了所有关于SO的相同问题,但没有任何作用。我很小心拼写错误,但我不认为我做错了。
我尝试了三种方法来创建我的对象回顾
:
@review = Review.new
@review.user_id = current_user.id
@review.hr_validator = ((current_user.hr_id.nil?) ? current_user.id : current_user.hr_id )
@review.manager_validator = ((current_user.manager_id.nil?) ? current_user.id : current_user.manager_id )
@review.hr_validate = false
@review.manager_validate = false
@review.owner_validate = false
@review.hr_comment = ""
@review.manager_comment = ""
@review.owner_satisfaction = nil
@review.send = false
<小时/>
@review = Review.new(
user_id: current_user.id,
hr_validator: ((current_user.hr_id.nil?) ? current_user.id : current_user.hr_id ),
manager_validator: ((current_user.manager_id.nil?) ? current_user.id : current_user.manager_id ),
hr_validate: false,
manager_validate: false,
owner_validate: false,
hr_comment: "",
manager_comment: "",
owner_satisfaction: nil,
send: false )
<小时/>
@user.reviews.create!(
user_id: current_user.id,
hr_validator: ((current_user.hr_id.nil?) ? current_user.id : current_user.hr_id ),
manager_validator: ((current_user.manager_id.nil?) ? current_user.id : current_user.manager_id ),
hr_validate: false,
manager_validate: false,
owner_validate: false,
hr_comment: "",
manager_comment: "",
owner_satisfaction: nil,
send: false )
最后一个给了我同样的错误,除了:
wrong number of arguments (2 for 0)
我的ruby版本是1.9.3,我的rails版本是3.2.13
谢谢。
编辑:
当我在 Rails 控制台中尝试此代码时:
current_user = User.first # as you are inside rails console you wont have current_user available to you
@review = Review.new(user_id: current_user.id,
hr_validator: ((current_user.hr_id.nil?) ? current_user.id : current_user.hr_id ),
manager_validator: ((current_user.manager_id.nil?) ? current_user.id : current_user.manager_id ),
hr_validate: false,
manager_validate: false,
owner_validate: false,
hr_comment: "",
manager_comment: "",
owner_satisfaction: nil,
send: false )
@review.save
我收到此错误:
ArgumentError: wrong number of arguments (2 for 0)
from /Users/killian/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/attribute_methods/read.rb:71:in `__temp__'
from /Users/killian/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/attribute_assignment.rb:85:in `block in assign_attributes'
from /Users/killian/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/attribute_assignment.rb:78:in `each'
from /Users/killian/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/attribute_assignment.rb:78:in `assign_attributes'
from /Users/killian/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/base.rb:498:in `initialize'
from (irb):31:in `new'
from (irb):31
from /Users/killian/.rvm/gems/ruby-1.9.3-p448/gems/railties-3.2.13/lib/rails/commands/console.rb:47:in `start'
from /Users/killian/.rvm/gems/ruby-1.9.3-p448/gems/railties-3.2.13/lib/rails/commands/console.rb:8:in `start'
from /Users/killian/.rvm/gems/ruby-1.9.3-p448/gems/railties-3.2.13/lib/rails/commands.rb:41:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
最佳答案
好吧,我发现问题了...显然错误是由属性 send
引起的。我真的很惊讶,因为我检查了 ruby 中的所有保留字,并且“发送”没有出现在任何地方。
所以只需重命名它,现在一切就可以了。不管怎样,感谢大家的帮助。
关于ruby-on-rails - rails : wrong number of arguments (1 for 0) for . 新,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24411253/