在日志中收到以下错误消息
ActionController::ParameterMissing - param is missing or the value is empty: user_evaluation_result:
在某些情况下,在Drills控制器中,我试图在user_evaluation_results中插入一行。钻头控制器的代码行如下。我觉得我错过了一些明显的东西
....
user_evaluation_result_req = Rails.cache.read("user_evaluation_result_req")
if user_evaluation_result_req
id = Rails.cache.read("evaluation_assumption_id")
@user_evaluation_results = UserEvaluationResult.get_user_evaluation_results(id)
@result_list.each do |result|
if @user_evaluation_results.present?
puts "user evaluation result present "
else
@user_evaluation_result = UserEvaluationResult.new
@user_evaluation_result.evaluation_assumption_id = id
@user_evaluation_result.company_listing_id = 124
@user_evaluation_result.target_share_price_dollars = 7333
@user_evaluation_result = userEvaluationResult.new(user_evaluation_result_params)
end
end
....
# further down in Drills Controller
def user_evaluation_result_params
params.require(:user_evaluation_result).
permit(:evaluation_assumption_id,
:company_listing_id,
:target_share_price_dollars )
end
user_evaluation_results的值当前是硬编码的,但是当我开始工作时会发生变化。
user_evaluation_result的模型
class UserEvaluationResult < ActiveRecord::Base
include ActiveModel::ForbiddenAttributesProtection
before_validation :clean_data
belongs_to :company_listing
belongs_to :evaluation_assumption
validates :evaluation_assumption_id, :company_listing_id,
:target_share_price_dollars, presence: true
validates :target_share_price_dollars, :numericality => { :only_integer => true,
:greater_than_or_equal_to => 0}
validates :company_listing_id, uniqueness: {scope: [:evaluation_assumption_id]}
def self.get_user_evaluation_results(id)
where("evaluation_assumption_id = ?", id)
end
def target_share_price_dollars
target_share_price.to_d/1000 if target_share_price
end
def target_share_price_dollars=(dollars)
self.target_share_price = dollars.to_d*1000 if dollars.present?
end
private
def clean_data
# trim whitespace from beginning and end of string attributes
attribute_names.each do |name|
if send(name).respond_to?(:strip)
send("#{name}=", send(name).strip)
end
end
end
end
user_evaluation_result的表
create_table "user_evaluation_results", force: true do |t|
t.integer "company_listing_id"
t.integer "target_share_price"
t.datetime "created_at"
t.datetime "updated_at"
t.integer "evaluation_assumption_id"
end
欢迎任何帮助,当然可以发布更多详细信息 谢谢皮埃尔
答案 0 :(得分:0)
您UserEvaluationResult
在此处调用:@user_evaluation_result = userEvaluationResult.new(user_evaluation_result_params)
为小写且必须为大写,因此Rails
知道您指的是User Evaluation Result class
。您收到该错误的原因是您定义的params
要求UserEvaluationResult
采取行动,但您没有提供。{/ p>