小编boo*_*tsa的帖子

我是Rails的新手.得到以下错误.我明白这个问题是什么,但不确定如何修复它？

错误 - 参数丢失或值为空:客户

  def customer_params
      params.require(:customer).permit(
        :first_name, 
        :last_name, 
        :email, 
        :password, 
        :password_confirmation)
    end
   end

DetailsController.rb

 class My::Account::DetailsController < MyController

 def show
   @customer = current_user
 end

 def update
   @customer = current_user
   @customer.update_attributes(customer_params)
   if @customer.errors.any?
     render :action => :show
   else
     redirect_to my_account_details_path, :notice => 'Account details updated'
   end
    end

   private

   def customer_params
      params.require(:customer).permit(
        :first_name, 
        :last_name, 
        :email, 
        :password, 
        :password_confirmation)
    end
   end

视图

 .account.container
.row
    = render :partial => '/my/account/sidebar'
    .section
        %h2 Your account details

        = simple_form_for @customer, :url => my_account_details_path, :method => :put, …

在视图中

= form.collection_check_boxes :category_ids, Item::Category.all, :id, :name, checked: "#{@search.try(:category_ids)}"

回报

"[\"3\", \"\"]"

但它应该产生

["3", ""]

为什么会这样？

@search.try(:category_ids) is ["3", ""]

当用户为日期选择器选择值时，如果我双击输入字段，浏览器会记住以前的条目。有什么方法可以禁用某些（不是全部）输入字段吗？

表单输入：

= form.input_field :date, :id => "date1"