问题使用collection_select在数据库中存储值

I have two models:

我有两个型号：

Project.rb

Project.rb

class Project < ActiveRecord::Base
 belongs_to :customer
end

and Customer.rb

和Customer.rb

class Customer < ActiveRecord::Base
  has_many :projects
end

Inside the _form.html.erb I have:

在_form.html.erb里面我有：

<p>
    <label>Select Customer</label>
    <%= f.collection_select :customer_id, Customer.all, :id, :name, :include_blank => true %>
</p>

Which should Collect the Customers from the Customer model and display all the customers, finally it should assign the value to the customer_id which is in projects table.

哪个应该从客户模型收集客户并显示所有客户，最后应该将值分配给项目表中的customer_id。

Rite now the everything is passing when i check the log. When I select the first customer with value=1, it passes customer_id = "1" in my log but it doesn't get stored in the table. It shows customer_id = nil in the projects table.

现在，当我检查日志时，一切都过去了。当我选择值为1的第一个客户时，它会在我的日志中传递customer_id =“1”，但它不会存储在表中。它在项目表中显示customer_id = nil。

Can someone help. Thanks :)

有人可以帮忙吗谢谢 ：）

1 个解决方案

#1

Do check that you added customer_id in attr_accessible method like,

请检查您是否在attr_accessible方法中添加了customer_id，例如，

class Project
  attr_accessible :your_other_attributes, :customer_id
end