Create Model Through Text Field

Create Model Through Text Field
<br /># models/product.rb<br />belongs_to :category<br />attr_accessor :new_category_name<br />before_save :create_category_from_name<br /><br />def create_category_from_name<br /> create_category(:name => new_category_name) unless new_category_name.blank?<br />end<br /><br />#有一個create_category的 methods 可以create 相對應的user<br />