无法用validate_presence_of来对boolean类型字段进行非空校验
migration代码
class CreateCorporateFinancials < ActiveRecord::Migration
def self.up
create_table :corporate_financials do |t|
t.integer :corporate_id
t.boolean :is_audit, :null => false, :default => false
t.text :balance_sheet
t.timestamps
end
end
def self.down
drop_table :corporate_financials
end
end
model:
class CorporateFinancial < ActiveRecord::Base
serialize :balance_sheet, Hash
belongs_to :corporate
validates_presence_of :is_audit
end
corporate_financial = CorporateFinanical.new(params)
cor_fina = CorporateFinancial.new(params)
corporate_financial.is_aduit
=> false
cor_fina.is_audit
=> true
corporate_financial.valid?
=> false
corporate_financial.errors
=> {:is_audit => "不能为空"}
cor_fina.valid?
=> true
当is_audit的值为false的时候,rails认为其值为空,意味着在对布尔类型的字段进行非空校验时不能用validates_presence_of,我的解决方法是: validates_inclusion_of :is_audit, :in => [true, false]