[英]date_select issue in Rails
当我访问date_select进行建模时,我已经在视图中实现了它:
视图:
<%= date_select :transaction ,:card_expires_on,:discard_day => true, :start_year => Date.today.year, :end_year => (Date.today.year+10), :add_month_numbers => true, :order => [:month,:year]%>
模型:
def credit_card
@credit_card ||= ActiveMerchant::Billing::CreditCard.new(
:type => card_type,
:number => card_number,
:verification_value => card_verification,
:month => card_expires_on.month,
:year => card_expires_on.year,
:first_name => first_name,
:last_name => last_name
)
end
错误:
You have a nil object when you didn't expect it!
The error occurred while evaluating nil.month
根据您所发表的东西,我会说, card_expires_on
在你的CREDIT_CARD方法是零。
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