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我有以下的方法,我試圖添加customer_status.status
到結果數組,但得到錯誤undefined method <<
如何從另一種方法添加結果數組
def self.latest_customer_details(user_id)
latest = latest_within_last_year(user_id)
return nil unless latest.present?
customer_status = customer_status(user_id)
result = Customer.new('customer_info', latest.customer_info, latest.status, latest.purchase_date)
result << customer_status.status
end
我該如何解決呢?
'result'是'客戶'對象,而不是數組。您的最後一行只有在客戶從Array繼承時纔有效。 –