我想從數據庫創建一個簡單的檢查值。這裏是我的代碼:如何從數據庫表中檢查值?
def check_user_name(name, email)
db_name = Customers.find_by_name(name).to_s
db_email = Customers.find_by_email(email).to_s
if name == db_name && email == db_email
return 'yes'
else
return 'no'
end
end
但我總是'不'變種....爲什麼?
你好。如果Customers.where(:name => name,:email => email)' now,i allways have'yes':) – 2013-04-21 08:42:19
如果Customers.where(:name = > name,:email => email).exists?' – Baldrick 2013-04-21 08:47:48
哦,是)謝謝) – 2013-04-21 08:50:02