1. validate tem<35 2. the tem presence:true,the tem_date can be set date 3. the tem<35, tem_c set "合格",otherwise tem_c set "不合格" -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/204955ea-d170-449c-bb91-667809efc7b7%40googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.