作者ggegge (Egg)
看板Ruby
标题[问题] Datamapper hook?
时间Wed Dec 24 22:25:53 2008
环境: Datamapper 0.9.8
这里面有两个class:
class User
include DataMapper::Resource
property :id, Serial
property :login, String
belongs_to :group
before :create do
throw :halt, false
end
end
class Group
include DataMapper::Resource
property :id, Serial
has n, :users
end
然後这是irb里面的执行
irb(main):001:0> g = Group.create
~ INSERT INTO "groups" DEFAULT VALUES
=> #<Group id=1>
irb(main):002:0> u = User.new(:login => "a", :password=>"1",
:password_confirmation=>"1", :group=>g)
=> #<User id=nil login="a" group_id=1 crypted_password=nil salt=nil>
irb(main):003:0> u.save
=> true
irb(main):004:0> u
=> #<User id=nil login="a" group_id=1
crypted_password="135dcb3fbe621834f065cea764358b6337f03890"
salt="686dcc798935df374e38fdb0667746c2d0365e82">
问题在这里：明明u就没有存到database里面去，可是它却传回一个true
是我的hook写错了吗? 还是是别的问题?
PS. User是merb-auth的auth物件
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1F：→ godfat:你程式不完整 12/24 22:30
2F：→ godfat:btw, datamapper 0.9.8 烂掉一堆地方，建议用旧的... 12/24 22:32