我希望这些命令具有不同的秩序状态,因此我有一个称为“地位”的表格。 页: 1
class Status < ActiveRecord::Base
belongs_to :order
attr_accessible :name
end
这是我的命令。 rb:
class Order < ActiveRecord::Base
:es
end
我认为,我试图将相关地位称为:
<%= order.statuses.name%>
因此,我这样说:
<% order.statuses.each_with_index do |order_status, index| %>
<%= order_status.name%>
<% end %>
它仍然没有工作。 我有这样的错误:
尚未颁布的持续命令:
我将我的守则改为:
应当:
:
以及
页: 1
但我有这个错误:
页: 1
我只想到有关地位的命令,但地位与命令无关,我是否能够这样做?
由于复数制,你再次出现错误。 应:
class Order < ActiveRecord::Base
has_one :status
end
However,它像你可能拥有的属性一样,具有一种后向关系。 如果你只想在数据库中拥有少数地位(例如:待决、账单、装运、完整),则地位应<代码>has_many 令,每项命令应belongs_toa Status。 你们现在建立起来的方式是,每项命令都将有一个单独的地位问题标。 这可能是你想要的,但确保你明白,这意味着每个地位都不同(也许每个是判决,或两个描述命令)。
应当:
:
以及
页: 1
铁路局的R.R.R.R.R.建构。
由于你将关系定义为<代码>has_one。 页: 1
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