如何在表单标签助手中传递 i18n 插值变量？
假设有以下 en.yml
#en.yml
en:
activerecord:
books:
price: "Price in %{currency}"
然后可以在视图中执行以下操作
<%= t :price, :scope => "activerecord.attributes.book", :currency => "USD"%>
，它将打印“Price in USD”。
但是，当此翻译的形式
# views/books/edit.html
f.label :price
可以理解地抛出 I18n::MissingInterpolationArgument 时，我无法弄清楚如何传递货币，但我无法弄清楚传递缺少的参数
# views/books/edit.html
f.label :price, :currency => "USD"
不起作用的语法可能是什么。
Suppose one has the following en.yml
#en.yml
en:
activerecord:
books:
price: "Price in %{currency}"
Then one can do the following in a view
<%= t :price, :scope => "activerecord.attributes.book", :currency => "USD"%>
and it will print "Price in USD".
But I can't figure out how to pass the currency when this translation is in a form
# views/books/edit.html
f.label :price
understandably throws an I18n::MissingInterpolationArgument, but I can't figure out what the syntax might be to pass the missing argument
# views/books/edit.html
f.label :price, :currency => "USD"
does not work.
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我会尝试：
I would try: