如果缺少翻译，请使用默认语言 [英] Fall back to default language if translation missing

问题描述

在一个国际化的Rails(2.3.5)应用程序中，我想显示默认语言环境的翻译，而不是缺少翻译"-有票证，但看来它仍在待处理:

in an internationalised Rails (2.3.5) app, I'd like to show a translation from the default locale instead of "translation missing" - there's a ticket for it but it seems it's still pending:

https://rails.lighthouseapp.com/projects/8994/tickets/2637-patch-i18n-look-up-a-translation-with-the缺少其他特定区域设置时的默认区域设置

例如(取自票证)，带有两个翻译文件，en.yml和es.yml:

For example (taken from the ticket), with two translation files, en.yml and es.yml:

en:

  hello: 'hello'

  hello_world: 'hello world'



es:

  hello_world: 'hola mundo'

执行此代码时:

I18n.t :hello, :locale => :es

Rails会返回"hello"，而不是缺少翻译"的跨度.

Rails returns "hello" instead of a span with "translation missing".

由于故障单仍在处理中，我该如何实现此功能?我知道我可以将所有的I18n.t调用更改为具有:default选项，但是如果可以避免的话，我宁愿不必遍历所有视图！因为它是一个补丁，所以我想可以将其应用到Rails冻结的宝石中，但是如果可以的话，我宁愿避免这样做.

As the ticket is still pending, how could I implement this functionality? I know I could go through and change all my I18n.t calls to have the :default option, but I'd rather not have to go through all the views if I can avoid it! As it's a patch, I suppose I could apply it to the Rails frozen gems, but I'd rather avoid that if I can.

推荐答案

如果您使用的是 Rails 2 (假设使用最新的I18n gem)，请将其添加到初始化程序中:

If you are using Rails 2, provided that you use the latest I18n gem, add this to an initializer:

I18n.backend.class.send(:include, I18n::Backend::Fallbacks)

然后，您可以像这样添加后备广告:

Then you can add your fallbacks like this:

I18n.fallbacks.map('es' => 'en')

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