Rails 3.1:有关深度嵌套模型的任何教程吗? [英] Rails 3.1: Any tutorials for deeply nested models?

问题描述

我正在寻找Rails 3.1的有效教程，该教程逐步向您展示如何创建3级深度的嵌套模型.

I'm looking for a working tutorial for Rails 3.1 that shows you step-by-step how to create a nested model that's 3 levels deep.

在RailsCasts上，复杂表单"截屏要工作，请确认代码已使用了4年以上.

The "complex forms" screencasts on RailsCasts doesn't seem to be working, seeing that the code is 4+ years old.

推荐答案

尝试从railscasts(去年1月发布)中查看这些tut.

try looking at these tuts from railscasts(posted january last year)

http://railscasts.com/episodes/196-nested -model-form-part-1

和

http://railscasts.com/episodes/197-nested -model-form-part-2

起初我确实在深度嵌套方面遇到了问题，但是它们都遵循相同的模式，请检查一下我在下面的rails 3中遇到的问题

I did initially have problems with deep nesting, but they all follow the same pattern, checkout the problems i faced with rails 3 below

通过以下方式以嵌套形式添加字段的问题jQuery表单Railscasts情节

如何使用jquery限制嵌套表单字段工作

希望这会有所帮助，因为一开始嵌套的字段可能会很棘手

hope this helps as deeply nested fields can be tricky at first

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