Rails控制器设计：在同一视图上列出和创建
从 Rails 博客教程开始，我想在单个视图上列出并创建功能。但我不知道如何设计控制器来实现这一点。
索引视图必须显示简单的帖子列表和用于创建新帖子的表单。 我可以用部分解决这个问题吗？如何？我需要“新”和“创建”方法吗？仅仅创建还不够？
class MyPostsController < ApplicationController
def index
@posts = Post.all
end
def new
end
def create
end
end
starting from the rails blog tutorial, i want to have listing and create functionality on a single view. But i don't known how to design the controller to accomplish this.
The index view must show a simple list of posts and a form to create a new post.
Can i solve this with partials? How? I need a "new" and "create" methods? With only create is not enough?
class MyPostsController < ApplicationController
def index
@posts = Post.all
end
def new
end
def create
end
end
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如果您希望在
index视图中显示表单，请渲染该表单。我推荐部分，但这不是强制。根据表单实现，您可能需要一个新的Post模型，这就像在index操作中放置@post = Post.new一样简单。create可能不够“足够”的原因是某些表单是“用于”模型实例的。在这些情况下，通常new操作会创建一个新的Post并呈现表单，而create操作实际上会保存（创建）它。If you want to have the form in the
indexview, render the form. I'd recommend a partial, but it's not mandatory. Depending on the form implementation you may need a newPostmodel, that's as easy as putting a@post = Post.newin theindexaction.The reason
createmay not be "enough" is because some forms are "for" an instance of the model. In those cases generally thenewaction makes a newPostand renders the form, whereas thecreateaction actually saves (creates) it.