如何从站点 Rails 3 动态获取 link_to 的参数

发布于 2024-11-18 16:36:05 字数 552 浏览 3 评论 0原文

我正在 Rails 中以不显眼的 jQuery 方式使用 link_to 方法：

<%= link_to "save", 
            update_elements_diagram_path(diagram, :shown_elements => ["speed", "position_break"]),
            :method => :post, :remote => true, :class => "close",
            :onclick => "stringViewsTableLoading()" %>

这有效。但现在我想从用户输入中动态获取参数“shown_elements”。我知道如何将它们从表单转换为 javascript，但是如何从 javascript 转换为 Rails？

 ... shown_elements => "getShownElements()"

或者类似的东西会很棒。

问候

桑德罗

原文

I am using a the link_to method in Rails the unobstrusive jQuery way:

<%= link_to "save", 
            update_elements_diagram_path(diagram, :shown_elements => ["speed", "position_break"]),
            :method => :post, :remote => true, :class => "close",
            :onclick => "stringViewsTableLoading()" %>

This works. But now I want to get the arguments "shown_elements" dynamically from the users inputs.
I know how to get them from the form to javascript, but how from javascript to Rails?

 ... shown_elements => "getShownElements()"

or something similar would be great.

Greetings

Sandro

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守护在此方 2024-11-25 16:36:05

不确定我明白你的意思，所以我猜你的页面上有一些字段，而你想要的是在 :shown_elements 中获取这些字段的值。

这不是应该做的事情。反过来想想。您正在使用 :method => 发布表单:post，这意味着可以使用 params[] 在目标控制器中访问这些内容。

def DiagramsController < ApplicationController

    def update_elements
        shown_elements = params[:shown_elements] # or something like this.
    end

end

希望这有帮助！

Not sure I see what you mean there, so I guess that you somehow have a few fields on your page, and that what you want is to get the value of those fields in the :shown_elements.

This is not how it's supposed to be done. Think the other way around. You are posting a form using :method => :post, which means that those will be accessible in your target controller using params[].

def DiagramsController < ApplicationController

    def update_elements
        shown_elements = params[:shown_elements] # or something like this.
    end

end

Hope this helps!

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