[英]How to params[] value to a user-defined action
I have a form named purchase_products.html.erb我有一个名为 purchase_products.html.erb 的表格
<%= form_for (:purchase) do |f| %>
<% for product in @purchase %>
<%= check_box_tag "product_ids[]", product.id %>
<%= product.product_name %> |
<%= product.description %> |
<%= product.link %> |
<%= link_to 'Show', product_path(product) %><br/>
<% end %>
<%= f.submit "Purchase" %>
<%= link_to 'Home', :start %>
<% end -%>
Here when I click the submit button I want to send all selected checkboxes values to a action 'my_purchase' in purchase controller.在这里,当我单击提交按钮时,我想将所有选中的复选框值发送到购买 controller 中的操作“my_purchase”。
How do i redirect my button to call my user defined method?如何重定向按钮以调用用户定义的方法?
and how can I do to retrieve which checkboxes are selected?以及如何检索已选中的复选框?
Add url params to form_for
.将 url 参数添加到form_for
。 See form_for API见form_for API
<%= form_for(:purchase, :url => {:action => :user_defined_method}) do |f| %>
You can access the checkboxes as an array of product ids in the method as params[:product_ids]
.您可以在params[:product_ids]
方法中将复选框作为产品 ID 数组访问。
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