一次提交多次保存

Question

我需要一个表单，其中包括一个单选按钮，一个提交按钮和每个列出的项目复选框。

提交时，表单应为每个选中的项目保存单独的记录。每个保存的项目都应该包括单选按钮的值以及其他隐藏值。

表单呈现，但在提交时崩溃。错误消息为：

undefined method `permit' for #<Array:0x007fb4b3b1a520>

我的代码是：

     <%= form_tag(controller: "handoffs", action: "create", method: "post") %>
            <%= radio_button_tag(:attend, "arrive") %>
            <%= label(:handoff_arrive, "drop-off") %>
            <%= radio_button_tag(:attend, "depart") %>
            <%= label(:handoff_depart, "pick-up") %>

            <% @parent.children.each do |child| %>
                <%= check_box_tag "handoff[][check]" %>
                <strong>
                <%= child.fname %>
                <%= child.mname %>
                <%= child.lname %>
                </strong><br>

                <% group = Group.find(child.group_id) %>

                <%= hidden_field_tag "handoff[][attend]" %>
                <%= hidden_field_tag "handoff[][group_name]", :value => group.name %>
                <%= hidden_field_tag "handoff[][child_id]", :value => child.id %>
                <%= hidden_field_tag "handoff[][center_id]", :value => @center.id %>
                <%= hidden_field_tag "handoff[][escort_fname]", :value => @parent.fname %>
                <%= hidden_field_tag "handoff[][escort_lname]", :value => @parent.lname %>
                <%= hidden_field_tag "handoff[][child_fname]", :value => child.fname %>
                <%= hidden_field_tag "handoff[][child_mname]", :value => child.mname %>
                <%= hidden_field_tag "handoff[][child_lname]", :value => child.lname %>
            <% end %>
            <%= button_to :submit, :class => 'f_submit' %>
        <% end %>

控制器操作：

def new
    @handoff = Handoff.new
    @parent = current_parent
    @center = Center.find(@parent.center_id)
  end

  def create
    params["handoff"].each do |handoff|
      if params[:handoff["check"]] != ""
      @handoff = Handoff.new(handoff_params)
      @handoff.save
      end
    end
  end

  def handoff_params

    params.require(:handoff).permit(:attend, :group_name, :child_id, :center_id, :escort_fname, :escort_lname, :child_fname, :child_mname, :child_lname)
  end

请求参数(错误报告中)

{"utf8"=>"✓",
"authenticity_token"=>"snqrS130bXNV4bmMHOMlXeyhX2rWFVpmY/PYIv0jn97MBOLSWWw2jBbeYGPyjt7O9l5pRVNuFiu1qOwkGpELTA==",
"attend"=>"depart", "handoff"=>[{"check"=>"1", "attend"=>"",
"group_name"=>"{:value=>\"Gifted\"}", "child_id"=>"{:value=>60}",
"center_id"=>"{:value=>4}", "escort_fname"=>"{:value=>\"Richard\"}",
"escort_lname"=>"{:value=>\"Messing\"}",
"child_fname"=>"{:value=>\"Aaron\"}",
"child_mname"=>"{:value=>\"Lawrence\"}",
"child_lname"=>"{:value=>\"Schwartz\"}"}, {"check"=>"1", "attend"=>"",
"group_name"=>"{:value=>\"Arts & Crafts\"}",
"child_id"=>"{:value=>61}", "center_id"=>"{:value=>4}",
"escort_fname"=>"{:value=>\"Richard\"}",
"escort_lname"=>"{:value=>\"Messing\"}",
"child_fname"=>"{:value=>\"Joseph\"}",
"child_mname"=>"{:value=>\"Michael\"}",
"child_lname"=>"{:value=>\"Messing\"}"}], "method"=>"post",
"controller"=>"handoffs", "action"=>"create"}

Answer 1

我也有过类似的情况。首先，您需要创建包含所有要导出的值的数组，我使用helper来完成此操作。我将向您展示我的示例：

def get_table_of_keywords(keywords)
    exact_keywords = []
    keyword_array.each do |key|
      if !key.blank?
        exact_keywords << {keyword: key, created_at: DateTime.now.in_time_zone, updated_at: DateTime.now.in_time_zone }
      end
    end
  exact_keywords
  end

以及您正在使用create

@inserted_keywords = @campaign.keywords.create(get_table_of_keywords(params[:keyword][:keyword])) # add new keywords to the list