環路選擇下拉菜單5倍

基本上，我希望用戶能夠從5個不同的下拉菜單，稍後將在用戶的顯示頁面上查看選擇他們的前5名技能環路選擇下拉菜單5倍

用戶控制器：

class UsersController < ApplicationController 

     def new 

      @user = User.new 
      end 

      def show 
      @user = User.find(params[:id]) 
      @events = @user.events 

      end 

      def create 
      @user = User.new(user_params) 
      if @user.save 
       session[:user_id] = @user.id 
       redirect_to root_url 
      else 
       render "new" 
      end 
      end 

      def edit 
      @user = current_user 
      end 

      def update 
      @user = current_user 
      @user.update_attributes(user_params) 

      if @user.save 
       redirect_to user_path(current_user) 
      else 
       render "edit" 
      end 
      end 

      def upload 
      uploaded_io = params[:user][:picture] 
      File.open(Rails.root.join('public', 'uploads', uploaded_io.original_filename), 'wb') do |file| 
       file.write(uploaded_io.read) 
      end 
      end 


      private 

      def user_params 
      params.require(:user).permit(:email, :password, :password_confirmation, :first_name, :last_name, :region, :volunteer_position, :summary, :date_of_birth, :picture, :hours, :org_admin, :skills, :goals) 
      end 
     end 


    users model: 

      SKILLS = ["","Administrative", "Analytical", "Artistic/Creative", "Budgeting", 
      "Communicaton", "Computer", "Conflict Resolution", "Creating Ideas", 
      "Creating Procedures", "Creating New Solutions", "Customer Service", 
      "Decision Making", "Fundraising", "Handling Complaints", "Innovative", 
      "Leadership", "Learning", "Logical Thinking", "Maintaining High Levels of Activity", 
      "Negotiating", "Networking", "Organizational", "Planning", "Problem Solving", 
      "Reporting", "Team Work", "Technical", "Time Management", "Training"] 


      def select_skills 
      @skills = [] 
      5.times do |i| 
       return i.skills 
      end 
      end

用戶show.html.erb

<tr> 
    <td>skills:</td> 
    <td><%= current_user.skills %></td> 
</tr>

edit.html.erb

<tr> 
    <td> User Goals </td> 
     <% select User::SKILLS.each do |skill|%> 
     <% @skill = Skills.order.first(5) %> 
<tr> 
    <th><%= current_user.skills %></th> 
</tr> 
<% end %>

錯誤消息：在用戶＃編輯

引發ArgumentError
錯誤的參數數目（1給出，預期2..5）

來源

2017-03-17 Amena

您能夠發佈完整的錯誤消息，並且還你的模型，視圖和控制器和應用程序目錄結構中的每個文件的位置？我可能是錯的，但我會期待你寫的方法在控制器 – 2017-03-17 17:08:16

@RailsKiddie更新它！ – Amena

您在此代碼段中收到參數錯誤：

<tr> 
    <td> User Goals </td> 
    <% select User::SKILLS.each do |skill|%> 
    <% @skill = Skills.order.first(5) %> 
</tr>

因爲select需要至少兩個參數。我個人發現select_tag更直接：

<tr> 
    <td> User Goals </td> 
    <%= select_tag "skills", options_for_select(User::SKILLS) %> 
</tr>

這會給你一個單一的選擇與所有的技能。您可以輕鬆地選擇5具有一個循環：

<tr> 
    <td> User Goals </td> 
    <% 5.times do |i| %> 
    <%= select_tag "skills<%=i%>", options_for_select(User::SKILLS) %> 
    <% end %> 
</tr>

來源

2017-03-17 18:58:53 eiko

這很完美！謝謝！ – Amena

環路選擇下拉菜單5倍

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