添加执行文件选项

app/views/challenges/_form.html.erb

@@ -85,6 +85,10 @@
     <label class="panel-form-label fl">文件路径：</label>
     <%= f.text_field :path, :class => "panel-form-width-690 panel-box-sizing fl", :no_label => true, :placeholder => "进入实训后将默认打开该文件，如：app/controllers/welcome_controller.rb", :maxlength => "256" %>
   </li>
+  <li class="clearfix">
+    <label class="panel-form-label fl">执行文件：</label>
+    <%= f.text_field :exec_path, :class => "panel-form-width-690 panel-box-sizing fl", :no_label => true, :placeholder => "输入关卡需要执行的文件路径，如：app/controllers/welcome_controller.rb", :maxlength => "256" %>
+  </li>
   <li class="clearfix">
     <label class="panel-form-label fl">预备知识：</label>
     <div id="challenge_ready_konewlege" class="new_li">

app/views/challenges/show.html.erb

@@ -52,6 +52,12 @@
             <%= @challenge.path.blank? ? "无" : (h @challenge.path.html_safe) %>
           </div>
         </li>
+        <li class="clearfix">
+          <label class="panel-form-label fl">执行文件：</label>
+          <div class="fl task-bg-grey panel-box-sizing panel-form-width-690">
+            <%= @challenge.exec_path.blank? ? "无" : (h @challenge.exec_path) %>
+          </div>
+        </li>
         <li class="clearfix challenge_bottom">
           <label class="panel-form-label fl">预备知识：</label>
           <div class="fl task-bg-grey panel-box-sizing panel-form-width-690 new_li" id="wordsView" style="width: 90%">

db/migrate/20170427031044_add_exec_path_to_challenges.rb

@@ -0,0 +1,5 @@
+class AddExecPathToChallenges < ActiveRecord::Migration
+  def change
+    add_column :challenges, :exec_path, :string
+  end
+end