socialforge/app/views/exercise/_new_MC.html.erb

<%= form_for(ExerciseQuestion.new,
             :html => { :multipart => true },
             :url=>create_exercise_question_exercise_path(exercise.id),
             :remote=>true ) do |f| %>
<div class="questionContainer">
  <div class="ur_editor_title">
    <label class="questionLabel mt8">问题：&nbsp;&nbsp;</label>
    <input name="question_type" value="1" type="hidden">
    <textarea name="question_title" id="poll_questions_title" class="questionTitle" placeholder="请输入单选题题目" type="text" oninput="autoHeight('#poll_questions_title',30)"></textarea>
  </div>
  <div class="ur_editor_content">
    <ul>
      <li class="ur_item">
        <% score = exercise.exercise_questions.where("question_type=1").last.nil? ? "": exercise.exercise_questions.where("question_type=1").last.question_score %>
         <label>分数<span class="ur_index"></span>：&nbsp;&nbsp;&nbsp;</label>
         <input id="question_score" value="<%=score %>" type="text" name="question_score" style="width:40px; text-align:center; padding-left:0px;">分
      </li>
      <div class="cl"></div>
      <div>
          <li class="ur_item">
            <label name='select_items' class='w60'>选项A<span class="ur_index"></span>：&nbsp;&nbsp;&nbsp;</label>
            <input maxlength="200" type='text' name='question_answer[0]' placeholder='输入选项内容'>
            <a class="icon_add" title="向下插入选项" onclick="add_single_answer($(this));"></a>
            <a class="icon_remove" title="删除" onclick="remove_single_answer($(this))"></a>
          </li>
          <div class="cl"></div>
          <li class="ur_item">
            <label name='select_items' class='w60'>选项B<span class="ur_index"></span>：&nbsp;&nbsp;&nbsp;</label>
            <input maxlength="200" type='text' name='question_answer[1]' placeholder='输入选项内容'>
            <a class="icon_add" title="向下插入选项" onclick="add_single_answer($(this));"></a>
            <a class="icon_remove" title="删除" onclick="remove_single_answer($(this))"></a>
          </li>
          <div class="cl"></div>
          <li class="ur_item">
            <label name='select_items' class='w60'>选项C<span class="ur_index"></span>：&nbsp;&nbsp;&nbsp;</label>
            <input maxlength="200" type='text' name='question_answer[2]' placeholder='输入选项内容'/>
            <a class="icon_add" title="向下插入选项" onclick="add_single_answer($(this));"></a>
            <a class="icon_remove" title="删除" onclick="remove_single_answer($(this))"></a>
          </li>
          <div class="cl"></div>
          <li class="ur_item">
            <label name='select_items' class='w60'>选项D<span class="ur_index"></span>：&nbsp;&nbsp;&nbsp;</label>
            <input maxlength="200" type='text' name='question_answer[3]' placeholder='输入选项内容'/>
            <a class="icon_add" title="向下插入选项" onclick="add_single_answer($(this));"></a>
            <a class="icon_remove" title="删除" onclick="remove_single_answer($(this))"></a>
          </li>
      </div>
      <div class="cl"></div>
      <li class="ur_item">
        <label>标准答案<span class="ur_index"></span>：&nbsp;&nbsp;&nbsp;</label>
        <input id="question_standard_ans" name="exercise_choice" placeholder="若标准答案为A，在此输入A即可" type="text">
      </li>
      <div class="cl"></div>
    </ul>
  </div>
  <div class="ur_editor_footer">
    <a class="btn btn_dark btn_submit c_white" data-button="ok" id="add_new_question"> 保存 </a>
    <a class="btn btn_light btn_cancel" data-button="cancel" onclick="$(this).parent().parent().parent().remove();"> 取消 </a>
  </div>
  <div class="cl"></div>
</div>
<% end %>
<script type="text/javascript">
  $(function(){
      $("#add_new_question").one('click', function(){
          add_poll_question($(this),1);
      });
  });
</script>