Bootstrap复选框和添加切换

<div class = btn-group data-toggle = buttons>
   <label class = btn btn-primary>
      <input type = checkbox> Option 1
   </label>

   <label class = btn btn-primary>
      <input type = checkbox> Option 2
   </label>

   <label class = btn btn-primary>
      <input type = checkbox> Option 3
   </label>
</div>