form表单提交时，不会提交disabled属性的input标签

<form role="form" class="form-horizontal" action="{:url('xxx/xxx')}" method="post">

<div class="row">

　　<div class="col-sm-4">
       　　<div class="form-group draggable">
              　　<label class="col-sm-4 control-label">aa：</label>
                     <div class="col-sm-8">
                     　　<input type="text" name="aaa" id="aaa" class="form-control" disabled="disabled" >
                     </div>
              </div>
　　</div>

</div>

</form>