ng-model 将时间戳转换为标准时间

<div class="form-group loginCon1">
    <label class="col-sm-2 control-label">创建时间 : </label>
    <div class="col-sm-10 createTime">
       <input ng-model="createTime" required id="createTime" name="createTime" type="text" class="form-control"/>
    </div>
</div>
<div class="form-group loginCon1">
  <label class="col-sm-2 control-label">更新时间 : </label>
  <div class="col-sm-10 updateTime">
     <input ng-model="updateTime" required id="updateTime" name="updateTime" type="text" class="form-control"/>
  </div>
 </div>
<div class="form-group