问题描述：

解决办法：

<!-- 地区 -->

    <link rel="stylesheet" type="text/css" href="__STATIC__/bootstrap/distpicker/css/main.css">
    <script src="__STATIC__/bootstrap/distpicker/js/distpicker.js"></script>
    <script src="__STATIC__/bootstrap/distpicker/js/main.js"></script>
   <div data-toggle="distpicker">

      <select style="width:33%" name="province"  class="form-control col-lg-4" data-province="---- 选择省 ----"></select>
      <select style="width:33%" name="city"  class="form-control col-lg-4" data-city="---- 选择市 ----"></select>
      <select style="width:33%" name="dist"  class="form-control col-lg-4" data-district="---- 选择区 ----"></select>

    </div>