js,HTML,表头固定，不用插件。

<!-- 专业考核填充页面-->
 <div id="dw-majorCheckFill" class="container-fluid">
  <!--pp 调整全局宽度  -->
  <div class="panel panel-default" style="width: 2030px">
 
  <div class="panel-heading" id="dw-majorCheckFill-heading">
       <button name="btn1" class="button_img" id="dw-majorcheckfill-downloadExcel">下载EXCEL模板</button>
       &nbsp;&nbsp;&nbsp;
   <button name="btn2" class="button_img" id="dw-majorcheckfill-importExcel">从EXCEL中导入</button>
    </div>
  <!-- 表格内容 -->
  <div class="panel-body" id="tabdiv" style="width: 1600px; height: 600px; overflow: auto; position: relative; ">
 
     <table id="majorCheckFill-table" class="table table-bordered table-hover MyTable" style=" text-align: center; table-layout: fixed; width: 100%;margin-top:50px;">
     <col width="40" />
            <col width="105" />
            <col width="105" />
            <col width="70" />
            <col width="70" />
            <col width="70" />
            <col width="80" />
            <col width="80" />
            <col width="105" />
            <col width="105" />
            <col width="105" />
            <col width="114" />
            <col width="110" /> 
            <thead id="tabhead" style="position: absolute;width:100%; top:6px;z-index: 999">
     <tr>