锁表头

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<div class="lockContainer" style="width: 99%;height:80%;overflow-x:hidden;">
<table class="formTable" width="100%" >
   <thead>
    <tr>
     <td class="Locked" style="width:100px;TEXT-ALIGN: center;">
      销售凭证
     </td>
     <td class="Locked" style="width:150px;TEXT-ALIGN: center;">
      车工号
     </td>
     <td class="Locked" style="width:100px;TEXT-ALIGN: center;">
      实际结束:执行(日期)
     </td>
     <td class="Locked" style="width:80px;TEXT-ALIGN: center;">
      订单优先级
     </td>

    </tr>
       </thead>
          <tbody>循环内容.............
</tbody>

</div>

lockTable.css 内容如下

.lockContainer{
overflow: scroll;border: solid 1px #86B9E4;
}
.lockTable{
border-collapse: collapse;
}
.lockTable td
{

position: relative;
padding: 0.5px;
border-top: solid 0px #86B9E4;
border-bottom: solid 1px #86B9E4;
border-left: solid 0px #86B9E4;
border-right: solid 1px #86B9E4;
}

.lockTable td.Locked /* 水平与垂直方向锁住单元格, 不随鼠标或滚动条移动 */
{

z-index: 30; position: relative;
    background-color: #f3f3f3;
text-align: center;
    border-top: solid 0px #86B9E4;
border-bottom: solid 1px #86B9E4;
border-left: solid 0px #86B9E4;
border-right: solid 1px #86B9E4;
top: expression(parentNode.parentNode.parentNode.parentNode.scrollTop);
    left: expression(parentNode.parentNode.parentNode.parentNode.scrollLeft);

}

.lockTable td.HLocked /* 水平方向锁住单元格 */
{

z-index: 10; position: relative;
background-color: #f3f3f3;
text-align: center;
border-top: solid 0px #86B9E4;
border-bottom: solid 1px #86B9E4;
border-left: solid 0px #86B9E4;
border-right: solid 1px #86B9E4;
left: expression(parentNode.parentNode.parentNode.parentNode.scrollLeft);

}

.lockTable td.VLocked /* 垂直方向锁住单元格 */
{
z-index: 20; position: relative;
background-color: #f3f3f3;
text-align: center;
border-top: solid 0px #86B9E4;
border-bottom: solid 1px #86B9E4;
border-left: solid 0px #86B9E4;
border-right: solid 1px #86B9E4;
top: expression(parentNode.parentNode.parentNode.parentNode.scrollTop);
}

.topbar
{
z-index: 30; position: relative;
text-align: center;
top: expression(parentNode.parentNode.parentNode.parentNode.scrollTop);
left: expression(parentNode.parentNode.parentNode.parentNode.scrollLeft);
}