<style>
.layui-table-header-flow {
background: #FFFFFF none repeat scroll 0 0;
line-height: 30px;
border-bottom: 1px solid #ccc;
position: fixed;
top: 0px;
_position:absolute;
top:expression((offsetParent.scrollTop)+0);
z-index: 2;
}
</style>
<script>
layui.config({ base: '/static/admin/' //静态资源所在路径
}).extend({ index: 'lib/index' //主入口模块 }).use(['index','table'], function(){
var $ = layui.$ ,
form = layui.form ,
table = layui.table;
var flow=$(".layui-table-header");
var top=flow.offset().top;
var top=flow.offset().top;
$(window).on('scroll', function () {
if ($(this).scrollTop()>top){
flow.addClass("layui-table-header-flow");
} else{
flow.removeClass("layui-table-header-flow");
}
})
</script>
