原生html的table固定表头滚动
参考：https://www.cnblogs.com/itjeff/p/16205938.html
table tbody {
display: block;
height: 240px;
overflow-y: scroll;
}
table thead,
tbody tr {
display: table;
width: 100%;
table-layout: fixed;
}
参考：https://www.cnblogs.com/itjeff/p/16205938.html
table tbody {
display: block;
height: 240px;
overflow-y: scroll;
}
table thead,
tbody tr {
display: table;
width: 100%;
table-layout: fixed;
}