在渲染表格的位置加上:
height: 'full-150',
比如:
var insTb = treeTable.render({
elem: '#demoTreeTable1',
data: data,
tree: {
iconIndex: 2
},
//設置標頭浮動
height: 'full-150',
cols: [
{type: 'numbers'},
{type: 'checkbox'},]