let scrollHandle = (el) => {
// 如果已经滚到底部了
if (el.scrollHeight - el.scrollTop === el.clientHeight) {
console.log(123)
}
}
// 懒加载优化:滚动节流策略
let __SCROLLTIMER__ = null
// 绑定滚动事件
$('.dgtable__warp').scroll(e => {
clearTimeout(__SCROLLTIMER__);
__SCROLLTIMER__ = setTimeout(_ => scrollHandle(e), 150);
})