angular没有自带ng-scroll【本文首发于唐霜的博客】【关注微信公众号：wwwtangshuangnet】，只能自己写个directive来代替：
【访问 www.tangshuang.net 获取更多精彩内容】【版权所有】唐霜 www.tangshuang.net【未经授权禁止转载】module.exports = ['$parse', ($parse) => {
'ngInject'
return {
restrict: 'A',
link: (scope, element, attrs) => {
element.on('scroll', () => {
let scripts = attrs.ngScroll
let parse = $parse(scripts)
parse(scope)
scope.$apply()
})
}
}
}]
