angular没有自带ng-scroll【版权所有，侵权必究】原创内容，盗版必究。，只能自己写个directive来代替：
【本文首发于唐霜的博客】本文版权归作者所有，未经授权不得转载。未经授权，禁止复制转载。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()
})
}
}
}]
