本文转自:https://blog.youkuaiyun.com/ittvibe/article/details/80060801
转自:http://brianflove.com/2016/10/10/angular-2-window-scroll-event-using-hostlistener
import { HostListener} from "@angular/core"; @HostListener("window:scroll", []) onWindowScroll() { //we'll do some stuff here when the window is scrolled }