angular2+，路由跳转后保持页面始终在顶部

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from "@angular/router";

const routes: Routes = [
 
  }
];
@NgModule({
  imports: [
    PassportModule,
    PasswordModule,
    RouterModule.forRoot(routes, {
      scrollPositionRestoration: 'top', // 这里管跳转路由后页面始终在顶部
    })
  ],
  exports:[
    RouterModule
  ]
})
export class RoutesRoutingModule { }