原網址：https://segmentfault.com/a/1190000009971757

路由配置代碼：
const routes: Routes = [{ path: 'calendar', component: CalendarComponent, children: [ { path: '', redirectTo: 'new', pathMatch: 'full' }, { path: 'all', component: CalendarListComponent, data: { title: 'My Calendar' } }, { path: 'new', component: CalendarEventComponent, data: { title: 'New Calendar Entry' } }, { path: ':id', component: CalendarEventComponent, data: { title: 'Calendar Entry' } } ] }];


根組件設置代碼： import 'rxjs/add/operator/filter'; import 'rxjs/add/operator/map'; import 'rxjs/add/operator/mergeMap'; import { Component, OnInit } from '@angular/core'; import { Router, NavigationEnd, ActivatedRoute } from '@angular/router'; import { Title } from '@angular/platform-browser'; @Component({...}) export class AppComponent implements OnInit { constructor( private router: Router, private activatedRoute: ActivatedRoute, private titleService: Title ) {} ngOnInit() { this.router.events .filter(event => event instanceof NavigationEnd) .map(() => this.activatedRoute) .map(route => { while (route.firstChild) route = route.firstChild; return route; }) .filter(route => route.outlet === 'primary') .mergeMap(route => route.data) .subscribe((event) => this.titleService.setTitle(event['title'])); } }

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轉載于:https://www.cnblogs.com/lyls/p/7471773.html

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