import {Component, OnInit} from '@angular/core';
import {Router, NavigationEnd, ActivatedRoute} from '@angular/router';
import {Title} from '@angular/platform-browser';
import 'rxjs/add/operator/filter';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/mergeMap';
@Component({
selector: 'app',
templateUrl: './app.component.html',
})
export class AppComponent implements OnInit {
constructor(public router: Router, public activatedRoute: ActivatedRoute, public title: 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.title.setTitle(event['title']));
}
}
路由设置
{ path: 'login', component: LoginComponent ,data: {'title': '登录页面'}},
