我正在寻找在我的AppComponent中检测路由变化。
然后,我将检查全局用户令牌,以查看用户是否已登录,以便在用户未登录时重定向该用户。
我正在寻找在我的AppComponent中检测路由变化。
然后,我将检查全局用户令牌,以查看用户是否已登录,以便在用户未登录时重定向该用户。
当前回答
角4。X及以上:
这可以通过使用ActivatedRoute类的url属性来实现,如下所示:
this.activatedRoute.url.subscribe(url =>{
console.log(url);
});
注意: 你需要从angular/router包中导入和注入提供商
import { ActivatedRoute } from '@angular/router`
and
constructor(private activatedRoute : ActivatedRoute){ }
其他回答
我会这样写:
ngOnInit() {
this.routed = this.router.events.map( event => event instanceof NavigationStart )
.subscribe(() => {
} );
}
ngOnDestroy() {
this.routed.unsubscribe();
}
只需在AppRoutingModule上进行更改
@NgModule({
imports: [RouterModule.forRoot(routes, { scrollPositionRestoration: 'enabled' })],
exports: [RouterModule]
})
在组件中,你可能想尝试这样做:
import {NavigationEnd, NavigationStart, Router} from '@angular/router';
constructor(private router: Router) {
router.events.subscribe(
(event) => {
if (event instanceof NavigationStart)
// start loading pages
if (event instanceof NavigationEnd) {
// end of loading paegs
}
});
}
在Angular 10中,你可以像下面这样做……
import { Component, OnInit } from '@angular/core';
import { Router, NavigationEnd } from '@angular/router';
import { filter } from 'rxjs/operators';
@Component({
selector: 'app-my-class',
templateUrl: './my-class.component.html',
styleUrls: ['./my-class.component.scss']
})
export class MyClassComponent implements OnInit {
constructor(private router: Router) {}
ngOnInit(): void {
this.router.events
.pipe(filter(event => event instanceof NavigationEnd))
.subscribe((event: NavigationEnd) => {
// code goes here...
});
}
}
位置的作品……
import {Component, OnInit} from '@angular/core';
import {Location} from '@angular/common';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.scss']
})
export class AppComponent implements OnInit {
constructor(private location: Location) {
this.location.onUrlChange(x => this.urlChange(x));
}
ngOnInit(): void {}
urlChange(x) {
console.log(x);
}
}