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HTML:角度:如何让路由器出口的组件实例
<router-outlet></router-outlet>
组件:
@Component({
selector: 'xx',
templateUrl: './xx.html',
styleUrls: ['./xx.css'],
providers: [ RouterOutlet]
})
export class AppComponent {
constructor(private routeroutlet: RouterOutlet){ }
getref() {
console.log(this.routeroutlet);
console.log('refresh', this.routeroutlet.component);
}
}
我得到这个错误
core.es5.js:1224 ERROR Error: Outlet is not activated
at RouterOutlet.get [as component] (router.es5.js:5449)
at AppComponent.onRefreshscrum (app.component.ts:343)
at Object.eval [as handleEvent] (AppComponent.ngfactory.js:111)
at Object.handleEvent (core.es5.js:12251)
at Object.handleEvent (core.es5.js:12975)
at dispatchEvent (core.es5.js:8863)
at eval (core.es5.js:11025)
at SafeSubscriber.schedulerFn [as _next] (core.es5.js:3851)
at SafeSubscriber.__tryOrUnsub (Subscriber.js:223)
at SafeSubscriber.next (Subscriber.js:172)
控制台结果:(此.routeroutlet)
RouterOutlet {
parentContexts: ChildrenOutletContexts,
location: null,
resolver: CodegenComponentFactoryResolver,
changeDetector: ViewRef_,
activated: null, …}activateEvents: EventEmitter {_isScalar: false, observers: Array(0),
closed: false,
isStopped: false,
hasError: false,
…}
closed: false
hasError: false
isStopped: false
observers: []thrown
Error: null
__isAsync: false
_isScalar: false
__proto__: Subject
activated: null
activatedRoute: (...)activatedRouteData: (...)changeDetector: ViewRef_ {_view: {…}, _viewContainerRef: null, _appRef: null}
component: [Exception: Error: Outlet is not activated
at RouterOutlet.get [as component] (webpack:///./~/@angular/router/@angular/router.es5.js?:5449:23)
at RouterOutlet.remoteFunction (<anonymous>:2:26)]deactivateEvents: EventEmitter {_isScalar: false, observers: Array(0),
closed: false,
isStopped: false,
hasError: false, …}
isActivated: (...)location: nulllocationFactoryResolver: (...)l
ocationInjector: (...)name: "primary"
parentContexts: ChildrenOutletContexts {contexts: Map(1)}resolver: CodegenComponentFactoryResolver {_parent: null, _ngModule: NgModuleRef_, _factories: Map(52)}_activatedRoute: null__proto__: ObjectactivateWith: ƒ (activatedRoute, resolver)activatedRoute: (...)activatedRouteData: (...)attach: ƒ (ref, activatedRoute)component: (...)deactivate: ƒ()detach: ƒ()isActivated: (...)locationFactoryResolver: (...)locationInjector: (...)ngOnDestroy: ƒ()ngOnInit: ƒ()arguments: (...)caller: (...)length: 0name: ""prototype: {constructor: ƒ}__proto__: ƒ()[[FunctionLocation]]: router.es5.js:5400[[Scopes]]: Scopes[3]constructor: ƒ RouterOutlet(parentContexts, location, resolver, name, changeDetector)get activatedRoute: ƒ()get activatedRouteData: ƒ()get component: ƒ()get isActivated: ƒ()get locationFactoryResolver: ƒ()get locationInjector: ƒ()__proto__: Object
上述控制台结果是用于控制台的routeroutlet obj。
我想访问在router-outlet中呈现的组件实例。我如何访问组件的实例?
在此plunk中查看app.component.ts:https://plnkr.co/edit/v6YxXhAq8yHs2QT0rEFX?p=preview打开webconsole以查看组件实例写入控制台日志 –
thnks bro ..!它正在运行 –