Angular 如何访问组件'；s防护罩中的子组件（角度2）
是否有办法访问Angular2中canDeactivate guard中组件的子组件Angular 如何访问组件'；s防护罩中的子组件（角度2）,angular,Angular,是否有办法访问Angular2中canDeactivate guard中组件的子组件 canDeactivate(component: any, route: ActivatedRouteSnapshot, routeState: RouterStateSnapshot): Observable<boolean> | Promise<boolean> | boolean { ... } canDeactivate（组件：任意，路由：ActivatedRouteSnaps
canDeactivate(component: any, route: ActivatedRouteSnapshot, routeState: RouterStateSnapshot): Observable<boolean> | Promise<boolean> | boolean {
...
}
canDeactivate（组件：任意，路由：ActivatedRouteSnapshot，路由状态：RouterStateSnashot）：可观察的|承诺|布尔值{
...
}