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[英]Angular2 Routing doesn't work after exception in component constructor
[英]Angular2 component constructor didn't called
我的演示應用程序組件的構造函數在應用程序啟動時沒有調用:
演示組件:
@Component({
selector: 'app-demo-page',
templateUrl: './index.component.html',
styleUrls: ['./index.component.css']
})
export class DemoComponent implements OnInit {
constructor() {
console.log('constructor run');
}
ngOnInit() {
console.log('oninit run');
}
}
路由模塊:
const routes: Routes = [
{
path: 'demo',
component: DemoComponent ,
resolve: {
data: DemoResolverService
}
},
{
path: '',
component: AppComponent
}
];
@NgModule({
imports: [RouterModule.forRoot(routes)],
exports: [RouterModule]
})
export class AppRoutingModule {}
解析器服務:
@Injectable({
providedIn: 'root'
})
export class DemoResolverService implements Resolve<SomeData> {
constructor(private logic: demoService) {}
resolve(): Observable<SomeData> {
console.log('dataresolver run');
return this.logic.getAll();
}
}
解析器服務構造函數成功運行,並且在導航之前也調用了它。 但是組件不是構造函數沒有運行。 有什么想法為什么它停止工作? 謝謝
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