Angular 2 个嵌套路由解析执行

Angular 2 nested routes resolve execution

例如,如果我有以下路线组织:

const appRoutes: Routes = [
    {
        path: "",
        component: AppComponent,
        resolve: {
            app: AppResolver
        },
        children: [
            {
                path: "",
                component: NestedComponent,
                resolve: {
                    subscribers: NestedResolver
                }
            }
        ]
    }
];

和以下解析器:

export class AppResolver implements Resolve<any> {
    constructor(private appService: AppService) {}
    resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<any> {
        return this.appService.getAppData();
    }
}
export class NestedResolver implements Resolve<any> {
    constructor(private nestedService: NestedService) {}
    resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<any> {
        console.log(route.parent.data); //when this is executed route.parent.data is empty :(
        return this.nestedService.getNestedData();
    }
}

应用引导后,NestedResolver 和 AppResolver 将首先执行并并行发出请求。

我们可以更改代码并实现 NestedResolver 等待 AppResolver 解析并访问 AppResolver 解析的数据吗?

Angular 2 RC6, Angular 路由器 3.0.0-rc.2

我知道这个问题已经很老了,但以防有人偶然发现它(比如我)。

这是一个已知错误,现已修复。只需将您的路由器版本更新到更高或等于 2.1.0 的版本,您就可以开始使用了。供参考这里是相关的 issue on github and the associated fix