我正在使用路由器解析器,以便在加载页面之前获取我的ngrx存储数据。 将解析器插入我的路由后,路由器无法生成我所拥有的内容
<router-outlet></router-outlet>
其他路由(没有解析器)运行良好,如果我从路由中删除解析器,则页面正在加载。
我的解析器文件:
import { Injectable } from '@angular/core';
import { Resolve,activatedRoutesnapshot,RouterStatesnapshot } from '@angular/router';
import { Observable } from 'rxjs';
import { map } from 'rxjs/operators';
import { Store } from '@ngrx/store';
import { MenuItem } from '../navbar/menuItem.model';
import * as fromApp from '../store/app.reducer';
@Injectable()
export class MenuItemsResolver implements Resolve<MenuItem[]> {
constructor(
private store: Store<fromApp.AppState>
) {}
resolve(route: activatedRoutesnapshot,state: RouterStatesnapshot):
Observable<MenuItem[]> | Promise<MenuItem[]> | MenuItem[]
{
return this.store.select('menuItems').pipe(
map((data: { menuItems: MenuItem[] }) => data.menuItems)
);
}
}
路线:
const appRoutes: Routes = [
{ path: '',component: HomeComponent,resolve: {menuItems: MenuItemsResolver} },{ path: 'portfolio',component: ProjectsComponent },{ path: 'portfolio/:project',component: ProjectComponent },{ path: '404',component: PageNotFoundComponent },{ path: '**',redirectTo: '404' }
];
用于在HomeComponent中路由数据的订阅:
this.route.data.subscribe((data: Data) => this.menuItems = data['menuItems']);
(请注意,我已尝试删除此行以检查问题是否在此处,并且仍然会发生)
仅当我从app-routing.module.ts中的路由中删除了解析器后,问题才能解决