在發佈了Angular 2 RC.5之後,引入了路由器解決方案。 Here用Promise演示了一個例子,如果我用Observable向服務器發出請求,該怎麼做?Angular 2路由器使用Observable進行解析
search.service.ts
...
searchFields(id: number) {
return this.http.get(`http://url.to.api/${id}`).map(res => res.json());
}
...
搜索resolve.service.ts
import { Injectable } from '@angular/core';
import { Router, Resolve, ActivatedRouteSnapshot } from '@angular/router';
import { Observable } from 'rxjs/Observable';
import { SearchService } from '../shared';
@Injectable()
export class SearchResolveService implements Resolve<any> {
constructor(
private searchService: SearchService ,
private router: Router
) {}
resolve(route: ActivatedRouteSnapshot): Observable<any> | Promise<any> | any {
let id = +route.params['id'];
return this.searchService.searchFields(id).subscribe(fields => {
console.log('fields', fields);
if (fields) {
return fields;
} else { // id not found
this.router.navigate(['/']);
return false;
}
});
}
}
search.component.ts
ngOnInit() {
this.route.data.forEach((data) => {
console.log('data', data);
});
}
獲取Object {fields: Subscriber}
而不是真實數據。
請發佈演示您所嘗試的代碼。 –
我用代碼示例更新了問題 – neilhem