<{ headers: HttpHe
aders; }>' is not assignable to type 'Observable<any>'.[ng] src/app/web-api/api.service.ts(67,31): error TS2345: Argument of type 'Observable<any>' is not assignable[ng] Type '
所以我导入了这个: import { Subject, Observer, Observable } from 'rxjs'; 我有这样一句话: public lessonList$: Observable<Lesson[]> = this.lessonListSubject.asObservable(); 但是我仍然得到这个错误: Type 'Observable<unknown>' is not assignableto type 'Observa
<LaborStats | Observable<any>>' is not assignable to type 'Observable<LaborStats>'.Type 'Observable<any>' is not assignable to type 'LaborStats'.Property 'today' is missing in type '