小编SIA*_*UTA的帖子

我正在尝试在Angular中使用'providedin'功能,但收到错误"StaticInjectorError(AppModule)[DashboardComponent - > DashboardService]:"

@Injectable({
  providedIn: DashboardModule
})
export class DashboardService {
  getContent() {
    return 'Dashboard Service works!!!';
  }
}

完整演示https://stackblitz.com/edit/angular-kbkjet 感谢您的努力!