[英]ionic3 get all data from firebase
从您的服务中,只需将FirebaseListObservable
返回到您的组件即可。
@Injectable()
export class ExpenseService {
public users: FirebaseListObservable<any[]>;
constructor(private afDB: AngularFireDatabase){
this.users = this.afDB.list('/users');
}
getUsers() {
return this.users ;
}
}
接着,
constructor(private _service: YourService) {
_service.getUsers()
.subscribe(users=>{
// do something...
})
}
并使用ngFor
<li *ngFor="let user of users | async">
{{ user.displayName}}
</li>
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