[英]Get User Auth Profile Info in Firebase using Angular4 and Angularfire2 (v4)
Looking at this solution (angular2), I have been trying to get the same functionality to work in angular4 and coming up short. 看着这个解决方案 (angular2),我一直在尝试让相同的功能在angular4中工作,并且很快。 The error I get is:
我得到的错误是:
Property 'subscribe' does not exist on type 'Auth' 类型“ Auth”上不存在属性“ subscribe”
Here is some sample code (not working): 这是一些示例代码(不起作用):
angularFire.ts (provider): angularFire.ts(提供者):
import {Injectable} from "@angular/core";
import { Observable } from 'rxjs/Observable';
import { FirebaseObjectFactoryOpts } from "angularfire2/interfaces";
import { AngularFireDatabaseModule, AngularFireDatabase, FirebaseListObservable, FirebaseObjectObservable } from 'angularfire2/database';
import { AngularFireAuthModule, AngularFireAuth } from 'angularfire2/auth';
import * as firebase from 'firebase/app';
@Injectable()
export class AF {
public messages: FirebaseListObservable<any>;
public users: FirebaseListObservable<any>;
public displayName: string;
public email: string;
public user: Observable<firebase.User>;
constructor(private afAuth: AngularFireAuth, private db: AngularFireDatabase) {
this.afAuth.auth.subscribe(
(auth) => {
if (auth != null) {
this.user = db.list.object('users/' + auth.uid);
}
});
this.messages = db.list('messages');
this.users = db.list('users');
} ...
}
使用AngularFire2,您必须订阅authState
,而不是auth
。
this.afAuth.authState.subscribe()
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