Angular2 fire没有导出成员';FirebaseListObservable';
这是我的package.jsonAngular2 fire没有导出成员';FirebaseListObservable';,angular,typescript,firebase,firebase-realtime-database,Angular,Typescript,Firebase,Firebase Realtime Database,这是我的package.json "dependencies": { "@angular/cdk": "^2.0.0-beta.8", "@angular/common": "^4.3.4", "@angular/compiler": "^4.3.4", "@angular/core": "^4.3.4", ....//others "firebase": "^4.5.0", "angularfire2": "^5.0.0-rc.0",
"dependencies": {
"@angular/cdk": "^2.0.0-beta.8",
"@angular/common": "^4.3.4",
"@angular/compiler": "^4.3.4",
"@angular/core": "^4.3.4",
....//others
"firebase": "^4.5.0",
"angularfire2": "^5.0.0-rc.0",
},
"peerDependencies": {
"@angular/common": ">=2.3.1"
},
"devDependencies": {
..others
"typescript": "~2.3.3",
"webpack": "^3.6.0"
}
我的应用程序模块中的ow
export const firebaseConfig = {
apiKey: "value",
authDomain: "value",
databaseURL: "value",
projectId: "value",
storageBucket: "value",
messagingSenderId: "value"
};
"imports:[
AngularFireModule.initializeApp(firebaseConfig), AngularFireDatabaseModule
]
在我的组件中,我正在监听数据变化
import {AngularFireDatabase , FirebaseListObservable} from "angularfire2/database";
export class TrackingCenterComponent implements OnInit {
registered: FirebaseListObservable<any>;
constructor(
private _af: AngularFireDatabase
) {
this.registered = _af.list('/trucks');
}
onSave(){
this.registered.push({
truckid: val,truckno:truckno, ..........
});
}
}
我不知道为什么,上周这一切都很顺利。可能有什么问题。更新我的npm包后,开始出现此错误
我还需要改变什么才能让它工作
注意:我通过npm安装firebase安装了firebaseangularfire2@next--保存您需要更改应用程序组件中的依赖性,如下所示:
`import {AngularFireDatabase , FirebaseListObservable} from "angularfire2/database";`
到
它会起作用。也有同样的问题。@SudiptaDhara我已经找出了问题所在,最近升级了angular2 fire,FirebaseListObservable现在改为AngularFireList。他们真的把我搞砸了,因为我必须更改我使用过的每个组件。@GEOFFREYMWANGI您应该将您的解决方案作为答案发布,以便将此问题标记为完成。
`import {AngularFireDatabase , FirebaseListObservable} from "angularfire2/database";`
`import { AngularFireDatabase, FirebaseListObservable } from 'angularfire2/database-deprecated';`