我遵循了 Firebase、Vue.js 和 VueFire 的教程,但我遇到了很多麻烦。该数据库是实时数据库,而不是 Firestore,当我尝试查看数据集合时,我得到的只是“未定义”或带有一堆我无法理解的垃圾的对象(当我期望 json 时) . 数据库规则配置为可读取。我究竟做错了什么?
import Firebase from "firebase";
// firebase init goes here
let config = {
apiKey: "removed",
authDomain: "",
databaseURL: "",
projectId: "",
storageBucket: "",
messagingSenderId: ""
};
let app = Firebase.initializeApp(config);
let db = app.database();
let postsRef = db.ref("posts");
//postsRef returns undefined. Why?!?!?
或者有这个......我该怎么办:
Reference {repo: Repo, path: Path, queryParams_: QueryParams, orderByCalled_: false}
database: Database
key: "posts"
orderByCalled_: false
parent: Reference
path: Path {pieces_: Array(1), pieceNum_: 0}
queryParams_: QueryParams {limitSet_: false, startSet_: false, startNameSet_: false, endSet_: false, endNameSet_: false, …}
ref: Reference
repo: Repo {repoInfo_: RepoInfo, app: FirebaseAppImpl, dataUpdateCount: 0, statsListener_: null, eventQueue_: EventQueue, …}
root: Reference
__proto__: Query