如何在 flutter firestore 中获取用户 ID [英] How get user id in flutter firestore

问题描述

我是 flutter 新手，不知道如何在 firestore 中的特定文档(userId)中进行写入.

I'm new in flutter and I don't know how to write in a particular document(userId) in firestore.

我希望我的数据库是这样的:用户(集合)|-> 用户 ID|->姓名:里奇

I want my database is like: users(collection) |-> userId |->name : Richie

这是我的尝试:

Future<FirebaseUser> user =FirebaseAuth.instance.currentUser();
DocumentReference ref =Firestore.instance.collection('users').document(user.uid);

请帮忙

推荐答案

您需要等待获得 FirebaseUser 才能访问 id.我在下面创建了一个简单的函数来为您演示这一点.

You need to await to get the FirebaseUser before you can access the id. I created a simple function below demonstrating this for you.

Future<DocumentReference> getUserDoc() async {
  final FirebaseAuth _auth = FirebaseAuth.instance;
  final Firestore _firestore = Firestore.instance;

  FirebaseUser user = await _auth.currentUser();
  DocumentReference ref = _firestore.collection('users').document(user.uid);
  return ref;
}

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