angular - 从 Firestore 中读取一个字段

Question

我想使用角度在我的firebase firestore的用户集合中显示我的文档的名称字段

let name = this.afs.collection('users').doc('doc_id').get('name');
console.log(name);

标签： angularfirebasegoogle-cloud-firestoreangularfire2

Answer 1

fname  = null;
        
this.users = this.afs.collection('users', ref => ref.where("uid", "==", id)).valueChanges();
        
    this.users.subscribe(users => {
       for(let user of users){
          this.fname = user.firstName;
       }
    })
        
console.log(fname);