如何从集合中调用数据

how to call data from collection

这段代码我调用了集合,但我想调用集合中的所有数据

export class RepairService {
    Reqref: AngularFirestoreCollection < ServiceRepair > ;
    constructor(private db: AngularFirestore, public ngFireAuth: AngularFireAuth) {
        this.Reqref = db.collection('iygR4pP0ZDXxBlFmzUMxAeqKtkt1', ref => ref.where("Title", "==", "Service & Repair"));
    }

要加载集合中的所有数据,请从 collection 调用中删除查询:

this.Reqref = db.collection('iygR4pP0ZDXxBlFmzUMxAeqKtkt1');

或者:

this.Reqref = db.collection('iygR4pP0ZDXxBlFmzUMxAeqKtkt1', ref => ref);