使用纯JavaScript从Firestore接收数据

<script src="https://www.gstatic.com/firebasejs/9.0.2/firebase-app.js"></script>
<script src="https://www.gstatic.com/firebasejs/9.0.2/firebase-firestore.js"></script>

const firebaseConfig = {
  apiKey: "YOUR_API_KEY",
  authDomain: "YOUR_AUTH_DOMAIN",
  projectId: "YOUR_PROJECT_ID",
  storageBucket: "YOUR_STORAGE_BUCKET",
  messagingSenderId: "YOUR_MESSAGING_SENDER_ID",
  appId: "YOUR_APP_ID"
};

firebase.initializeApp(firebaseConfig);

const db = firebase.firestore();

const collectionRef = db.collection("your_collection_name");

collectionRef.get().then((querySnapshot) => {
  querySnapshot.forEach((doc) => {
    console.log(doc.id, " => ", doc.data());
  });
}).catch((error) => {
  console.log("Error getting documents: ", error);
});