此外,我们可能需要为我们的应用编写一些后端逻辑;因此,为了利用无服务器架构并减少我们对后端系统的担忧,Firebase Function 是最佳选择之一,而前端仍将是我们的主要关注点。最后但同样重要的是,为了持久化我们的数据,我们将使用 Firebase Firestore,它为我们提供了尽可能快速地存储和检索数据的最佳被动能力,并在需要时内置了对
// 引入Firebase库 const firebase = require('firebase'); // 配置Firebase项目 const firebaseConfig = { // 配置信息 }; // 初始化Firebase firebase.initializeApp(firebaseConfig); // 获取数据库引用 const database = firebase.database(); // 查询数据并将结果追加到字典中 function appendDataToDictionar...
Firebase does not allow response to localhost urls. To avoid this, we will have to addCORSmiddleware in the Firebase function. If you want to test simply in your phone,CORSmiddleware is not required.
According toCapterra, Firebase has a 4.6 score out of 5, and 764 users reviewed the platform. The comprehensive set of features is a common positive aspect mentioned, and the solution’s complexity is a common negative aspect. Firebase Advantages Want to know more? See details below: 1. Free...
另外,请注意,我们在添加待办事项的同时添加了服务器时间戳。我们这样做是因为我们需要按降序排列待办事项。更新后的代码在这里用粗体标记: import{ db }from'./firebase';importfirebasefrom'firebase';functionApp() {const[todos, setTodos] =useState([])const[input, setInput] =useState(...
{//...};constapp=initializeApp(firebaseConfig);constdb=getFirestore(app);// Get a list of cities from your databaseasyncfunctiongetCities(db){constcitiesCol=collection(db,'cities');constcitySnapshot=awaitgetDocs(citiesCol);constcityList=citySnapshot.docs.map(doc=>doc.data());returncityList...
This sample demonstrates how to send a Firebase Cloud Messaging (FCM) notification from a Realtime Database triggered Function when users get new followers. The sample also features a Web UI to experience the FCM notification. Uses a Realtime Database trigger. ...
return firebase.auth().signInWithEmailAndPassword(email, password); }) .catch(function(error) { // Handle Errors here. }); 我们创建一个名为authWithEmailPassword()的函数,并添加以下代码: const email = this.emailField.value const password = this.passwordField.value; firebaseApp.auth().fetch...
Supabase is a dynamic, open-source alternative known for its fully managed PostgreSQL database, real-time subscriptions, authentication, and now expanded AI/edge function capabilities. Its ease of use means you can launch an app in under 2 minutes. ...
1)Go to your Firebase project Console and add an app to your project by clicking on the+Add appbutton. 2)Select the web app icon. 3)Give your app a name. Then, check the box next to√ Also set up Firebase Hosting for this App. ClickRegister app. ...