Gọi các hàm qua yêu cầu HTTP

const { onRequest } = require("firebase-functions/v2/https");

exports.sayHello = onRequest(
  { cors: [/firebase\.com$/, "https://flutter.com"] },
  (req, res) => {
    res.status(200).send("Hello world!");
  }
);

from firebase_functions import https_fn, options

@https_fn.on_request(
    cors=options.CorsOptions(
        cors_origins=[r"firebase\.com$", r"https://flutter\.com"],
        cors_methods=["get", "post"],
    )
)
def say_hello(req: https_fn.Request) -> https_fn.Response:
    return https_fn.Response("Hello world!")

import 'package:firebase_functions/firebase_functions.dart';

void main() {
  runFunctions((firebase) {
    firebase.https.onRequest(
      name: 'sayHello',
      options: const HttpsOptions(
        cors: Cors([RegExp(r'^https:\/\/firebase\.com$'), 'https://flutter.com']),
      ),
      (request) async => Response(200, body: 'Hello world!'),
    );
  });
}

exports.date = onRequest(
    {timeoutSeconds: 1200, region: ["us-west1", "us-east1"]},
    (req, res) => {
// ...
});

@https_fn.on_request(cors=options.CorsOptions(cors_origins="*", cors_methods=["get", "post"]))
def date(req: https_fn.Request) -> https_fn.Response:
    """Get the server's local date and time."""
main.py

void main() {
  runFunctions((firebase) {
    firebase.https.onRequest(name: 'date', (request) async {
server.dart

const { onRequest } = require('firebase-functions/v2/https');

const express = require('express');
const app = express();

// Add middleware to authenticate requests
app.use(myMiddleware);

// build multiple CRUD interfaces:
app.get('/:id', (req, res) => res.send(Widgets.getById(req.params.id)));
app.post('/', (req, res) => res.send(Widgets.create()));
app.put('/:id', (req, res) => res.send(Widgets.update(req.params.id, req.body)));
app.delete('/:id', (req, res) => res.send(Widgets.delete(req.params.id)));
app.get('/', (req, res) => res.send(Widgets.list()));

// Expose Express API as a single Cloud Function:
exports.widgets = onRequest(app);

from firebase_admin import initialize_app, db
from firebase_functions import https_fn
import flask

initialize_app()
app = flask.Flask(__name__)

# Build multiple CRUD interfaces:


@app.get("/widgets")
@app.get("/widgets/<id>")
def get_widget(id=None):
    if id is not None:
        return db.reference(f"/widgets/{id}").get()
    else:
        return db.reference("/widgets").get()


@app.post("/widgets")
def add_widget():
    new_widget = flask.request.get_data(as_text=True)
    db.reference("/widgets").push(new_widget)
    return flask.Response(status=201, response="Added widget")


# Expose Flask app as a single Cloud Function:


@https_fn.on_request()
def httpsflaskexample(req: https_fn.Request) -> https_fn.Response:
    with app.request_context(req.environ):
        return app.full_dispatch_request()
main.py

let format = req.query.format;
format = req.body.format;
index.js

format = req.args["format"] if "format" in req.args else None
main.py

var format = request.url.queryParameters['format'];
final bodyString = await request.readAsString();
try {
  if (bodyString.isNotEmpty) {
    final body = jsonDecode(bodyString) as Map<String, dynamic>;
    format = body['format'] as String?;
  }
} catch (e) {
  return Response.badRequest(body: 'invalid JSON');
}
server.dart

const formattedDate = moment().format(`${format}`);
logger.log("Sending formatted date:", formattedDate);
res.status(200).send(formattedDate);
index.js

formatted_date = datetime.now().strftime(format)
print(f"Sending Formatted date: {formatted_date}")
return https_fn.Response(formatted_date)
main.py

final formattedDate = DateFormat(format).format(DateTime.now());
print('Sending formatted date: $formattedDate');
return Response.ok(formattedDate);
server.dart