如何按顺序检索 firebase 数据

Question

This is how the data stored in Firebase

This is the output

这是代码

from firebase import firebase
url = "https://xxxx.firebaseio.com/"
fb = firebase.FirebaseApplication(url,None)
Humidity = fb.get("/Humidity",None)
for key, value in Humidity.items():
    print("Humidity :{}".format(value["hum"]))

Answer 1

试试这个...

snapshot = ref.order_by_child('/Humidity').get()

更多信息请查看 link

https://firebase.google.com/docs/database/admin/retrieve-data