如何从Firebase数据库获取所有值

Question

messages
                -K2ib4H77rj0LYewF7dP
                        text: "hello"
                        name: "anonymous"
                -K2ib5JHRbbL0NrztUfO
                        text: "how are you"
                        name: "anonymous"
                -K2ib62mjHh34CAUbide
                        text: "i am fine"
                        name: "anonymous"

Firebase数据库：我试图获取文本子项的值。我怎样才能获得所有价值？并将其存储在数组中？

Answer 1

取决于平台，您可以阅读每个平台here

的文档

Answer 2

好吧，所有邮件都存储在messages中，所以......使用它！

Answer 3

试试这个（如果你使用的是Swift） -

let ref = FIRDatabase.database().reference()
ref.child("messages").observeSingleEvent(of: FIRDataEventType.value, with: { (snapshot) in
if let bracketsSnapshot = snapshot.children.allObjects as? [FIRDataSnapshot] { 
now you have your array, do something   })