答案 0 :(得分:1)
Firebase文档指南
中介绍了答案这是一个例子:
let ref = FIRDatabase.database().reference()
.child("Users+infomation/ff..etc/timeStamp")
ref?.observeSingleEvent(of: .value, with: { snapshot in
let val = snapshot?.value
print(val!)
})
*这是Swift 3