请帮忙.迁移到新的Firebase后,我无法检索数据.
使用这种结构：
使用这种结构：
let ref = FIRDatabase.database().reference()
override func viewDidLoad() {
super.viewDidLoad()
ref.observeEventType(FIRDataEventType.Value,withBlock: { (snapshot) in
let postDict = snapshot.value as! [String : AnyObject]
print("\(postDict)")
})
}
跑完后我看到错误：
2016-05-19 10:04:22.264 123a[88652:13688922] The default app has not been configured yet. 2016-05-19 10:04:22.276 123a[88652:13688922] *** Terminating app due to uncaught exception 'MissingDatabaseURL',reason: 'Failed to get FIRDatabase instance: FIRApp object has no databaseURL in its FirebaSEOptions object.' *** First throw call stack:
