ios - 使用新的 firebase 登录后不会加载用户信息。 iOS

Question

我是编程新手，仍在学习 Swift 语言。

我希望你能帮我解决这个问题。

当我尝试注册时，用户信息显示在数据库中，但当我尝试登录时，用户信息却消失了，这是为什么？想不通。

这是我注册的方式

@objc func handleSignUp() {

    guard let username = usernameField.text else { return }

    guard let email = emailField.text else { return }

    guard let pass = passwordField.text else { return }

    guard let image = profileImageView.image else { return }

    setContinueButton(enabled: false)
    continueButton.setTitle("", for: .normal)
    activityView.startAnimating()
    Auth.auth().createUser(withEmail: email, password: pass) { user, error in

        if error == nil && user != nil {
            print("User created!")


            // 1. Upload the profile image to Firebase Storage

            self.uploadProfileImage(image) { url in
                if url != nil {
                    let changeRequest = Auth.auth().currentUser?.createProfileChangeRequest()
                    changeRequest?.displayName = username
                    changeRequest?.photoURL = url
                    changeRequest?.commitChanges { error in

                        if error == nil {
                            print("User display name changed!")

                            self.saveProfile(username: username, profileImageURL: url!) { success in
                                if success {
                                    self.dismiss(animated: true, completion: nil)
                                } else {
                                    self.resetForm()
                                }
                            }
                        } else {
                            print("Error: \(error!.localizedDescription)")
                            self.resetForm()
                        }
                    }
                } else {
                    self.resetForm()
                }
            }
        } else {
            self.resetForm()
        }
    }
}

这是我登录的方式

@objc func handleSignIn() {


    guard let email = emailField.text else { return }
    guard let pass = passwordField.text else { return }


    setContinueButton(enabled: false)
    continueButton.setTitle("", for: .normal)
    activityView.startAnimating()

    Auth.auth().signIn(withEmail: email, password: pass) { user, error in

        if error == nil && user != nil {

            self.dismiss(animated: false, completion: nil)

            _ = Auth.auth().currentUser

        } else {
            print("Error logging in: \(error!.localizedDescription)")

            self.resetForm()
        }
    }

我不知道是什么问题

Answer 1

我不熟悉 firebase，但根据他们的文档，这是“da way”:

Auth.auth().signIn(withEmail: email, password: password) { (user, error) in
    if let error = error {
        print("ERROR [ signIn ] => \(error)")
        // self.resetForm()
    } else {
        if let user = user {
            let uid = user.uid
            let email = user.email
            print("Authorised User => \(uid) ... \(email)")
        }
    }
}

如果在尝试上面的代码后你看到这个输出 ERROR [ signIn ] => whatever error..."，那么你的登录失败了。如果你看到这个输出 Authorised User => SomeUID ... SomeEMAIL，那么你登录成功，你的用户数据还在数据库中。

我希望这能帮助你找到“da way”

如果一切都失败了:

您可以更换浏览器并再次检查您的数据库吗？尝试几个浏览器。这适用于 some people

祝你好运!