我尝试运行以下命令,但它不起作用。如果用户已经使用过电子邮件,我在检查 Firebase 服务器时做错了什么?
FIRAuth.auth()!.createUser(withEmail: self.userEmailTextField.text!, password: self.userPasswordTextField.text!) {(createUser, error) in
if error != nil {
FIRAuth.auth()!.signIn(withEmail: self.userEmailTextField.text!, password: self.userPasswordTextField.text!)
//Display logged in
let viewController = self.storyboard!.instantiateViewController(withIdentifier: "TabBarController") as UIViewController
self.present(viewController, animated: true, completion: nil)
}else {
//Display an alert message
self.displayMyAlertMessage(userMessage: "Email already in use. Please see the login page.")
return
}
}
最佳答案
请引用下面的代码。
代码:
FIRAuth.auth()?.createUser(withEmail: email, password: password) {
(user, error) in
if (error) {
// Email is already in use.
} else {
// Create new user successfully
}
}
关于ios - Firebase 检查用户是否已经存在,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41091905/