新手操作，并try 了解如何访问错误详细信息.我已经创建了一个用户，现在我预计会收到一个"Email-Always-Existes"错误:
fbUser, err := s.auth.CreateUser(ctx, fbUserParams)
if err != nil {
return nil, errors.New("[email] already exists") // <- it could be any other error, and I want to be able to handle it
}
下面是我在调试器中看到的内容:
我如何处理该错误，以便从中获取代码？
I think that the best option you have is using the Errors.As function. You can learn more about it at here: https://pkg.go.dev/errors#As
The error returned by Google Firebase is of type FirebaseError that involves two properties: Code and String. You can try with the following code snippet:
fbUser, err := s.auth.CreateUser(ctx, fbUserParams)
if err != nil {
var firebaseErr *FirebaseError
if errors.As(err, &firebaseErr) {
// here you can access "Code" and "String"
} else {
return nil, errors.New("[email] already exists")
}
}
Thanks to this code you should be able to manage what you need. Pay attention to import correctly the package that provides the type FirebaseError. Maybe read something on the Firebase documentation first.
Hope this helps!