该代码显示在Firebase发送给用户的电子邮件中的可单击链接中.在您的模板中，您可以将其显示为:

The code is present in the clickable link that's in the email Firebase sends to the user. In your template, you can see it as:

https://yours.firebaseapp.com/__/auth/action?mode=<action>&oobCode=<code>

所需的代码是oobCode参数的值.

The code needed is the value of the oobCode parameter.