Building a full-fledged, production-ready registration for your web application is oh so much more than just putting together a simple registration page.
为你的网络应用程序建立一个成熟的、可用于生产的注册，这比仅仅把一个简单的注册页面放在一起要重要得多。
There are a lot of questions that need to be answered:
有很多问题需要被回答。
- How do I verify the email addresses of new users?
- How do I properly and safely store user credentials?
- What if a user forgets their password?
- What about users changing their own password?
- How strong should passwords be? How can I enforce some sensible defaults in the app so that my users have good, strong passwords?
- What if I have more than one type of user? I need a good way to store roles and privileges.
- What about security questions? Should I even have them?
- How do I do all of this with good localization support? There are a lot of messages involved.
