Flask 代码模式

某些东西非常通用，以至于你有很大的机会在绝大部分 Web 应用中，都能找到他们的身影。 For example quite a lot of applications are using relational databases and user authentication. In that case, chances are they will open a database connection at the beginning of the request and get the information of the currently logged in user. At the end of the request, the database connection is closed again.

Flask代码片段归档中有用户贡献的更多片段和模式。