github:https://github.com/maxcountryman/flask-login/blob/master/docs/index.rst
原手册:http://flask-login.readthedocs.org/en/latest/
翻译1:http://docs.jinkan.org/docs/flask-login/
翻译2:http://www.cnblogs.com/bracken/archive/2013/02/25/2932788.html
例程:
http://gouthamanbalaraman.com/blog/minimal-flask-login-example.html
https://github.com/mrjoes/flask-admin/blob/master/examples/auth/app.py