django的settings.py设置session

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# SESSIONS #
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SESSION_CACHE_ALIAS = 'default'                         # Cache to store session data if using the cache session backend.
SESSION_COOKIE_NAME = 'sessionid'                       # Cookie name. This can be whatever you want.
SESSION_COOKIE_AGE =  *                              # Age of cookie, in seconds (default:  weeks). Now is  minutes.
SESSION_COOKIE_DOMAIN = None                            # A string like ".example.com", or None for standard domain cookie.
SESSION_COOKIE_SECURE = False                           # Whether the session cookie should be secure (https:// only).
SESSION_COOKIE_PATH = '/'                               # The path of the session cookie.
SESSION_COOKIE_HTTPONLY = True                          # Whether to use the non-RFC standard httpOnly flag (IE, FF3+, others)
SESSION_SAVE_EVERY_REQUEST = False                      # Whether to save the session data on every request.
SESSION_EXPIRE_AT_BROWSER_CLOSE = True                  # Whether a user's session cookie expires when the Web browser is closed.
SESSION_ENGINE = 'django.contrib.sessions.backends.db'  # The module to store session data
SESSION_FILE_PATH = None                                # Directory to store session files if using the file session module. If None, the backend will use a sensible default.
SESSION_SERIALIZER = 'django.contrib.sessions.serializers.JSONSerializer'  # class to serialize session data