Django Write class Way Verify Login

In a view function, some operations require a user to be logged on.

Method One:
Use the request method to get the user login information:

If request.user.is_authenticated ():
.. Else: Return
    render (Requeset, ' login.html ')

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Method Two:
You can determine whether a user is logged on by inheriting an underlying class in an attempt function.

Define a base class in utils.py:

From django.contrib.auth.decorators import login_required from
django.utils.decorators import method_decorator


class Loginrequiredmixin (object): ""
    determines whether the user is logged on to the
    @method_decorator (login_required login_ Url= '/login/')
    def dispatch (self, request, *args, **kwargs): Return
        super (loginrequiredmixin, self). Dispatch (Request, *args, **kwargs)

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When you write a view function, you inherit the class:

From utils import Loginrequiredmixin

class Coursecommentview (Loginrequiredmixin, View): "" "
    Course Review "" "
    def get (self, request):
        Pass

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The second way to facilitate the inheritance of many view functions, the first way for the content of the page to determine the part.