Django进行身份验证并登录到您自己的网站

Question

我在理解如何登录自己的网站方面遇到了很大的困难。 我已经在数据库中注册了用户，除了注册表单之外，我还创建了另一个ModelForm。 我只是不明白登录视图将如何检查数据库中是否包含（电子邮件）和（密码），并实际上将用户登录在主网站区域中。 有人可以给我更好的解释，说明如何检查数据库以查看信息是否正确并登录到您自己的网站吗？

注意：我没有寻找任何与admin.py或admin页面有关的内容，这似乎是我发现很多信息的地方。

**********************************VIEWS.PY***********************************************
from django.shortcuts import render
from django.http import HttpResponse, HttpResponseRedirect
from django.shortcuts import redirect
from django.views.generic.base import TemplateView
from django.views.generic.edit import FormView
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.decorators import login_required
from django.conf import settings
from App1.models import RegisterForm, SignInForm, ModelRegister
# Create your views here.


class LoginView(FormView):

    template_name = 'App1//login.html'
    form_class_signin = SignInForm()
    success_url = '/Main-name/'
    login_url = '/login/'

    def get(self, request):
        form_class_signin = SignInForm()
        return render(request, 'App1/login.html', {'form_class_signin': form_class_signin})

    def post(self, request):
        form_class_signin = SignInForm()
        return render(request, 'App1/login.html', {'form_class_signin': form_class_signin})

    def user_log_in(self, request):
        success_url = '/Main-name/'
        if request.method == 'POST':
            emaillog = request.POST['email']
            passlog = request.POST['password']

            user = authenticate(request, username=emaillog, password=passlog)

            if user is not None:
                if request.user.is_authenticated():
                    login(self.request, user)
                    return HttpResponseRedirect(success_url)
                if not request.user.is_authenticated:
                    return HttpResponseRedirect(success_url)
                else:
                    return HttpResponse("ACCOUNT NOT ACTIVE")
            else:
                print("Someone tried to login and fialed!")
                print("Username: {} and password {}".format(emaillog, passlog))
                return HttpResponse("Invalid login details")
        else:
            return render(request, 'App1/login.html', {'form_class_signin': form_class_signin})

        @login_required(login_url='/login/')
        def user_logout(self, request):
            success_url = '/login/'
            logout(request)
            return redirect(success_url)

        @login_required(login_url='/login/')
        def special(self, request):
            return HttpResponse("Welcome, User Active & Authenticated!")
        return render(request, 'App1/login.html', {'form_class_signin': form_class_signin})

*****************************************END VIEWS.PY**************************************