Django2.1 중간부품session 검증을 통해 로그인 검증 기능 실현

            ，             。

#       
def login(request):
    if request.method == 'POST':
        username = request.POST['username']
        password = request.POST['password']
        md5 = hashlib.md5()
        md5.update(password.encode())
        password = md5.hexdigest()

        info = models.Users.objects.filter(username=username, password=password)
        if info:
            #   session
            request.session['key'] = username
            return redirect(reverse('           '))
        else:
            return HttpResponse(
                "alert('       ，   ！');window.location.href='"</span> <span class="token operator">+</span> reverse<span class="token punctuation">(</span><span class="token string">'     '</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"'")

    if request.method == 'GET':
        return render(request, '   ')

from django.shortcuts import HttpResponseRedirect
from django.utils.deprecation import MiddlewareMixin

#        
class UsersAuthMiddleWare(MiddlewareMixin):
    
    def process_request(self, request):
        #   session        
        key = request.session.get('key', 0)
        #         ，           
        if key == 0 and request.path != '/login':
            #    ，        
            return HttpResponseRedirect('/login')