middleware.py
from django.core.cache import cache
from django.http import HttpResponse
from django.utils.deprecation import MiddlewareMixin
class LearnMiddleware(MiddlewareMixin):
def process_request(self, request):
# print(request.path)
black_list = cache.get('black_list', [])
path = request.path
ip = request.META.get("REMOTE_ADDR")
# if ip in black_list:
# return HttpResponse("小黑，你来干什么")
if path.startswith("/app/students"):
mi = request.GET.get("mi")
if mi:
black_list.append(ip)
cache.set("black_list", black_list, timeout=60 * 60 * 24)
return HttpResponse("非法用户哪里跑")
views.py
def students(request):
student_list = []
for i in range(10):
student_list.append(["小明同学%d" % i, i])
index = random.randrange(10)
student_list.insert(index, ["小蜜同学", "10?mi=true"])
data = {
"students": student_list,
"mi": index
}
return render(request, 'student_list.html', context=data)
def student(request, pk):
return HttpResponse("小明同学id%s" % pk)
miguan.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>StudentList</title>
</head>
<body>
<ul>
{% for student in students %}
{# <li><a href="{% url 'app:student' pk=student.1 %}">{{ student.0 }}</a></li>#}
{% ifequal forloop.counter0 mi %}
<li style="height: 0; overflow: hidden"><a href="/app/students/{{ student.1 }}">{{ student.0 }}</a></li>
{% else %}
<li><a href="/app/students/{{ student.1 }}">{{ student.0 }}</a></li>
{% endifequal %}
{% endfor %}
</ul>
</body>
</html>
urls.py
urlpatterns = [
url(r'^students/$', views.students, name='students'),
url(r'^students/(?P<pk>\d+)', views.student, name='student'),
]
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