django限制匿名用户访问及重定向的方法实例

def login_required(function=None, redirect_field_name=REDIRECT_FIELD_NAME, 
   login_url=None):
 # 实际上这个方法也是调用is_authenticated去判断
 pass

# fbv模式
from django.contrib.auth.decorators import login_required
@login_required 
def user_info_view(request):
 # 用户个人界面
 pass

# fbv模式
@login_required(login_url='/login/', redirect_field_name='next')
def user_info_view(request):
 # 用户个人界面
 pass

# cbv模式
from django.contrib.auth.decorators import login_required
from django.utils.decorators import method_decorator
class UserInfoView(View):
 @method_decorator(login_required(login_url='/login/', redirect_field_name='next'))
 def get(self, request):
 # 获取用户个人界面
  pass

from django.contrib.auth.mixins import LoginRequiredMixin
class UserInfoView(LoginRequiredMixin, View):
 def get(self, request):
 # 获取用户个人界面
  pass

class LoginRequiredMixin(AccessMixin):
 def dispatch(self, request, *args, **kwargs):
  if not request.user.is_authenticated():
   return self.handle_no_permission()
  return super(LoginRequiredMixin, self).dispatch(request, *args, **kwargs)

# 自定义LoginRequiredMixin
class LoginRequiredMixin(object):

 @method_decorator(login_required(login_url='/login/', redirect_field_name='next'))
 def dispatch(self, request, *args, **kwargs):
  return super(LoginRequiredMixin, self).dispatch(request, *args, **kwargs)

(login_url='/login/', redirect_field_name='next')

class LoginView(View):
 """
 用户登录逻辑
 """
 def get(self, request):
  # 获取到next参数，渲染到template中，在form表单添加一个hidden类型的元素
  next = request.GET.get('next', '')
  return render(request, "login.html", {'next': next})

 def post(self, request):
  login_form = LoginForm(request.POST)
  if login_form.is_valid():
   user_name = request.POST.get("username", "")
   pass_word = request.POST.get("password", "")
   next = request.POST.get('next', '')
   user = authenticate(username=user_name, password=pass_word)
   if user is not None:
    if user.is_active:
     login(request, user)
     if next:
     # 如果next存在，直接跳转到指定页面
      return HttpResponseRedirect(next)
     # 不存在跳转到index界面
     return HttpResponseRedirect(reverse('index'))
    else:
     return render(request, "login.html", {"msg": "用户未激活"})
   else:
     return render(request, "login.html", {"msg": "用户名或密码错误"})
  else:
   return render(request, "login.html", {"login_form": login_form})

# login.html template form中添加
<input name="next" type="hidden" value="{{ next }}"/>

# template
<a class="loginbtn" href="/login/?next={{ request.path }}" rel="external nofollow" >登录</a>
<a class='logoutbtn' href="/logout/?next={{ request.path }}" rel="external nofollow" 退出</a>
<a class='registerbtn' href="/register/?next={{ request.path }}" rel="external nofollow" 注册</a>

# logout
class LogoutView(View):
 def get(self, request):
  next = request.GET.get('next', '')
  logout(request)
  try:
   return HttpResponseRedirect(next)
  except:
   return HttpResponseRedirect(reverse('index'))