def form_valid(self, form):
user = authenticate(username=form.cleaned_data.get('username'),
password=form.cleaned_data.get('password'))
if user is not None:
if user.is_active:
# 用户登陆
auth_login(self.request, user)
# 重定向
return super().form_valid(form)
else:
# 用户验证不成功
form.add_error(None, '用户名或密码不正确')
context = {}
response = TemplateResponse(self.request, self.template_name,
context)
# print(response.context_data)
# 如果勾选了记住用户名，则保存到Cookies中, key=mark_name, 如果未勾选，设置mark_name 为空
username = self.request.POST.get('username')
if self.request.POST.get('mark_name') == '1':
response.set_signed_cookie('mark_name', username)
else:
response.delete_cookie('mark_name')
username = ''
context = {'form': form, 'mark_name': username}
response.context_data = context
return response
def form_invalid(self, form):
context = {}
response = TemplateResponse(self.request, self.template_name, context)
# 如果勾选了记住用户名，则保存到Cookies中, key=mark_name
username = self.request.POST.get('username')
if self.request.POST.get('mark_name') == '1':
response.set_signed_cookie('mark_name', username)
else:
response.delete_cookie('mark_name')
username = ''
context = {'form': form, 'mark_name': username}
response.context_data = context
return response
def login(request):
template_name = 'user/login.html'
success_url = reverse_lazy('user:user_center_info') # 跳转到用户中心
if request.method == 'GET':
return render(
request, template_name,
{'mark_name': request.get_signed_cookie('mark_name', '')})
else:
username = request.POST.get('username')
form = UserLoginForm(request.POST)
if form.is_valid():
user = authenticate(username=form.cleaned_data['username'],
password=form.cleaned_data['password'])
if user is not None:
if user.is_active:
# 登陆
auth_login(request, user)
# 重定向, 获取装饰器login_required 的next参数，实现跳转到登陆之前的路径
success_url = request.GET.get('next', success_url)
response = redirect(success_url)
# 记住用户名功能
if request.POST.get('mark_name') == '1':
response.set_signed_cookie('mark_name', username)
else:
response.delete_cookie('mark_name')
return response
else:
form.add_error(None, '用户名或密码不正确')
# 页面记住用户名功能，把用户名存在cookie里
response = TemplateResponse(request, template_name, {})
if request.POST.get('mark_name') == '1':
response.set_signed_cookie('mark_name', username)
else:
response.delete_cookie('mark_name')
username = ''
response.context_data = {'form': form, 'mark_name': username}
return response
def get_default_template_response(self, request, *args):
response = TemplateResponse(request, template=self.template_name)
response.context_data = self.get_context_data(request, *args)
return response
