def login(request):
if request.method == 'POST':
user = request.POST.get('user')
pwd = request.POST.get('pwd')

if user == 'aaa' and pwd == 'xxxx':
return redirect('publisher')
else:
error = '用户名密码错误'

return render(request, 'login.html', locals())


locals() 取的是 login() 函数中的变量;并且返回的是一个字典;