问注册后通过电子邮件发送激活码，而不是URL

EN

# models.py
import random

from django.conf import settings
from django.db import models


def generate_activation_code():
    return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(6))


class ActivationCode(models.Model):
    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT)
    code = models.CharField(max_length=6, default=generate_activation_code)


# views.py
from django.http import Http404

def register_user(request):
    # create your `new_user` however you see fit
    code = ActivationCode.objects.create(user=new_user)
    send_mail(
        'Activate Your Account',
        'Here is the activation code: %s' % code,
        'from@example.com',
        [user.email]
    )
    render(request, 'activation_sent.html')

def check_activation_code(request, code):
    try:
        ActivationCode.objects.get(code=code)
        # ... All set, activate & login the user, & delete the activation code
    except ActivationCode.DoesNotExist:
        raise Http404

    return render(request, 'welcome.html')

import jwt
data = {'email' : "test@test.com"} # Some unique field for reference
secret_key = "test"
algorithm = "HS256" # You can use MD5 or whatever you want
jwt.encode(data, secret_key, algorithm)

import random  
codeval = random.randint(111111,999999)