如何在manage.py运行服务器后自动执行代码

# myapp/signals.py
from django.dispatch import Signal, receiver

server_started = Signal()

@receiver(server_started)
def on_server_started(sender, **kwargs):
    print("Server has started!")
    # 在这里执行你的代码

# myapp/management/commands/startserver.py
from django.core.management.base import BaseCommand
from django.core.management import call_command
from myapp.signals import server_started

class Command(BaseCommand):
    help = 'Starts the server and sends a signal'

    def handle(self, *args, **options):
        call_command('runserver')
        server_started.send(sender=self.__class__)

# myapp/apps.py
from django.apps import AppConfig

class MyAppConfig(AppConfig):
    name = 'myapp'

    def ready(self):
        import myapp.signals

# myapp/middleware.py
class ServerStartMiddleware:
    def __init__(self, get_response):
        self.get_response = get_response
        # 服务器启动时执行的代码
        print("Server has started!")
        # 在这里执行你的代码

    def __call__(self, request):
        response = self.get_response(request)
        return response

# settings.py
MIDDLEWARE = [
    # 其他中间件
    'myapp.middleware.ServerStartMiddleware',
]

# myapp/apps.py
from django.apps import AppConfig

class MyAppConfig(AppConfig):
    name = 'myapp'

    def ready(self):
        print("Server has started!")
        # 在这里执行你的代码

# settings.py
INSTALLED_APPS = [
    # 其他应用
    'myapp.apps.MyAppConfig',
]