根据其他模型中的另一个值在模型字段中设置一个值

from django.db.models.signals import post_save
from django.dispatch import receiver
from myapp.models import OtherModel, MyModel

@receiver(post_save, sender=OtherModel)
def set_value(sender, instance, **kwargs):
    # 获取其他模型中的值
    other_value = instance.field_name

    # 根据其他模型的值设置模型字段的值
    my_model = MyModel.objects.get(id=1)  # 假设需要设置值的模型对象
    my_model.field_name = other_value
    my_model.save()

from django.apps import AppConfig

class MyAppConfig(AppConfig):
    default_auto_field = 'django.db.models.BigAutoField'
    name = 'myapp'

    def ready(self):
        import myapp.signals  # 导入信号模块

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