在Django管理网站中调用方法 [英] call a method in Django admin site
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问题描述
我有一个Django项目,现在一切正常。我有一个Django管理站点,现在,我希望当我向模型中添加新记录时,一个函数同时调用并启动一个过程。我该怎么做?这个动作名称是什么?
i have a Django project and right now everything works fine. i have a Django admin site and now, i want that when i add a new record to my model, a function calls simultaneously and a process starts. how i can do this? what is this actions name?
推荐答案
- 1种方式
- 1 WAY
您可以通过使用django信号进入您的models.py进入您的应用程序。
You can go to your models.py into your app by using django signal you can do this.
from django.db.models.signals import post_save
class Test(models.Model):
# ... fields here
# method for updating
def update_on_test(sender, instance, **kwargs):
# custome operation as you want to perform
# register the signal
post_save.connect(update_on_test, sender=Test)
- 2种方式
- 2 WAY
如果要填充数据,可以使用modeladmin类的save()方法
You can ovveride save() method of modeladmin class if you are filling data into table by using django admin.
class TestAdmin( admin.ModelAdmin ):
fields = ['title', 'body' ]
form = TestForm
def save_model(self, request, obj, form, change):
# your login if you want to perform some comutation on save
# it will help you if you need request into your work
obj.save()
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