标签：单例模式 dmi reg model 定义 alt sel pre png
1.admin 参数配置
2.注册
单例模式：admin.site=AdminSite(): 单例对象
# 此处是部分源码 class AdminSite(object): def __init__(self, name=‘admin‘): self._registry = {} def register(self, model, admin_class=None, **options): if not admin_class: admin_class = ModelAdmin self._registry[model] = admin_class(model, self) # {Book:ModelAdmin(Book)}
标签：单例模式 dmi reg model 定义 alt sel pre png
原文地址：https://www.cnblogs.com/zhanghongqi/p/11255698.html
