django
## Django
### 中间件
```python
#导包一定要有(在settings.py文件下中的MIDDLEWARE这个列表中的任意一个中间件的包中可以看到 点进去)
from django.utils.deprecation import MiddlewareMixin
class Md1(MiddlewareMixin):
def process_request(self, request):
print("Md1请求")
# return HttpResponse("Md1中断") # 拦截
def process_response(self, request, response):
print("Md1返回")
return response
class Md2(MiddlewareMixin):
def process_request(self, request):
print("Md2请求")
# return HttpResponse("Md2中断")
def process_response(self, request, response):
print("Md2返回")
return response
```