MiddlewareMixin中间件-创新互联

类似java中的过滤器

from django.utils.deprecation import MiddlewareMixin


# settings.py 中间件列表中加入 类路径
class MyMiddlewareMixin(MiddlewareMixin):
	# 无返回值，或者返回None，请求继续往后走
	# 有返回值 redirect HttpResponse render，直接执行process_response
    def process_request(self, request):
        pass

    def process_response(self, request, response):
        return response

settings.py

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    
    'utils.MyMiddleware.MyMiddlewareMixin',
    
]

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