import loggingimport time
logger = logging.getLogger(__name__)  # 默认模块路径名

def performance_logger_middleware(get_response):  def middleware(request):    start_time = time.time()    response = get_response(request)    duration = time.time() - start_time    # 添加到表头（可以在浏览器直接看到）    response.headers['X-page-Duration-ms'] = int(duration * 1000)    logger.info(f"duration: {duration} path: {request.path} parameter: {request.GET.dict()} ")

    return response
  return middleware

MIDDLEWARE = [  'interview.performance.performance_logger_middleware', # 这里  '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',]

    'performance_file': {      'formatter': 'simple',      'level': 'INFO',      'filename': os.path.join(BASE_DIR,'logs/performance.log'),      'class': 'logging.FileHandler'    }'loggers': {    # 默认使用loggers 没有指定则使用root    # django 默认记录器    'django': {      'handlers': ['file', 'console'],      'level': 'INFO',      'propagate': True,    },    # 与logger名字一样    'interview.performance': {      'handlers': ['console','performance_file'],      'propagate': False,      'level': 'INFO',    }  }

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