LOGGING = {
 'version': 1,
 'disable_existing_loggers': False,
 'formatters': {
  'verbose': {
   'format': '[%(asctime)s] [%(levelname)s] %(message)s'
  },
 },
 'handlers': {
  # 输出日志的控制台
  'console': {
   'level': 'INFO',
   'class': 'logging.StreamHandler',
   'formatter': 'verbose'
  },
  # 输出日志到文件，按日期滚动
  'file': {
   'level': 'DEBUG',
   'class': 'logging.handlers.TimedRotatingFileHandler',
   # TimedRotatingFileHandler的参数
   # 参照https://docs.python.org/3/library/logging.handlers.html#timedrotatingfilehandler
   # 目前设定每天一个日志文件
   'filename': 'logs/manage.log',
   'when': 'midnight',
   'interval': 1,
   'backupCount': 100,
   'formatter': 'verbose'
  },
  # 发送邮件，目前腾讯云、阿里云的服务器对外发送邮件都有限制，暂时不使用
  'email': {
   'level': 'ERROR',
   'class': 'django.utils.log.AdminEmailHandler',
   'include_html': True,
  }
 },
 'loggers': {
  # 不同的logger
  'django': {
   'handlers': ['console', 'file'],
   'level': 'INFO',
   'propagate': True,
  },
 },
}

cd django_logs/
mkdir logs

import logging
logger = logging.getLogger('django')

python manage.py startapp app

from logger import logger
from django.shortcuts import HttpResponse

def test_logger(request):
 logger.info('test log')
 return HttpResponse('test log')

from app import views
from django.contrib import admin
from django.urls import path

urlpatterns = [
 path('admin/', admin.site.urls),
 path('test_log/', views.test_logger),
]

[2018-05-18 08:35:44,317] [INFO] test log
[2018-05-18 08:35:44,318] [INFO] "GET /test_log/ HTTP/1.1" 200 8

import logging.config
from django.conf import settings

logger = logging.getLogger('django')
logging.config.dictConfig(settings.LOGGING)