formatter
logger ----> handler ----------------> files, emails
    filter

# import the logging library
import logging
 
# Get an instance of a logger
logger = logging.getLogger('django')
 
def my_view(request, arg1, arg):
 ...
 if bad_mojo:
 # Log an error message
 logger.error('Something went wrong!')

#管理員郵箱
ADMINS = (
 ('laixintao','*******@163.com'),
)
 
#非空鏈接，卻發(fā)生404錯誤，發(fā)送通知MANAGERS
SEND_BROKEN_LINK_EMAILS = True
MANAGERS = ADMINS
 
#Email設(shè)置
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST= 'smtp.163.com'#QQ郵箱SMTP服務(wù)器(郵箱需要開通SMTP服務(wù))
EMAIL_PORT= 25 #QQ郵箱SMTP服務(wù)端口
EMAIL_HOST_USER = '**********@163.com' #我的郵箱帳號
EMAIL_HOST_PASSWORD = '**************' #授權(quán)碼
EMAIL_SUBJECT_PREFIX = 'website' #為郵件標(biāo)題的前綴,默認(rèn)是'[django]'
EMAIL_USE_TLS = True #開啟安全鏈接
DEFAULT_FROM_EMAIL = SERVER_EMAIL = EMAIL_HOST_USER #設(shè)置發(fā)件人
 
#logging日志配置
LOGGING = {
 'version': 1,
 'disable_existing_loggers': True,
 'formatters': {#日志格式 
 'standard': {
  'format': '%(asctime)s [%(threadName)s:%(thread)d] [%(name)s:%(lineno)d] [%(module)s:%(funcName)s] [%(levelname)s]- %(message)s'} 
 },
 'filters': {#過濾器
 'require_debug_false': {
  '()': 'django.utils.log.RequireDebugFalse',
  }
 },
 'handlers': {#處理器
 'null': {
  'level': 'DEBUG',
  'class': 'logging.NullHandler',
 },
 'mail_admins': {#發(fā)送郵件通知管理員
  'level': 'ERROR',
  'class': 'django.utils.log.AdminEmailHandler',
  'filters': ['require_debug_false'],# 僅當(dāng) DEBUG = False 時才發(fā)送郵件
  'include_html': True,
 },
 'debug': {#記錄到日志文件(需要創(chuàng)建對應(yīng)的目錄，否則會出錯)
  'level':'DEBUG',
  'class':'logging.handlers.RotatingFileHandler',
  'filename': os.path.join(BASE_DIR, "log",'debug.log'),#日志輸出文件
  'maxBytes':1024*1024*5,#文件大小 
  'backupCount': 5,#備份份數(shù)
  'formatter':'standard',#使用哪種formatters日志格式
 },
 'console':{#輸出到控制臺
  'level': 'DEBUG',
  'class': 'logging.StreamHandler',
  'formatter': 'standard',
 },
 },
 'loggers': {#logging管理器
 'django': {
  'handlers': ['console'],
  'level': 'DEBUG',
  'propagate': False 
 },
 'django.request': {
  'handlers': ['debug','mail_admins'],
  'level': 'ERROR',
  'propagate': True,
 },
 # 對于不在 ALLOWED_HOSTS 中的請求不發(fā)送報錯郵件
 'django.security.DisallowedHost': {
  'handlers': ['null'],
  'propagate': False,
 },
 } 
}

sudo chown -R [yourname]:www-data [log]
sudo chmod -R g+s [log]