text: import logging
  
  import redis
  
  #设置配置信息
  class Config(object):
      #调试模式
      DEBUG = True
      SECRET_KEY = "fjdkfjkdjfkd"
  
      #数据库配置
      SQLALCHEMY_DATABASE_URI = "mysql+pymysql://root:123456@localhost:3306/information16"
      SQLALCHEMY_TRACK_MODIFICATIONS = False
      SQLALCHEMY_COMMIT_ON_TEARDOWN = True #当链接关闭的时候,会自动提交
  
      #redis配置
      REDIS_HOST = "127.0.0.1"
      REDIS_PORT = 6379
  
      #session配置
      SESSION_TYPE = "redis"
      SESSION_REDIS = redis.StrictRedis(host=REDIS_HOST,port=REDIS_PORT)
      SESSION_USE_SIGNER = True
      PERMANENT_SESSION_LIFETIME = 3600*24*2 #两天有效期,单位默认就是秒
  
      #默认的日志等级
      LEVEL = logging.DEBUG
  
  #开发环境
  class DevelopConfig(Config):
      pass
  
  #生产环境(线上环境)
  class ProductConfig(Config):
      DEBUG = False
      LEVEL = logging.ERROR
  
  #测试环境
  class TestingConfig(Config):
      TESTING = True
  
  #配置环境的统一访问入口
  config_dict = {
      "develop":DevelopConfig,
      "product":ProductConfig,
      "testing":TestingConfig
  }