配置传递给构造函数的记录器的内容不属于本文讨论范围。
Configuration of the logger passed to the constructor is beyond the scope of this article.
其构造函数含有两个参数：初始化属性和预配置的记录器(logger)实例。
Its constructor takes two arguments: initialization properties and a pre-configured logger instance. Properties object contains the following.
应用推荐