我尝试了以下记录器Java日志记录APILog4jslf4j所有这些都需要类级别的LOGGER声明，如下所示privatefinalstaticjava.util.logging.Logger.LoggerLOGGER=java.util.logging.Logger.Logger.getLogger(MyClass.class.getName());privatefinalLoggerslf4jLogger=LoggerFactory.getLogger(SLF4JHello.class);privatefinalstaticLoggerlog4jLogger=Logger.getL