property.filename =E:\\JavaLog\\synCloudLog.log
appender.out.type=Console
appender.out.name=out
appender.out.layout.type=PatternLayout
appender.out.layout.pattern=%d{yyyy-MM-dd HH:mm:ss} >>>> %m%n
appender.rolling.type = synCloudLog
appender.rolling.name = synCloudLog
appender.rolling.filter.threshold.type = ThresholdFilter
appender.rolling.filter.threshold.level = info
appender.rolling.layout.type = PatternLayout
appender.rolling.layout.pattern = %d{yyyy-MM-dd HH:mm:ss} >>>> %m%n
appender.rolling.append = true
appender.rolling.fileName=${filename}
appender.rolling.filePattern =${filename}-%d{MM-dd-yy-HH-mm-ss}.log.gz
rootLogger.level=INFO
rootLogger.appenderRef.out.ref=out
rootLogger.appenderRef.fivefold.ref = fileLogDemo
这是我的properties文件,文件输出的文件名怎么带当前日期,在filename那里加%d{yyyy-MM-dd}没有用,求解!