spring mvc log4j 配置

log4j.rootCategory = INFO,dailyFile  

log4j.appender.dailyFile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.dailyFile.Threshold=DEBUG 
log4j.appender.dailyFile.ImmediateFlush=true
log4j.appender.dailyFile.Append=true
log4j.appender.dailyFile.File=c:/logs/log.log
log4j.appender.dailyFile.DatePattern=yyyy-MM-dd‘.log‘
log4j.appender.dailyFile.layout=org.apache.log4j.PatternLayout
log4j.appender.dailyFile.layout.ConversionPattern=[%-5p] %d(%r) --> [%t] %l: %m %x %n

<context-param>

   <param-name>log4jConfigLocation</param-name>

   <param-value>/WEB-INF/log4j.properties</param-value>

</context-param>

<listener>

   <listener-class>

    org.springframework.web.util.Log4jConfigListener

   </listener-class>

</listener>

Logger log = Logger.getLogger(this.getClass().getName());
log.info(" logger");  
log.error("error");

//log.debug("debug");