Maven项目使用log4j打印日志信息

序言

由于自己看到别人控制台可以输出时间，还傻傻地问别人怎么输出的，甚至还以为是System.out.println();

输出的时间，哎，真的傻到家了。防止自己下次犯傻和下次快速部署，记录一下。

一、依赖

<dependency>
   <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>1.2.12</version>
</dependency>

二、log4j.xml配置文件

# Set root category priority to INFO and its only appender to CONSOLE.
#log4j.rootCategory=INFO, CONSOLE            debug   info   warn error fatal
log4j.rootCategory=debug, CONSOLE, LOGFILE
# Set the enterprise logger category to FATAL and its only appender to CONSOLE.
log4j.logger.org.apache.axis.enterprise=FATAL, CONSOLE
# CONSOLE is set to be a ConsoleAppender using a PatternLayout.
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
#log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n
log4j.appender.CONSOLE.layout.ConversionPattern=[%d{yyyy/MM/dd HH:mm:ss:SSS}  %t]-%l:%m%n
# LOGFILE is set to be a File appender using a PatternLayout.
log4j.appender.LOGFILE=org.apache.log4j.FileAppender
log4j.appender.LOGFILE.File=d:\axis.log
log4j.appender.LOGFILE.Append=true
log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} [%t] %-6r [%15.15t] %-5p %30.30c %x - %m\n

三、打印结果