记录下log4j的两种配置方式

XML文件配置

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'><!-- 输出到控制台 --><appender name="CONSOLE_APPENDER" class="org.apache.log4j.ConsoleAppender"><layout class="org.apache.log4j.PatternLayout"><param name="ConversionPattern" value="[%d{dd HH:mm:ss,SSS\} %-5p] [%t] %c{2\} - %m%n" /></layout><!--过滤器设置输出的级别 --><filter class="org.apache.log4j.varia.LevelRangeFilter"><param name="levelMin" value="debug" /><param name="levelMax" value="warn" /><param name="AcceptOnMatch" value="true" /></filter></appender><!-- 系统执行日志 --><appender name="SYSTEM_APPENDER" class="org.apache.log4j.RollingFileAppender"><param name="File" value="${user.home}/logs/bingu/sys_run.log" /><!-- 设置日志输出文件名称 --><param name="DatePattern" value="'.'yyyy-MM-dd'.log'" /><!-- 设置是否在又一次启动服务时。在原有日志的基础加入新日志 --><param name="Append" value="true" /><param name="MaxBackupIndex" value="10" /><layout class="org.apache.log4j.PatternLayout"><param name="ConversionPattern" value="%p (%c:%L)- %m%n" /></layout></appender><logger name="SYSTEM" additivity="false"><priority value="debug" /><appender-ref ref="SYSTEM_APPENDER" /></logger><!-- error --><appender name="ERROR_APPENDER" class="org.apache.log4j.RollingFileAppender"><param name="File" value="${user.home}/logs/bingu/error.log" /><param name="Append" value="true" /><param name="Threshold" value="ERROR" /><param name="MaxFileSize" value="1024KB" /><param name="MaxBackupIndex" value="1" /><layout class="org.apache.log4j.PatternLayout"><param name="ConversionPattern" value="%d %-5p %l - %m%n" /></layout></appender><logger name="ERROR" additivity="false"><priority value="info" /><appender-ref ref="ERROR_APPENDER" /></logger><!-- 方法执行时间统计 --><appender name="ALL_METHODS_RUNTIME_APPENDER" class="org.apache.log4j.DailyRollingFileAppender"><param name="File" value="${user.home}/logs/bingu/method_runtime.log" /><param name="DatePattern" value="'.'yyyy-MM-dd'.log'" /><layout class="org.apache.log4j.PatternLayout"><param name="ConversionPattern" value="[%d{MMdd HH:mm:ss SSS\} %-5p] [%t] %c{3\} - %m%n" /></layout></appender><logger name="ALL_METHODS_RUNTIME" additivity="false"><priority value="info" /><appender-ref ref="ALL_METHODS_RUNTIME_APPENDER" /></logger><!-- web --><appender name="WEB_APPENDER" class="org.apache.log4j.DailyRollingFileAppender"><param name="encoding" value="UTF-8" /><param name="File" value="${user.home}/logs/bingu/web.log" /><param name="DatePattern" value="'.'yyyy-MM-dd'.log'" /><layout class="org.apache.log4j.PatternLayout"><param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %t %5p [%c:%L] - %m%n" /></layout></appender><category name="com.bingu.web" additivity="false"><level value="info" /><appender-ref ref="WEB_APPENDER" /></category><!-- service --><appender name="SERVICE_APPENDER" class="org.apache.log4j.DailyRollingFileAppender"><param name="encoding" value="UTF-8" /><param name="File" value="${user.home}/logs/bingu/service.log" /><param name="DatePattern" value="'.'yyyy-MM-dd'.log'" /><layout class="org.apache.log4j.PatternLayout"><param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %t %5p [%c:%L] - %m%n" /></layout></appender><category name="com.bingu.bll" additivity="false"><level value="info" /><appender-ref ref="SERVICE_APPENDER" /></category><!-- dao --><appender name="DAO_APPENDER" class="org.apache.log4j.DailyRollingFileAppender"><param name="encoding" value="UTF-8" /><param name="File" value="${user.home}/logs/bingu/dao.log" /><param name="DatePattern" value="'.'yyyy-MM-dd'.log'" /><layout class="org.apache.log4j.PatternLayout"><param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %t %5p [%c:%L] - %m%n" /></layout></appender><category name="com.bingu.dal" additivity="false"><level value="info" /><appender-ref ref="DAO_APPENDER" /></category><!-- util --><appender name="UTIL_APPENDER" class="org.apache.log4j.DailyRollingFileAppender"><param name="encoding" value="UTF-8" /><param name="File" value="${user.home}/logs/bingu/util.log" /><param name="DatePattern" value="'.'yyyy-MM-dd'.log'" /><layout class="org.apache.log4j.PatternLayout"><param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %t %5p [%c:%L] - %m%n" /></layout></appender><category name="com.bingu.util" additivity="false"><level value="info" /><appender-ref ref="UTIL_APPENDER" /></category><root><priority value="debug" /><appender-ref ref="CONSOLE_APPENDER" /><appender-ref ref="SYSTEM" /><appender-ref ref="ERROR" /></root></log4j:configuration>

.properties文件配置

log4j.rootLogger=info,file  log4j.appender.file=org.apache.log4j.DailyRollingFileAppender  
log4j.appender.file.DatePattern='-'yyyy-MM-dd  
log4j.appender.file.File=logs/log.txt  
log4j.appender.file.Append=true
log4j.appender.file.layout=org.apache.log4j.PatternLayout  
log4j.appender.file.layout.ConversionPattern=[%-5p] %d %37c %3x - %m%n log4j.logger.org.springframework.web.servlet.handler.SimpleMappingExceptionResolver=WARN