以maven web項(xiàng)目為例，

首先、在pom文件引入相關(guān)依賴，如下（spring官網(wǎng)文檔有介紹）：

<dependencies><!-- spring 相關(guān) --><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-core</artifactId><version>4.0.2.RELEASE</version><exclusions><exclusion><groupId>commons-logging</groupId><artifactId>commons-logging</artifactId></exclusion></exclusions></dependency><dependency><groupId>org.slf4j</groupId><artifactId>jcl-over-slf4j</artifactId><version>1.5.8</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>1.5.8</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId><version>1.5.8</version></dependency><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.14</version></dependency> </dependencies>

spring 內(nèi)部默認(rèn)使用的日志框架是：?commons-logging（需排除該依賴）， 引入“jcl-over-slf4j”依賴，使spring對(duì)common-logging的調(diào)用轉(zhuǎn)為對(duì)slf4j的調(diào)用，

需要注意的是：?排除commons-logging依賴后，若不配置其他替代依賴（jcl-over-slf4j），容器初始化時(shí)會(huì)報(bào)錯(cuò)：java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory

?

接著編寫log4j配置文件log4j.xml，位于classpath路徑下（src/main/resources）

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN" "log4j.dtd"> <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"><!-- Appenders --><appender name="FILE" class="org.apache.log4j.RollingFileAppender"><param name="file" value="${project.home}/logs/dispatchmanage.log" /><param name="append" value="true" /><param name="maxFileSize" value="100MB" /><param name="maxBackupIndex" value="10" /><layout class="org.apache.log4j.PatternLayout"><param name='ConversionPattern' value='[%-5p][%d{yyyy/MM/dd HH:mm:ss}][%l][%m]%n' /></layout></appender><appender name="Console" class="org.apache.log4j.ConsoleAppender"><param name="Target" value="System.out" /><layout class="org.apache.log4j.PatternLayout"><param name='ConversionPattern' value='[%-5p][%d{yyyy/MM/dd HH:mm:ss}][%l][%m]%n' /></layout></appender><!-- Application Loggers --><logger name="com.hgs"><level value="debug" /><appender-ref ref="FILE" /></logger><!-- 3rdparty Loggers --><logger name="org.springframework.core"><level value="info" /></logger><logger name="org.springframework.beans"><level value="info" /></logger><logger name="org.springframework.context"><level value="info" /></logger><logger name="org.springframework.web"><level value="info" /></logger><!-- SQL Loggers --><logger name="java.sql.Statement" additivity="true"> <level value="debug" /> </logger> <logger name="java.sql.PreparedStatement" additivity="true"> <level value="debug" /> </logger> <logger name="com.ibatis"><level value="info" /></logger><logger name="com.ibatis.common.jdbc"><level value="info" /></logger><logger name="com.ibatis.sqlmap.engine.impl"><level value="info" /></logger><logger name="java.sql.Connection"><level value="info" /></logger><!-- Root Logger --><root><level value="debug" /><appender-ref ref="Console" /></root></log4j:configuration>

?

到此所有的配置工作就完成了，緊接著就可以在實(shí)際代碼中編程使用了，如下：

package com.yinz.tool.quartz.test;import java.util.Date;import org.quartz.Job; import org.quartz.JobDataMap; import org.quartz.JobExecutionContext; import org.quartz.JobExecutionException; import org.slf4j.Logger; import org.slf4j.LoggerFactory;/*** * @description:調(diào)度任務(wù)要執(zhí)行的具體操作，* 該類必須要有一個(gè)無(wú)參構(gòu)造器 * @author yinz* 2016-7-7*/ public class SimpleJob implements Job {private Logger logger = LoggerFactory.getLogger(SimpleJob.class);public void execute(JobExecutionContext context) throws JobExecutionException {//JobDataMap dataMap = context.getJobDetail().getJobDataMap(); //JobDetail中的JobDataMapJobDataMap dataMap = context.getMergedJobDataMap(); //trigger和JobDetail的中的JobDataMap的合并String jobMsg = dataMap.getString("jobMsg");String triggerMsg = dataMap.getString("triggerMsg");logger.info(new Date() + " : < " + jobMsg + " >, < " + triggerMsg + " >" );}}

代碼中可以看出，我們是面向slf4j 的api編程，這樣就可以方便實(shí)現(xiàn)在不同的日志框架間切換而不需修改代碼。

轉(zhuǎn)載于:https://www.cnblogs.com/yuluoxingkong/p/8004308.html

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