在IDEA中配置log4j,步骤很简单
1.在Maven中加入以下配置
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< dependency >
< groupId >commons-logging</ groupId >
< artifactId >commons-logging</ artifactId >
< version >1.2</ version >
</ dependency >
< dependency >
< groupId >log4j</ groupId >
< artifactId >log4j</ artifactId >
< version >1.2.16</ version >
</ dependency >
< dependency >
< groupId >org.slf4j</ groupId >
< artifactId >slf4j-api</ artifactId >
< version >1.5.6</ version >
< type >jar</ type >
</ dependency >
< dependency >
< groupId >org.slf4j</ groupId >
< artifactId >slf4j-simple</ artifactId >
< version >1.5.6</ version >
</ dependency >
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2.编写mybatis-config.xml文件
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<? xml version = "1.0" encoding = "UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
< configuration >
< settings >
<!-- 打印查询语句 -->
< setting name = "logImpl" value = "LOG4J" />
</ settings >
</ configuration >
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3.编写log4j.properties文件
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log4j.rootLogger=error, Console
log4j.logger.com.wocus.wine.dao=debug
#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n
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4.在扫描mapper的xml文件中
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<!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->
< bean id = "sqlSessionFactory" class = "org.mybatis.spring.SqlSessionFactoryBean" >
< property name = "dataSource" ref = "dataSource" />
<!-- 自动扫描mapping.xml文件 -->
< property name = "mapperLocations" value = "classpath:com.wocus.wine/dao/*Mapper.xml" />
<!-- 配置log4j-->
< property name = "configLocation" value = "classpath:mybatis-config.xml" ></ property >
</ bean >
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注意:IDEA中的日志输出在output中,如果需要筛选,快捷键Ctrl+F
【拓展】
“细粒度”控制:Log4j打印出MyBatis中仅仅单个Mapper的配置。
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<!-- 下面是通过配置log4j2,仅仅打印出单个mapper的SQL语句的配置-->
< logger name = "com.beebank.dao.iface.UserMapper" >
< level >DEBUG</ level >
</ logger >
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://www.jianshu.com/p/8e4f648161e1