在原有项目正常启动的情况下, 实现在控制台打印mapper包下SQL语句.
1.在pom.xml配置文件中添加两个依赖(缺一不可)
<!--日志包-->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j-version}</version>
</dependency> <dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j-version}</version>
</dependency>
版本:
<log4j-version>1.2.</log4j-version>
<slf4j-version>1.7.</slf4j-version>
2. 在log4j.properties配置文件中添加配置
log4j.logger.com.zzuli.mapper=DEBUG
完整的log4j.properties
log4j.rootCategory=ERROR, CONSOLE ,LOGFILE log4j.logger.com.zzuli.mapper=DEBUG log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%C %d{YYYY-MM-dd hh:mm:ss} %m %n log4j.appender.LOGFILE=org.apache.log4j.FileAppender
log4j.appender.LOGFILE.File=E:/my.log
log4j.appender.LOGFILE.Append=true
log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.LOGFILE.layout.ConversionPattern=%m %n
配置完以上两项, 即可实现在控制台打印SQL语句.
完.