springboot集成log4j

需求：

1、springboot集成log4j

2、mybatis 打印 sql

实现：

pom.xml

1           <dependency>
2             <groupId>org.springframework.boot</groupId>
3             <artifactId>spring-boot-starter-log4j</artifactId>
4             <version>1.3.8.RELEASE</version>
5         </dependency>

log4j.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'>
    <appender name="console" class="org.apache.log4j.ConsoleAppender">
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%d{HH:mm:ss.SSS\} [%t] %m%n" />
        </layout>
    </appender>
    <logger name="org.springframework" additivity="false">
        <level value ="ERROR"/>
        <appender-ref ref="console"/>
    </logger>
    <!-- 只打印sql -->
    <logger name="com.ebc.ghome.mapper">
        <level value ="DEBUG"/>
        <appender-ref ref="console"/>
    </logger>
    <!-- DEBUG < INFO < WARN < ERROR 没有定义的logger将会使用root logger -->
    <root>
        <level value="INFO" />
        <appender-ref ref="console" />
    </root>

</log4j:configuration>