spring boot mybatis打印SQL语句

在logback-spring.xml 文件中添加

    <logger name="com.ibatis" level="DEBUG" />
    <logger name="com.ibatis.common.jdbc.SimpleDataSource" level="DEBUG" />
    <logger name="com.ibatis.common.jdbc.ScriptRunner" level="DEBUG" />
    <logger name="com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate" level="DEBUG" />
    <logger name="java.sql.Connection" level="DEBUG" />
    <logger name="java.sql.Statement" level="DEBUG" />
    <logger name="java.sql.PreparedStatement" level="DEBUG" />
    <logger name="java.sql.ResultSet" level="DEBUG" />
    <logger name="你的dao层包名" level="DEBUG" />

在mybatis-config.xml中开启：

<settings>
    <setting name="logImpl" value="STDOUT_LOGGING"/>
</settings>