ssm打印sql语句

　　在mybatis配置文件中添加<setting name="logImpl" value="STDOUT_LOGGING"/>

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

  


</configuration>