mybatis配置打印日志

#mybatis配置
mybatis:
  configuration:
    map-underscore-to-camel-case: true
    call-setters-on-nulls: true
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl  # 打印SQL
  mapper-locations: classpath*:mybatis/**/*Mapper.xml
  type-aliases-package: cn.itcast.user.pojo