工程下载：https://files.cnblogs.com/files/xiandedanteng/gatling20200429-4.zip
其实就是一句话设置的事情，实现步骤：
在application.properties中书写
logging.level.com.ufo.gatling.mapper.EmpMapper=debug
这样一行，其中com.ufo.gatling.mapper.EmpMapper为我工程中与DB交互的类
之后执行起来，就能看到SQL输出了，示例如下：
04-29 15:56:53.030 - ==> Preparing: select b.* from (select a.*,rownum as rn from (select * from hy_emp order by id) a where rownum<101) b where b.rn>90
2020-04-29 15:56:53.102 - ==> Parameters:
2020-04-29 15:56:53.135 - <== Total: 10
2020-04-29 15:56:53.138 - ==> Preparing: select count(*) from hy_emp
2020-04-29 15:56:53.138 - ==> Parameters:
2020-04-29 15:56:53.144 - <== Total: 1
2020-04-29 15:57:15.018 - ==> Preparing: select b.* from (select a.*,rownum as rn from (select * from hy_emp order by id) a where rownum<111) b where b.rn>100
2020-04-29 15:57:15.019 - ==> Parameters:
2020-04-29 15:57:15.030 - <== Total: 10
2020-04-29 15:57:15.031 - ==> Preparing: select count(*) from hy_emp
2020-04-29 15:57:15.032 - ==> Parameters:
2020-04-29 15:57:15.036 - <== Total: 1
2020-04-29 15:57:16.744 - ==> Preparing: select b.* from (select a.*,rownum as rn from (select * from hy_emp order by id) a where rownum<101) b where b.rn>90
2020-04-29 15:57:16.744 - ==> Parameters:
2020-04-29 15:57:16.754 - <== Total: 10
2020-04-29 15:57:16.755 - ==> Preparing: select count(*) from hy_emp
2020-04-29 15:57:16.755 - ==> Parameters:
2020-04-29 15:57:16.760 - <== Total: 1
相对于旧版本的SQL与参数分离，当前工程的SQL是一起输出了，这点改进不错。
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