还有一个字段要等于左边的业务员

------------------------------------------------------
select * from yearmonth_tianbao
where 1=1
${if(len(开始日期)==0,""," and start >= '"+ 开始日期 +"'")}
${if(len(结束日期)==0,""," and end <= '"+结束日期 +"'")}
------------------------------------------------------

WorkBook3.7z