参数为空,请用这样的,以及后期的日期需要区间段的
select * FROM [ewangong] where 1=1
${if(len(starttime)=0,""," and riqi>='"+starttime+"'")}
${if(len(endtime)=0,""," and riqi<='"+endtime+"'")}
${if(len(arsdjname)=0,""," and arsdjname='"+arsdjname+"'")}
order by riqitime desc
以上语句供参考,
或者你看一下这里的视频,里面带有自动生成数据集模板,拿来就可以套用
https://edu.fanruan.com/video/557