MYSQL数据库,展示数据,根据日期类型,选择不同的日期时间段,不起作用;where 1=1 ${if(typedate=="0"," and left(d.end_date,10) >='"+ P1 +"'"+" and left(d.end_date,10)<='"+ P2+"'", if(typedate=="1"," and left(a.submit_date,10)>='"+ P3+"'"+" and left(a.submit_date,10)<='"+ P4+"'"))}写法如上所示,typedate=="0"的时候是可以展示的,typedate=="1"一直转圈没法显示。?