${if(len(bdate)=0,"","and to_char(t.VOH_DAT,'yyyy-MM-dd')>='"+FORMAT(bdate,"yyyy-MM-dd")+"'")}
你数据库没得todate()函数
where 1=1
and to_char(t.VOH_DAT,'yyyy-MM-dd') between'${bdate}' AND '${edate}'
参数的格式设置成这样