select * from DY_MYJF_LTHMwhere prr_caller_phone like '${caller_phone}%' and date_format(prr_date,'%Y-%m-%d') between '${days_e}' and '${days_d}' AND prr_called_phone like '${called_phone}%' and tl2 in ('${tl}');数据集查询这样写,现在问题是如果我参数面板上任何一个控件不选或者不填时,依旧可以查询出来数据,应该怎么做? 请教大佬们