% yy=right("00"&year(date),4) mm=right("00"&month(date),2) dd=right("00"&day(date),2) riqi=yy & mm & dd xiaoshi=right("00"&hour(time),2) fenzhong=right("00"&minute(time),2) miao=right("00"&second(time),2) BillNo=yy & mm & dd & xiaoshi & fenzhong & miao %>