不说废话,贴代码:1CREATEORREPLACEFUNCTIONto_time(secINNUMBER)RETURNVARCHAR2IS2/*把秒转成时分秒格式3authlzpong201/09/164*/5BEGIN6RETURNTRUNC(NVL(sec,0)/3600)||':'||SUBSTR(NUMTODS...