实例如下:供应!--{php$tadaysell=$db-get_one(SELECtCOUNT(*)ASnumFROM.$DT_PRE.sellWHEReaddtime$today_endtime-86400);}--求购!--{php$tadaybuy=$db-get_one(SELECtCOUNT(*)ASnumFROM.$DT_PRE.buyWHEReaddtime$today_endtime-86400);}--供应今日新加...... 2019-03-01 22:13:25