destoon调用今日新增数量的统计标签

实例如下：供应!--{php $tadaysell=$db-get_one(SELECt COUNT(*) AS num FROM .$DT_PRE.sell WHERe addtime$today_endtime-86400);}--求购!--{php $tadaybuy=$db-get_one(SELECt COUNT(*) AS num FROM .$DT_PRE.buy WHERe addtime$today_endtime-86400);}--供应今日新加