protected function prose7day($stationid, $edate)
{
$nt = new Psys_StationModel();
if (!$edate) {
$edate = date('Y-m-d', strtotime('-1 day'));
}
//根据当前日期获取最近7天的时间
for ($i = 0; $i < 7; $i++) {
$day['day' . $i] = date('Y-m-d', strtotime($edate) - 3600 * 24 * $i);
}
foreach ($day as $k => $v) {
$data[$v] = $nt->DailyProcess($stationid, '', $v);
}
return $data;
}