if ($date != '') {
	switch($date){//date_add 加 date_sub 減
	case '今天':
 $where .= " AND FROM_UNIXTIME(starttimefrom,'%Y-%m-%d') = curdate() ";
 break;
	case '明天':
 $where .= " AND FROM_UNIXTIME(starttimefrom,'%Y-%m-%d') = date_add(curdate(), interval 1 day)";
 break;
	case '工作日':
 $where .= " AND dayofweek(FROM_UNIXTIME(starttimefrom)) not in (1,7) ";
 break;
 case '周末':
 $where .= " AND dayofweek(FROM_UNIXTIME(starttimefrom)) in (1,7) ";
 break;
 case '本周':
 $where .= " AND YEARWEEK(FROM_UNIXTIME(starttimefrom,'%Y-%m-%d')) = YEARWEEK(now())";
 break;
 case '下周':
 $where .= " AND ( FROM_UNIXTIME(starttimefrom,'%Y-%m-%d')>=SUBDATE(CURDATE(),DATE_FORMAT(CURDATE(),'%w')-1) AND FROM_UNIXTIME(starttimefrom,'%Y-%m-%d')<=SUBDATE(CURDATE(),DATE_FORMAT(CURDATE(),'%w')-7) ) ";
 break;
 case '下月':
 $where .= " AND FROM_UNIXTIME(starttimefrom,'%Y-%m') = date_format(DATE_add(curdate(), INTERVAL 1 MONTH),'%Y-%m') ";
 break;
	default:
	}	
}