mysql取今天，明天，工作日，周末，本周，下周，下月数据

if ($date != '') {switch($date){//date_add 加 date_sub 减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:}}

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