mysql 提取本周 本月的记录 加深记忆

   function gethotsu($type=1){

    $model =  D('Plh_click');
       $addtime = date('Y-m-d',time());
       //$mounthname = MONTHNAME
       if($type==1){

         $sql = "SELECT cl.click_id,cl.supper_id,cl.add_time FROM sc_plh_click AS cl WHERE WEEK('$addtime',0) = WEEK(add_time,0) GROUP BY cl.supper_id  ORDER BY count(cl.supper_id ) desc   LIMIT 11";

       }elseif ($type==2) {
         $sql = "SELECT cl.click_id,cl.supper_id,cl.add_time FROM sc_plh_click AS cl WHERE MONTHNAME('$addtime') = MONTHNAME(add_time) GROUP BY cl.supper_id  ORDER BY count(cl.supper_id ) desc  LIMIT   11";
       }else{

         $sql = "SELECT cl.click_id,cl.supper_id,cl.add_time FROM sc_plh_click AS cl  GROUP BY cl.supper_id ORDER BY count(cl.supper_id ) desc  LIMIT  11";
       }