TP框架简单网站统计功能的实现 PV IP UV

public function save(){        $add['ip']=ip2long(get_client_ip());        if(!cookie('fullyeetally')){            $value=md5(microtime().$add['ip'].rand());            $overTime=mktime(0,0,0,date('m'),date('d')+1,date('Y'))-time();            cookie("fullyeetally",$value,time()+$overTime);        }        $fullyeetally=cookie('fullyeetally');        $add['cookie']=$fullyeetally;        $add['date']=date('Y-m-d');        $add['time']=time();        $add['uri']=$_SERVER['SERVER_NAME'].$_SERVER['REQUEST_URI'];        $add['referer']=$_SERVER['HTTP_REFERER'];        $tallydata_=D('Tallydata');        $tallydata_->create($add);        $tallydata_->add();    }    public function saveData()    {        $tally_=D('Tally');        $tallydata_=D('Tallydata');        $nowDate=date('Y-m-d',time()-3600*24);        $condition['date'] = $nowDate;        $condition['school'] = $school;        $now['date']=$nowDate;        $now['iptotal']=$this->gototal($nowDate,'ip');        $now['pvtotal']=$tallydata_->where($condition)->count('tdid');        $now['dltotal']=$this->gototal($nowDate,'cookie');        $now['school']=$school;        if($tally=$tally_->where(array('date'=>$nowDate))->find()){            return;            /*$tally_->where($condition)                ->save(array(                    'iptotal'=>$now['iptotal'],                    'pvtotal'=>$now['pvtotal'],                    'dltotal'=>$now['dltotal']                ));*/        }else{            $tally_->create($now);            $tally_->add();        }        $timeDel=time()-3600*24*50;//        $tallydata_->query("delete from `tallydate` where `time`<$timeDel");        $tallydata_->where('time<"'.$timeDel.'"')->delete();//        echo 'Success'.date('Y-m-d H:i:s');    }    function gototal($nowDate,$a)    {        $tallydata_=D('Tallydata');        $condition2['date'] = $nowDate;        $now['iptotal']=$tallydata_->distinct(true)            ->field($a)            ->where($condition2)            ->select();//        var_dump(count($now['iptotal']));        return count($now['iptotal']);    }