<?php
namespace Home\Model;
class Tongji{
    private $search_engine_inc=array(
        "baidu." =>"baidu",
        "google." =>"google",
        "sogou." =>"sogou",
        "so." =>"360",	
        "bing." =>"bing",
    );
    public function start(){
        $visit_userId =$_COOKIE["visit_userId"];
        if(!$visit_userId){
            $data=array();
            //进站方式
            $http_referer=$_SERVER['HTTP_REFERER'];
            if(!$http_referer){
                $data['visit_type']="website";
            }else{
                $searcn_engine=$this->search_engine();
                if($searcn_engine){
                    $data['visit_type']="search";
                    $data['search_engine']=$searcn_engine;
                }else{
                    $data['visit_type']="link";
                }
            }
            //ip地址
            $data['ip']=  get_client_ip(0,true);
            //访问时间
            $data['visit_time']=time();
            //先插入48小时的表
            M("visit_48")->add($data);
            //再插入visit表
            $today_start=strtotime(date("Y-m-d ")."00:00:00");
            $today_end=strtotime(date("Y-m-d ")."23:59:59");
            $where=array();
            $where["visit_time"]=array("between",array($today_start,$today_end));
            $data2=array();
            //时间
            $data2['daytime']=strtotime(date("Y-m-d"));
            //IP统计            
            $ip_total=M("visit_48")->field("ip")->where($where)->group("ip")->select();
            $data2['ip']=count($ip_total);
            //pv统计
            $data2['pv']=M("visit_48")->where($where)->count();
            //visit_search 搜索进来的用户
            $where2=array();
            $where2=$where;
            $where2["visit_type"]="search";
            $data2['visit_search']=M("visit_48")->where($where2)->count();
            //website 输入网址进来的用户
            $where2=array();
            $where2=$where;
            $where2["visit_type"]="website";
            $data2['visit_website']=M("visit_48")->where($where2)->count();
            //link 通过链接跳转进来的用户
            $where2=array();
            $where2=$where;
            $where2["visit_type"]="link";
            $data2['visit_link']=M("visit_48")->where($where2)->count();
            //各大搜索引擎判断
            //baidu
            $where2=array();
            $where2=$where;
            $where2["visit_type"]="search";
            $where2["search_engine"]="baidu";
            $data2['engine_baidu']=M("visit_48")->where($where2)->count();
            //google
            $where2=array();
            $where2=$where;
            $where2["visit_type"]="search";
            $where2["search_engine"]="google";
            $data2['engine_google']=M("visit_48")->where($where2)->count();       
            //sogou
            $where2=array();
            $where2=$where;
            $where2["visit_type"]="search";
            $where2["search_engine"]="sogou";
            $data2['engine_sogou']=M("visit_48")->where($where2)->count();    
            //360
            $where2=array();
            $where2=$where;
            $where2["visit_type"]="search";
            $where2["search_engine"]="360";
            $data2['engine_360']=M("visit_48")->where($where2)->count();    
            //bing
            $where2=array();
            $where2=$where;
            $where2["visit_type"]="search";
            $where2["search_engine"]="bing";
            $data2['engine_bing']=M("visit_48")->where($where2)->count();
            //
            $visit_id=M("visit")->where(array("daytime"=>$data2['daytime']))->getField("id");
            if($visit_id){
                $data2["id"]=$visit_id;
                M("visit")->save($data2);
            }else{
                M("visit")->add($data2);
            }
            //设置访问cookie，过期时间为今天23:59:59
            setcookie("visit_userId",time()+rand(10000,99999), strtotime(date("Y-d-m")." 23:59:59"));
        }
    }
    //判断搜索引擎
    private function search_engine(){
        foreach($this->search_engine_inc as $key=>$engine){
            if(strstr($_SERVER['HTTP_REFERER'],$key)){
                return $engine;
            }
        }
    }
}