用phpexcel导入导出文件

getActiveSheet();
        $letter = array('A','B','C','D');

        //表头数组

        $tableheader = array(
            'MAC地址','手机品牌','采集地址','采集时间'
        );

        //填充表头信息
        for($i = 0;$i < count($tableheader);$i++) {

            $PHPSheet->setCellValue("$letter[$i]1","$tableheader[$i]");

        }
        $where = array();
        //获取当前账号id（)
        $id = $this->user_id;
        $datas = $this->request->param();
        $res = $this->validate($datas,"Index.search");
        if($res){

            $st_time = strtotime(input('st_time'));//下单开始时间
            $end_time = strtotime(input('end_time'));//下单结束时间
            $device_name = input('device_name');//设备名称
            $wifi_name = input('wifi_name'); //wifi名称
            $brand_name = input("brand_name");//手机品牌名称
            $unknow   = $datas['unknow'] ?? '1';     //品牌是否为未知数据

//            dump($device_info);
            $this->assign(array(
                'st_time' => input('st_time'),
                'end_time' => input('end_time'),
                'device_name' => $device_name,
                'wifi_name' => $wifi_name,
                'brand_name' => $brand_name,
                'unknow'  => $unknow,
            ));

            //时间查询
            // //-------------------------------------
            if($st_time && !$end_time){
                //在xx时间后
                $where['createtime'] = array('egt',$st_time);
            }elseif($end_time && !$st_time){
                //在xx时间前
                $where['createtime'] = array('elt',$end_time);
            }elseif($end_time && $st_time){
                //在xx-yy时间段
                if($st_time>$end_time){
                    $this->error("开始时间不能大于结束时间",url("data/index/index"));
                }else{
                    $ends_time=strtotime('+1 day',$end_time);
                    $where['createtime'] = array('between',array($st_time,$ends_time));
                }
            }
            // //-------------------------------
            //设备名称
            if(!empty($device_name)){
                $where['u_id'] = array('=',$device_name);
            }

            //wifi名称
            if(!empty($wifi_name)){
                $where['wifi_name'] = array('like',"%$wifi_name%");
            }

            //手机品牌名称
            if(!empty($brand_name)){
                $where['phone_brand'] = array('like',"%$brand_name%");
            }

            //unknow数据表
            if($unknow != 1){
                $unkn = '_unknow';
            }else{
                $unkn = '';
            }

        }else{
            $this->error($res);
        }
//        //判断权限;
        if($id != '1'){
            //不是管理员  只能获取自己的数据
            $where['user_id'] = array('=',$id);
        }

        //查询数据集
        //------------------------------------
        //分表规则 : user_id的尾数与表名数字一致
        $table = 'mac_data.cmf_mac_data_'.substr($this->user_id,-1).$unkn;
        $data = Db::table($table)
            ->where($where)
            ->where('delete_time','null')
            ->order('createtime desc')
            ->field('mac_info,phone_brand,addr,FROM_UNIXTIME(createtime,"%Y-%m-%d %H:%i:%S")as time')
            ->select();
        //填充表格信息
        $count=count($data)+1;
        for ($i = 2;$i <= $count;$i++) {
            //i=行数    j=排数
            $j = 0;
            foreach ($data[$i - 2] as $key=>$value) {
                //$i=2 是因为数据从第二排开始
                $PHPSheet->setCellValue("$letter[$j]$i","$value");
                $j++;
            }

        }

        $PHPSheet->setTitle("data"); //给当前活动sheet设置名称
        $PHPWriter = \PHPExcel_IOFactory::createWriter($PHPExcel,"Excel2007");
        header('Content-Disposition: attachment;filename="导出数据.xlsx"');
        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        $PHPWriter->save("php://output"); //表示在$path路径下面生成demo.xlsx文件
    }

    //导入界面
    public function addexcel()
    {
        return $this->fetch('index/addexcel');
    }

    //导入excel
    public function inserExcel()
    {
        Loader::import('Classes.PHPExcel');
        Loader::import('Classes.PHPExcel.IOFactory.PHPExcel_IOFactory');
        Loader::import('Classes.PHPExcel.Reader.Excel7');
        //获取表单上传文件
        $file = request()->file('file');
        if(empty($file)){
            $this->error('未检测到上传文件！');
        }
        $info = $file->validate(['size'=>2097152,'ext'=>'csv'])->move(ROOT_PATH . 'public' . DS . 'upload/excel');
        if(!$info){
            $this->error($file->getError());
        }
        //施展终极空间忍术·移动文件
        $exclePath = '/excel/'.$info->getSaveName();  //获取文件名

        $file_name = ROOT_PATH . 'public' . DS . 'upload' . DS . $exclePath;   //上传文件的地址
        $objReader =\PHPExcel_IOFactory::createReader('CSV')->setInputEncoding('GBK');
        $obj_PHPExcel =$objReader->load($file_name);  //加载文件内容,编码utf-8
        $excel_array=$obj_PHPExcel->getsheet(0)->toArray();   //转换为数组格式
        array_shift($excel_array);  //删除第一个数组(标题);
        $city = [];
        $num = 0;
        $table = 'mac_data.cmf_mac_phones';
        //处理内容
        $insert_data = array();
        foreach($excel_array as $k=>$v) {
            if($v[2] == null){
                continue; //过滤空数据
            }
            $are = explode(' ',$v[5]);
            $city = $are[1] ?? $are[0];
            $province = $are[0];
            $phone = explode(' ',$v[2]);
            if(count($phone)>1){
                foreach($phone as $val){
                    $insert_data[] = array(
                        'name' => $v[1],
                        'mobile' => $val,
                        'area' => $v[4],
                        'coord' => $v[8],
                        'city' => $city,
                        'search' => $v[6],
                        'province' =>$province,
                    );
                    $num++;
                }
            }else{
                $insert_data[] = array(
                    'name' => $v[1],
                    'mobile' => $v[2],
                    'area' => $v[4],
                    'coord' => $v[8],
                    'city' => $city,
                    'search' => $v[6],
                    'province' =>$province,
                );
                $num++;
            }
        }
        //dump($insert_data);die;
        $zxc = Db::table($table)->fetchSql(true)->insertAll($insert_data,true);
        if(!$zxc){
            $this->error('导入失败');
        }
        trace($zxc);
        $this->success('共成功导入'.$num ."条数据！");
    }
    //导入模板
    public function demo()
    {

        $myfile = fopen("newfile.txt", "w") or die("Unable to open file!");
        $txt = "Mickey Mouse\n";
        fwrite($myfile, $txt);
        $txt = "Minnie Mouse\n";
        fwrite($myfile, $txt);
        fclose($myfile);
        die;
        Loader::import('Classes.PHPExcel');
        Loader::import('Classes.PHPExcel.IOFactory.PHPExcel_IOFactory');
        $PHPExcel = new \PHPExcel();

        $PHPSheet = $PHPExcel->getActiveSheet();
        $letter = array('A','B','C','D');

        //表头数组

        $tableheader = array(
            '订单编号','物流公司','物流单号','支持物流（顺丰速运,百世快递,中通快递,申通快递,圆通速递,韵达速递,邮政快递包裹,MS,天天快递,京东物流,优速快递,德邦快递,快捷快递,宅急送,TNT快递）'
        );
        //填充表头信息

        for($i = 0;$i < count($tableheader);$i++) {
            $PHPSheet->setCellValue("$letter[$i]1","$tableheader[$i]");
        }
        $PHPExcel->getActiveSheet()->getStyle('A')->getNumberFormat()->setFormatCode(\PHPExcel_Style_NumberFormat::FORMAT_TEXT);
        $PHPExcel->getActiveSheet()->getStyle('C')->getNumberFormat()->setFormatCode(\PHPExcel_Style_NumberFormat::FORMAT_TEXT);

        $data = array(
            '10000000000XXXX','圆通速递','XXXXXXXXXXX'
        );

        $j = 0;
        foreach ($data as $value) {
            $PHPSheet->setCellValue("$letter[$j]2","$value");

            $j++;

        }
        $PHPSheet->setTitle("批量发货模板"); //给当前活动sheet设置名称
        $PHPWriter = \PHPExcel_IOFactory::createWriter($PHPExcel,"Excel2007");
        header('Content-Disposition: attachment;filename="demo.xlsx"');
        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        $PHPWriter->save("php://output"); //表示在$path路径下面生成demo.xlsx文件
    }

}