thinkphp 3.2 xlsx 上传文件、文件数据读取

    public function uploads(){
        if(IS_POST){
            $postData = I('post.');
            $upload = new \Think\Upload();// 实例化上传类
            $upload->maxSize   =     3145728 ;// 设置附件上传大小
//            $upload->exts      =     array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型
            $upload->rootPath  =     './Uploads/'; // 设置附件上传根目录
            $upload->savePath  =     ''; // 设置附件上传（子）目录
            // 上传文件
            $info   =   $upload->upload();
            if(!$info) {// 上传错误提示错误信息
                $this->error($upload->getError());
            }
            $filename  = "Uploads/".$info['photo']["savepath"].$info['photo']["savename"];


            vendor('PHPExcel.PHPExcel');
            if( strstr($filename,'.xlsx'))
            {
                $PHPReader = new \PHPExcel_Reader_Excel2007();
            }
            else
            {
                $PHPReader = new \PHPExcel_Reader_Excel5();
            }
            //载入excel文件
            $PHPExcel = $PHPReader->load($filename);


            $sheet = $PHPExcel->getActiveSheet(0);//获得sheet
            $highestRow = $sheet->getHighestRow(); // 取得共有数据数
            $data=$sheet->toArray(); //读取所有的数据出来
            $array= array();
            unset($data[0]);//删除头
        }
    }