ThinkPHP3.2.3扩张之二维码

public function qrcode(){        Vendor('phpqrcode.phpqrcode');        //生成二维码图片        $object = new \QRcode();        $qrcode_path='';        $file_tmp_name='';        $errors=array();        if(!empty($_POST)){            $content = trim($_POST['content']); //二维码内容            $contentSize=$this->getStringLength($content);            if($contentSize>150){                $errors[]='字数过长，不能多于150个字符！';            }            if(isset($_FILES['upimage']['tmp_name']) && $_FILES['upimage']['tmp_name'] && is_uploaded_file($_FILES['upimage']['tmp_name'])){                if($_FILES['upimage']['size']>512000){                    $errors[]="你上传的文件过大，最大不能超过500K。";                }                $file_tmp_name=$_FILES['upimage']['tmp_name'];                $fileext = array("image/pjpeg","image/jpeg","image/gif","image/x-png","image/png");                if(!in_array($_FILES['upimage']['type'],$fileext)){                    $errors[]="你上传的文件格式不正确，仅支持 png, jpg, gif格式。";                }            }            $tpgs=$_POST['tpgs'];//图片格式            $qrcode_bas_path='upload/qrcode/';            if(!is_dir($qrcode_bas_path)){                mkdir($qrcode_bas_path, 0777, true);            }            $uniqid_rand=date("Ymdhis").uniqid(). rand(1,1000);            $qrcode_path=$qrcode_bas_path.$uniqid_rand. "_1.".$tpgs;//原始图片路径            $qrcode_path_new=$qrcode_bas_path.$uniqid_rand."_2.".$tpgs;//二维码图片路径            if(Helper::getOS()=='Linux'){                $mv = move_uploaded_file($file_tmp_name, $qrcode_path);            }else{                //解决windows下中文文件名乱码的问题                $save_path = Helper::safeEncoding($qrcode_path,'GB2312');                if(!$save_path){                    $errors[]='上传失败，请重试！';                }                $mv = move_uploaded_file($file_tmp_name, $qrcode_path);            }            if(empty($errors)){                $errorCorrectionLevel = $_POST['errorCorrectionLevel'];//容错级别                $matrixPointSize = $_POST['matrixPointSize'];//生成图片大小                $matrixMarginSize = $_POST['matrixMarginSize'];//边距大小                //生成二维码图片                $object::png($content,$qrcode_path_new, $errorCorrectionLevel, $matrixPointSize, $matrixMarginSize);                $QR = $qrcode_path_new;//已经生成的原始二维码图                $logo = $qrcode_path;//准备好的logo图片                if (file_exists($logo)) {                    $QR = imagecreatefromstring(file_get_contents($QR));                    $logo = imagecreatefromstring(file_get_contents($logo));                    $QR_width = imagesx($QR);//二维码图片宽度                    $QR_height = imagesy($QR);//二维码图片高度                    $logo_width = imagesx($logo);//logo图片宽度                    $logo_height = imagesy($logo);//logo图片高度                    $logo_qr_width = $QR_width / 5;                    $scale = $logo_width/$logo_qr_width;                    $logo_qr_height = $logo_height/$scale;                    $from_width = ($QR_width - $logo_qr_width) / 2;                    //重新组合图片并调整大小                    imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width,                    $logo_qr_height, $logo_width, $logo_height);                    //输出图片                    //header("Content-type: image/png");                    imagepng($QR,$qrcode_path);                    imagedestroy($QR);                }else{                    $qrcode_path=$qrcode_path_new;                }            }else{                $qrcode_path='';            }        }        $data=array('data'=>array('errors'=>$errors,'qrcode_path'=>$qrcode_path));        $this->assign('data',$data);        $this->display();