createQrcode.php
<?php/** * composer 安装 composer require aferrandini/phpqrcode */ /*** 二维码生成* Time：2018/7/20 0020*/public function createQrcode(){ ???$id=input(‘id‘); ???$url = ‘http://‘ . $_SERVER[‘HTTP_HOST‘] . ‘/index/user/center?car_id=‘ . $id;// ?????$res = create_qrcode($id,$url,‘car‘); ?//生成不带logo的二维码 ???$res = create_png($url, true, ‘./uploads/qrcode/car/car_‘.$id.‘.png‘, ‘H‘); ?//生成带logo的二维码 ???$re = $this->logicCar->editField($id,‘qrcode‘,$res); ???$this->ajaxJump($re);}/**二维码生成器 * User:wanglu * Time：2018/7/20 0020 * @param $id * @return bool|string */function create_qrcode($id, $url, $model){ ???$pash = ‘./uploads/qrcode/‘.$model.‘/‘.$model.‘_‘ . $id . ‘.png‘; ???if (!file_exists(dirname($pash))){ ???????mkdir(dirname($pash),0777,true); ???} ???if(file_exists($pash)){ ???????unlink($pash); ???} ???\PHPQRCode\QRcode::png($url, $pash, ‘H‘, 10,2); ???$path = substr($pash, 1); ???return $path;}/** * 生成带logo的二维码 * @param $text ????????二维码内容 * @param bool $logo ???是否带log * @param bool $outfile 输出地址 * @param string $level 容错等级 * @param int $size ????尺寸 * @param int $margin ??边框 * @param bool $saveandprint * @return bool|string * User: Dh106 * Date: 2018/8/10 * Time: 9:16 */function create_png($text, $logo = false, $outfile = false, $level = ‘H‘, $size = 10, $margin = 2, $saveandprint=false){ ???if ( $outfile ) { ???????if (!file_exists(dirname($outfile))){ ???????????mkdir(dirname($outfile),0777,true); ???????} ???????\PHPQRCode\QRcode::png($text, $outfile, $level, $size, $margin, $saveandprint); ???????$QR = file_get_contents($outfile); ???} else { ???????ob_start(); ???????\PHPQRCode\QRcode::png($text, $outfile, $level, $size, $margin, $saveandprint); ???????$QR = ob_get_contents(); ???????ob_end_clean(); ???} ???$logopath = ROOT_PATH.‘public/static/platform/images/yycxlogo.png‘; ???//合并logo ???if ( $logo !== false && $logo = file_get_contents($logopath) ) { ???????$QR = imagecreatefromstring($QR); ???????$logo = imagecreatefromstring($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 ???????//重新组合图片并调整大小 ???????// $logo_qr_width ?= $QR_width / 5; ???????// $scale ?????????= $logo_width/$logo_qr_width; ???????// $logo_qr_height = $logo_height/$scale; ???????// $from_width ????= ($QR_width - $logo_qr_width) / 2; ???????// imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width, $logo_qr_height, $logo_width, $logo_height); ???????//logo不失真 ???????$dstX = $QR_width/2 - $logo_width/2; ???????$dstY = $QR_width/2 - $logo_width/2; ???????imagecopyresampled($QR, $logo, $dstX, $dstY, 0, 0, $logo_width, $logo_height, $logo_width, $logo_height); ???????if ( $outfile ) { ???????????imagepng($QR, $outfile); ???????} else { ???????????ob_start(); ???????????imagepng($QR); ???????????ob_get_contents(); ???????????ob_end_clean(); ???????} ???} ???return substr($outfile,1);}PHP生成二维码
原文地址：https://www.cnblogs.com/qixidi/p/10206078.html