效果图

二维码生成方法采用phpqrcode插件 ，采用命名空间设计在extend建立phpqrcode文件夹，下面在建立QRcode.php

QRcode.php

代码太长附下载链接
下载链接

use phpqrcode\QRcode;//生成二维码图片返回链接地址public function qrcode(){$recommend = "10003";$url = config('WEB_URL')."?recommend=".$recommend;$path = "./public/qrcode/".$recommend.".jpg";if(!file_exists('./public/qrcode/')){mkdir('./public/qrcode/',0777,true);}$level=3;$size=5;$errorCorrectionLevel =intval($level);$matrixPointSize = intval($size);QRcode::png($url, $path, $errorCorrectionLevel, $matrixPointSize, 2);$host = config('WEB_URL');$r_path =  "/public/qrcode/".$recommend.".jpg";$img = $host.'/'.$r_path;return $img;}

/*** 生成宣传海报* @param  array    参数,包括图片和文字* @param  string   $filename 生成海报文件名,不传此参数则不生成文件,直接输出图片* @return [type] [description]*/function createPoster($config=array(),$filename=""){//如果要看报什么错，可以先注释调这个header if(empty($filename)) header("content-type: image/png");$imageDefault = array('left'=>0,'top'=>0,'right'=>0,'bottom'=>0,'width'=>100,'height'=>100,'opacity'=>100);$textDefault =  array('text'=>'','left'=>0,'top'=>0,'fontSize'=>32,             //字号'fontColor'=>'255,255,255', //字体颜色'angle'=>0,);$background = $config['background'];//海报最底层得背景  //背景方法$backgroundInfo = getimagesize($background);$backgroundFun = 'imagecreatefrom'.image_type_to_extension($backgroundInfo[2], false);$background = $backgroundFun($background);$backgroundWidth = imagesx($background);    //背景宽度$backgroundHeight = imagesy($background);   //背景高度$imageRes = imageCreatetruecolor($backgroundWidth,$backgroundHeight); $color = imagecolorallocate($imageRes, 0, 0, 0);  imagefill($imageRes, 0, 0, $color);  // imageColorTransparent($imageRes, $color);    //颜色透明imagecopyresampled($imageRes,$background,0,0,0,0,imagesx($background),imagesy($background),imagesx($background),imagesy($background));//处理了图片if(!empty($config['image'])){foreach ($config['image'] as $key => $val) {$val = array_merge($imageDefault,$val);$info = getimagesize($val['url']);$function = 'imagecreatefrom'.image_type_to_extension($info[2], false);if($val['stream']){     //如果传的是字符串图像流$info = getimagesizefromstring($val['url']);$function = 'imagecreatefromstring';}$res = $function($val['url']);$resWidth = $info[0];$resHeight = $info[1];//建立画板 ，缩放图片至指定尺寸$canvas=imagecreatetruecolor($val['width'], $val['height']); imagefill($canvas, 0, 0, $color);//关键函数，参数（目标资源，源，目标资源的开始坐标x,y, 源资源的开始坐标x,y,目标资源的宽高w,h,源资源的宽高w,h） imagecopyresampled($canvas, $res, 0, 0, 0, 0, $val['width'], $val['height'],$resWidth,$resHeight); $val['left'] = $val['left']<0?$backgroundWidth- abs($val['left']) - $val['width']:$val['left'];$val['top'] = $val['top']<0?$backgroundHeight- abs($val['top']) - $val['height']:$val['top'];//放置图像imagecopymerge($imageRes,$canvas, $val['left'],$val['top'],$val['right'],$val['bottom'],$val['width'],$val['height'],$val['opacity']);//左，上，右，下，宽度，高度，透明度 }}//处理文字if(!empty($config['text'])){foreach ($config['text'] as $key => $val) {$val = array_merge($textDefault,$val);list($R,$G,$B) = explode(',', $val['fontColor']);$fontColor = imagecolorallocate($imageRes, $R, $G, $B); $val['left'] = $val['left']<0?$backgroundWidth- abs($val['left']):$val['left'];$val['top'] = $val['top']<0?$backgroundHeight- abs($val['top']):$val['top'];imagettftext($imageRes,$val['fontSize'],$val['angle'],$val['left'],$val['top'],$fontColor,$val['fontPath'],$val['text']); }}   //生成图片  if(!empty($filename)){$res = imagejpeg ($imageRes,$filename); //保存到本地imagedestroy($imageRes);if(!$res) return false;return $filename;}else{imagejpeg ($imageRes);          //在浏览器上显示imagedestroy($imageRes);}  }

绘图合并

public function user_qrcode(){$config = array('text'=>array(array('text'=>'不看二生','left'=>182,'top'=>100,'fontPath'=>'qrcode/simhei.ttf',     //字体文件'fontSize'=>36,             //字号'fontColor'=>'255,255,255',       //字体颜色'angle'=>0,),array('text'=>'我已使用，邀请你成为口播大师','left'=>182,'top'=>160,'fontPath'=>'qrcode/simhei.ttf',     //字体文件'fontSize'=>24,             //字号'fontColor'=>'255,255,255',       //字体颜色'angle'=>0,)),'image'=>array(array('url'=>'',       //图片资源路径'stream'=>0,'left'=>250,'top'=>-130,'right'=>0,'bottom'=>0,'width'=>190,'height'=>190,'opacity'=>100),array('url'=>'','left'=>40,'top'=>50,'right'=>0,'stream'=>0,'bottom'=>0,'width'=>120,'height'=>120,'opacity'=>100),),'background'=>'',);//$filename = "./public/qrcode/"."1.jpg";//echo $this->createPoster($config,$filename);$this->createPoster($config);die;}