PHP利用endroid/qr-code生成个性二维码

需先安装拓展库

composer require endroid/qr-code

use Endroid\QrCode\Color\Color;
use Endroid\QrCode\Encoding\Encoding;
use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelHigh;
use Endroid\QrCode\QrCode;
use Endroid\QrCode\Label\Label;
use Endroid\QrCode\Logo\Logo;
use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeMargin;
use Endroid\QrCode\Writer\PngWriter;/*** @notes: myGenerateQrCode* @param $code_detail* @return array*/public function myGenerateQrCode($code_detail){/*$code_detail = ['qr_code_text'             => 'qr code text','qr_code_margin'           => 10,'logo_path'                => '/static/assets/images/logo.jpg','label_text'               => 'Label Text','label_text_color'         => [0, 0, 0]];*/if (!isset($code_detail['label_text_color'])) {$code_detail['label_text_color'] = [0, 0, 0];}try {$writer = new PngWriter();// Create QR code$qrCode = QrCode::create(strval($code_detail['qr_code_text']))->setEncoding(new Encoding('UTF-8'))->setErrorCorrectionLevel(new ErrorCorrectionLevelHigh())->setSize(640)->setMargin(20)->setRoundBlockSizeMode(new RoundBlockSizeModeMargin())->setForegroundColor(new Color(0, 0, 0))->setBackgroundColor(new Color(255, 255, 255));// Create generic logoif (isset($code_detail['logo_path'])) {$logo = Logo::create('.' . $code_detail['logo_path'])->setResizeToWidth(128);} else {$logo = null;}// Create generic labelif (isset($code_detail['label_text'])) {$label = Label::create(strval($code_detail['label_text']))->setTextColor(new Color($code_detail['label_text_color'][0], $code_detail['label_text_color'][1], $code_detail['label_text_color'][2]));} else {$label = null;}$result      = $writer->write($qrCode, $logo, $label);$folder_path = '/storage/qr_code/';$file_name   = get_now_date('YmdHis') . bin2hex(random_bytes(8));$file_path   = $folder_path . $file_name . '.png';// 如果需要修改定位标// $this->myGenerateQrCodeLocator($file_path);// 如果需要渐变色// $this->myGenerateQrCodeGradient($file_path);$result->saveToFile('.' . $file_path);return ['code'      => 200,'media_url' => $folder_path . $file_name . '.png','media_uri' => get_file_url($file_path)];} catch (\Exception $e) {return ['code' => 500,'msg'  => $e->getMessage()];}}/*** @notes: 二维码菱形定位标* @param $file_path* @return void*/public function myGenerateQrCodeLocator($file_path){// 加载二维码图像$qrImage = imagecreatefrompng('.' . $file_path);$width   = imagesx($qrImage);$height  = imagesy($qrImage);// 自定义定位标志的颜色$circleBorderColor = imagecolorallocate($qrImage, 255, 255, 255); // 圆圈边框颜色（黑色）$circleFillColor   = imagecolorallocate($qrImage, 0, 0, 0);       // 圆圈填充颜色（白色）$diamondColor      = imagecolorallocate($qrImage, 0, 0, 0);       // 菱形颜色（黑色）$squareColor       = imagecolorallocate($qrImage, 255, 255, 255); // 正方形颜色（红色）// 绘制自定义定位标志function drawMarker($image, $x, $y, $circleBorderColor, $circleFillColor, $diamondColor, $squareColor){imageantialias($image, true);// 绘制正方形imagefilledrectangle($image, $x - 90, $y - 90, $x + 90, $y + 90, $squareColor);// 绘制圆圈填充imagefilledellipse($image, $x, $y, 160, 160, $circleFillColor);   // 增加直径// 绘制圆圈边框imagefilledellipse($image, $x, $y, 100, 100, $circleBorderColor); // 增加直径// 绘制菱形$diamondPoints = [$x, $y - 30, // 上$x + 30, $y, // 右$x, $y + 30, // 下$x - 30, $y  // 左];imagefilledpolygon($image, $diamondPoints, 4, $diamondColor);}// 定位标志的位置$markerPositions = [[105, 105],           // 左上角[105, $height - 135], // 左下角[$width - 105, 105]   // 右上角];// 绘制定位标志foreach ($markerPositions as $position) {drawMarker($qrImage, $position[0], $position[1], $circleBorderColor, $circleFillColor, $diamondColor, $squareColor);}// 保存最终带自定义定位标志的二维码imagepng($qrImage, '.' . $file_path, 9);// 清理内存imagedestroy($qrImage);}/*** @notes: 二维码渐变颜色* @param $file_path* @return void*/public function myGenerateQrCodeGradient($file_path){// 加载二维码图像$qrImage = imagecreatefrompng('.' . $file_path);$width   = imagesx($qrImage);$height  = imagesy($qrImage);// 创建空白图像$gradientImage = imagecreatetruecolor($width, $height);// 创建渐变色for ($y = 0; $y < $height; $y++) {$r     = (int)(255 * ($y / $height));  // 红色渐变$g     = 0;$b     = (int)(255 * (1 - $y / $height));  // 蓝色渐变$color = imagecolorallocate($gradientImage, $r, $g, $b);imageline($gradientImage, 0, $y, $width, $y, $color);}// 合成渐变背景和二维码for ($x = 0; $x < $width; $x++) {for ($y = 0; $y < $height; $y++) {$pixelColor = imagecolorat($qrImage, $x, $y);$rgba       = imagecolorsforindex($qrImage, $pixelColor);// 如果是黑色，则替换为渐变色if ($rgba['red'] == 0 && $rgba['green'] == 0 && $rgba['blue'] == 0) {$colorAtGradient = imagecolorat($gradientImage, $x, $y);imagesetpixel($qrImage, $x, $y, $colorAtGradient);}}}// 保存最终带渐变色的二维码imagepng($qrImage, '.' . $file_path);// 清理内存imagedestroy($qrImage);imagedestroy($gradientImage);}