本文实例讲述了Laravel使用PHPQRCODE实现生成带有LOGO的二维码图片功能。分享给大家供大家参考，具体如下：
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/**
* 利用phpqrcode来实现生成带有logo的二维码图片
*/
public function getQrCode(Request $request){
$type = $request->input('type');//传递的类型 ios | android
require_once(dirname(__FILE__) . '/phpqrcode/' . 'phpqrcode.php');
$errorCorrectionLevel = 'H'; // 错误校正
$matrixPointSize = 5; // 边界空白位置
$QRcode = new \QRcode;
if($type){
if($type == 'ios'){
$value = 'http://www.ios.com'; // 二维码存放的内容
$QRcode->png($value, 'ios.png', $errorCorrectionLevel, $matrixPointSize, 2); //生成二维码
//echo "二维码已生成";
$logo = 'logo.png';//logo的图片地址
//echo " <img src='../../../public/logo.png'>";
$QR = 'ios.png'; //二维码图片地址
//echo " <img src='../../../ios.png'>";
if($logo !== FALSE){
$QR = imagecreatefromstring(file_get_contents($QR));
$logo = imagecreatefromstring(file_get_contents($logo));
$QR_width = imagesx($QR);
$QR_height = imagesy($QR);
$logo_width = imagesx($logo);
$logo_height = imagesy($logo);
$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, $logo_height);
}
imagepng($QR,'ios.png'); //跟logo合并之后的地址
$a = 'http://www.ios.com/ios.png';
$status = 0;
$msg = $a;
}elseif($type == 'android'){
$value = 'http://www.android.com'; // 二维码存放的内容
//var_dump($value);
$QRcode->png($value, 'android.png', $errorCorrectionLevel, $matrixPointSize, 2); //生成二维码
//echo "二维码已生成";
$logo = 'logo.png';//logo的图片地址
//echo " <img src='../../../public/logo.png'>";
$QR = 'android.png'; //二维码图片地址
//echo " <img src='../../../android.png'>";
if($logo !== FALSE){
$QR = imagecreatefromstring(file_get_contents($QR));
$logo = imagecreatefromstring(file_get_contents($logo));
$QR_width = imagesx($QR);
$QR_height = imagesy($QR);
$logo_width = imagesx($logo);
$logo_height = imagesy($logo);
$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, $logo_height);
}
imagepng($QR,'android.png'); //跟logo合并之后的地址
$a = 'http://www.android.com/android.png';
$status = 0;
$msg = $a;
}else{
$status = 1;
$msg = '没有该类型！';
}
//QRcode::png($value, 'sunny.png', $errorCorrectionLevel, $matrixPointSize, 2); //生成二维码
}else{
$status = 2;
$msg = '参数传递不完整！';
}
return response()->json(['status' => $status,'msg' => $msg])->header('Access-Control-Allow-Origin', '*');
}
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PS：这里再为大家推荐一款二维码在线生成工具供大家参考使用：
在线生成二维码工具(加强版)https://tool.zzvips.com/t/qrcode/
希望本文所述对大家PHP程序设计有所帮助。