Home Backend Development PHP Tutorial Laravel uses PHPQRCODE to generate QR code images with LOGO

Laravel uses PHPQRCODE to generate QR code images with LOGO

Feb 08, 2018 pm 01:56 PM
laravel php

This article mainly introduces Laravel to use PHPQRCODE to realize the function of generating QR code images with LOGO. It involves the relevant calling and setting operation skills of introducing the PHPQRCODE class into php to generate QR code images. Friends who need it can refer to it. I hope it can Help everyone.


/**
* 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=&#39;../../../public/logo.png&#39;>";
        $QR = &#39;ios.png&#39;; //二维码图片地址
        //echo " <img src=&#39;../../../ios.png&#39;>";
        if($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,&#39;ios.png&#39;); //跟logo合并之后的地址
        $a   =  &#39;http://www.ios.com/ios.png&#39;;
        $status =  0;
        $msg  =  $a;
      }elseif($type == &#39;android&#39;){
          $value =  &#39;http://www.android.com&#39;; // 二维码存放的内容
          //var_dump($value);
          $QRcode->png($value, &#39;android.png&#39;, $errorCorrectionLevel, $matrixPointSize, 2); //生成二维码
          //echo "二维码已生成";
          $logo = &#39;logo.png&#39;;//logo的图片地址
          //echo " <img src=&#39;../../../public/logo.png&#39;>";
          $QR = &#39;android.png&#39;; //二维码图片地址
          //echo " <img src=&#39;../../../android.png&#39;>";
          if($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,&#39;android.png&#39;); //跟logo合并之后的地址
          $a   =  &#39;http://www.android.com/android.png&#39;;
          $status =  0;
          $msg  =  $a;
      }else{
        $status =  1;
        $msg  =  &#39;没有该类型!&#39;;
      }
      //QRcode::png($value, &#39;sunny.png&#39;, $errorCorrectionLevel, $matrixPointSize, 2); //生成二维码
    }else{
      $status =  2;
      $msg  =  &#39;参数传递不完整!&#39;;
    }
    return response()->json([&#39;status&#39; => $status,&#39;msg&#39; => $msg])->header(&#39;Access-Control-Allow-Origin&#39;, &#39;*&#39;);
}
Copy after login

Related recommendations:

Example of WeChat QR code image generator implemented in JavaScript

Summary of methods for generating QR code images in php

Small example of generating and parsing QR code images with ZXing in java

The above is the detailed content of Laravel uses PHPQRCODE to generate QR code images with LOGO. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

PHP and Python: Different Paradigms Explained PHP and Python: Different Paradigms Explained Apr 18, 2025 am 12:26 AM

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

Why Use PHP? Advantages and Benefits Explained Why Use PHP? Advantages and Benefits Explained Apr 16, 2025 am 12:16 AM

The core benefits of PHP include ease of learning, strong web development support, rich libraries and frameworks, high performance and scalability, cross-platform compatibility, and cost-effectiveness. 1) Easy to learn and use, suitable for beginners; 2) Good integration with web servers and supports multiple databases; 3) Have powerful frameworks such as Laravel; 4) High performance can be achieved through optimization; 5) Support multiple operating systems; 6) Open source to reduce development costs.

Choosing Between PHP and Python: A Guide Choosing Between PHP and Python: A Guide Apr 18, 2025 am 12:24 AM

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

Laravel Introduction Example Laravel Introduction Example Apr 18, 2025 pm 12:45 PM

Laravel is a PHP framework for easy building of web applications. It provides a range of powerful features including: Installation: Install the Laravel CLI globally with Composer and create applications in the project directory. Routing: Define the relationship between the URL and the handler in routes/web.php. View: Create a view in resources/views to render the application's interface. Database Integration: Provides out-of-the-box integration with databases such as MySQL and uses migration to create and modify tables. Model and Controller: The model represents the database entity and the controller processes HTTP requests.

PHP and Python: A Deep Dive into Their History PHP and Python: A Deep Dive into Their History Apr 18, 2025 am 12:25 AM

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP: An Introduction to the Server-Side Scripting Language PHP: An Introduction to the Server-Side Scripting Language Apr 16, 2025 am 12:18 AM

PHP is a server-side scripting language used for dynamic web development and server-side applications. 1.PHP is an interpreted language that does not require compilation and is suitable for rapid development. 2. PHP code is embedded in HTML, making it easy to develop web pages. 3. PHP processes server-side logic, generates HTML output, and supports user interaction and data processing. 4. PHP can interact with the database, process form submission, and execute server-side tasks.

PHP and the Web: Exploring its Long-Term Impact PHP and the Web: Exploring its Long-Term Impact Apr 16, 2025 am 12:17 AM

PHP has shaped the network over the past few decades and will continue to play an important role in web development. 1) PHP originated in 1994 and has become the first choice for developers due to its ease of use and seamless integration with MySQL. 2) Its core functions include generating dynamic content and integrating with the database, allowing the website to be updated in real time and displayed in personalized manner. 3) The wide application and ecosystem of PHP have driven its long-term impact, but it also faces version updates and security challenges. 4) Performance improvements in recent years, such as the release of PHP7, enable it to compete with modern languages. 5) In the future, PHP needs to deal with new challenges such as containerization and microservices, but its flexibility and active community make it adaptable.

PHP vs. Python: Use Cases and Applications PHP vs. Python: Use Cases and Applications Apr 17, 2025 am 12:23 AM

PHP is suitable for web development and content management systems, and Python is suitable for data science, machine learning and automation scripts. 1.PHP performs well in building fast and scalable websites and applications and is commonly used in CMS such as WordPress. 2. Python has performed outstandingly in the fields of data science and machine learning, with rich libraries such as NumPy and TensorFlow.

See all articles