Implementation code of YII2.0 framework to generate QR code function

installation via composer :

1. The following method is loaded via composer

PHP Composer.phar require "2amigos/yii2-qrcode-helper" "*"

or add

"2amigos/yii2-qrcode-helper": "*"

To the Composer.json file of the corresponding project

To install through an archive file:

Not accustomed to use composer users can click here to download the QR code extension .

Then unzip, change the file name to yii2-qrcode-helper into the vendor/2amigos/directory

Edit/vendor/yiisoft/extensions.php, add the following code to the array

' 2amigos/yii2-qrcode-helper ' = =    Array (    ' name ' = ' 2amigos/yii2-qrcode-helper ',    ' version ' = ' = ') 1.0.2.0 ',    ' alias ' = =     Array (     ' @dosamigos/qrcode ' = = $vendorDir. '/2amigos/yii2-qrcode-helper/src ',    ),),

Usage

Add the code to your controller

Use Dosamigos\qrcode\qrcode;  Introduce class \ \ ... public function Actionqrcode () {   return QRCode::p ng (' http://www.yii-china.com ');  Call the two-dimensional code generation method}public function Actiondemo () {  return $this->render (' Index ');}

Add the following code to your page (Demo/index)

Access Demo This way, you can see a beautiful two-dimensional code