Yii2.0-生成二維碼實例

composer安裝

1.composer下載：

php composer.phar require "2amigos/yii2-qrcode-helper" "*"

 

歸檔安裝

1.歸檔下載地址：

https://github.com/2amigos/yii2-qrcode-helper/archive/master.zip

2.將下載的包解壓重名為2amigos，放到/vendor/2amigos

3.找到/vendor/yiisoft/extensions.php,添加以下代碼到數組中

'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',
        ),
  ),

4.在控制器中寫入下列代碼

use dosamigos\qrcode\QrCode;

class index{

     /**
     * @name 生成二維碼
     * **/
    public function actionQrcode()
    {
        return Qrcode::png("baidu.com");

    }
}

5.在視圖中寫入下列代碼

<img src="<?=\yii\helpers\Url::to(['index/qrcode'])?>" />

本文參照http://www.yii-china.com/post/detail/19.html