Implementation code of Yii2.0 framework to generate QR code function

黄舟
Release: 2023-03-16 18:46:01
Original
2213 people have browsed it

通过composer安装:

1.下面的方法是通过composer加载


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


"2amigos/yii2-qrcode-helper" : "*"
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到对应项目的composer.json文件中

通过归档文件安装:

不习惯用composer的用户可以点击此处本站下载二维码扩展

然后解压,将文件名修改为yii2-qrcode-helper放入vendor/2amigos/目录下面

编辑/vendor/yiisoft/extensions.php,添加以下代码到数组中


'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',
    ),
 ),
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用法

在你的控制器中添加一下代码


use dosamigos\qrcode\QrCode;  //引入类
\\ ... 
public function actionQrcode() 
{ 
  return QrCode::png('http://www.yii-china.com');  //调用二维码生成方法
}
public function actionDemo()
{
  return $this->render('index');
}
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在你的页面中添加以下代码 (demo/index)


<img src="<?= Url::to([&#39;index/qrcode&#39;])?>" />
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访问demo这个方法,就能看到一张漂亮的二维码了

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