<a href="javascript:;" data-url="{$vo.url}" class="info_generate_qr">生成二维码</a>

$(".info_generate_qr").on('click', function () {

    let url = $(this).data('url');

    window.open('__APP__/Women/generate_qr?url='+encodeURIComponent(url));

});

/**

 * 生成二维码

 */

public function generate_qr() {

    $url = $_GET['url'];

    $qrCode = new QrCode();

    $qrCode->setText($url)

        ->setSize(300)

        ->setPadding(10)

        ->setErrorCorrection('high')

        ->setForegroundColor(['r' => 0, 'g' => 0, 'b' => 0, 'a' => 0])

        ->setBackgroundColor(['r' => 255, 'g' => 255, 'b' => 255, 'a' => 0])

        ->setLabelFontSize(16)

        ->setImageType(QrCode::IMAGE_TYPE_PNG);

    header('Content-Type: '.$qrCode->getContentType());

    $qrCode->render();

}

这里的encodeURIComponent，很重要。否则获取url参数的时候，容易造成数据丢失。