phpqrcode生成二维码
public function getImg(){
$uid=1000; //自定义用户id
require_once '/sdk/phpqrcode/phpqrcode.php'; //注意替换sdk路径
$object= new \QRcode();
$value = \App\get_upload_path('/appapi/Agent/share?code='.$code);
$errorCorrectionLevel = 'L';//容错级别
$matrixPointSize = 6;//生成图片大小
//二维码保存地址
$qrcode='/upload/qr/qrcode_'.$uid.'.png'; //注意替换sdk路径
$res=$object->png($value, $qrcode, $errorCorrectionLevel, $matrixPointSize, 2);
}