assign('msg', '内容参数为空'); return $this->fetch('public/tips_error'); } (new \base\Qrcode())->View($params); } /** * 二维码下载 * @author Devil * @blog http://gong.gg/ * @version 1.0.0 * @datetime 2019-04-16T21:52:18+0800 */ public function Download() { $params = input(); $ret = (new \base\Qrcode())->Download($params); if(!empty($ret) && isset($ret['code']) && $ret['code'] != 0) { $this->assign('msg', $ret['msg']); return $this->fetch('public/tips_error'); } } } ?>