mingde-bd/application/admin/controller/Qrcode.php

<?php
namespace app\admin\controller;


use think\Controller;

class Qrcode extends Controller
{
    public function qrcode(){ // 流程超时提醒
        $yqcode = input('code','','trim');
        $type = input('type/d',0); // 0=不做处理 1=think
        if($type == 1){
            $yqcode = think_decrypt($yqcode);
        }
        //生成二维码图片
        $object = new \phpqrcode\QRcode();
        $level=3;
        $size=9;
        $errorCorrectionLevel =intval($level) ;//容错级别
        $matrixPointSize = intval($size);//生成图片大小

        $temp = './uploads/temp/'.md5($yqcode).'.png';
        $temp2 = './uploads/temp/'.md5($yqcode).'_2.png';
        $templogo = './uploads/temp/'.md5($yqcode).'_logo.png';
        $object->png($yqcode, $temp, $errorCorrectionLevel, $matrixPointSize, 2);

        $image = \think\Image::open($temp);
//
        $logowidth = round($image->width()/4);
//
        $orgId = cur_org_id();
//        if($orgId == 17){
//            $logo = './hb.png';
//        }else{
//            $logo = './logo.png';
//        }
        $logo = './logo.png';

        $imagelogo = \think\Image::open($logo);
        $imagelogo->thumb($logowidth,$logowidth,\think\Image::THUMB_SCALING)->save($templogo);

        $image->water($templogo,\think\Image::WATER_CENTER)->save($temp2);

        $QRBuffer = imagecreatefromstring(file_get_contents($temp2));
        @unlink($temp);
        @unlink($temp2);
        @unlink($templogo);
        //输出图片
        ob_clean();
        header('Content-type: image/png');
        imagepng($QRBuffer);
        exit();
    }
    public function wj_code(){ //问卷调查
        $get = $_GET;
        $r = '';
        $i = 1;
        foreach ($get as $k=>$v){
            if(count($get)!=$i && $k!='url'){
                $r.=$k.'='.$v.'&';
            }else{
                if($k!='url'){
                    $r.=$k.'='.$v;
                }else{
                    if(count($get)==$i){
                        $r.=$v;

                    }else{
                        $r.=$v.'&';

                    }
                }
            }
            $i++;
        }
        //  $value = $_GET['url'];//二维码内容
        $yqcode =$r;//二维码内容

        if (empty($yqcode)) {
            $this->error('URL不能为空');
        }
        //生成二维码图片
        $object = new \phpqrcode\QRcode();
        $level=3;
        $size=9;
        $errorCorrectionLevel =intval($level) ;//容错级别
        $matrixPointSize = intval($size);//生成图片大小

        $temp = './uploads/temp/'.md5($yqcode).'.png';
        $temp2 = './uploads/temp/'.md5($yqcode).'_2.png';
        $templogo = './uploads/temp/'.md5($yqcode).'_logo.png';
        $object->png($yqcode, $temp, $errorCorrectionLevel, $matrixPointSize, 2);
        $image = \think\Image::open($temp);
//
        $logowidth = round($image->width()/4);
//
        $orgId = cur_org_id();
//        if($orgId == 17){
//            $logo = './hb.png';
//        }else{
//            $logo = './logo.png';
//        }
        $logo = './logo.png';
        $imagelogo = \think\Image::open($logo);
        $imagelogo->thumb($logowidth,$logowidth,\think\Image::THUMB_SCALING)->save($templogo);

        $image->water($templogo,\think\Image::WATER_CENTER)->save($temp2);

        $QRBuffer = imagecreatefromstring(file_get_contents($temp2));
        @unlink($temp);
        @unlink($temp2);
        @unlink($templogo);
        //输出图片
        ob_clean();
        header('Content-type: image/png');
        imagepng($QRBuffer);
        exit();
    }
}