setter

app/controller/manager/Coupon.php

@@ -12,6 +12,11 @@ use app\repository\BusinessRepository;
 use app\repository\CouponRepository;
 use app\validate\CouponRelease;
 use app\validate\CouponUsingRule;
+use Endroid\QrCode\Builder\Builder;
+use Endroid\QrCode\Encoding\Encoding;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelHigh;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeMargin;
+use Endroid\QrCode\Writer\PngWriter;
 use Exception;
 use think\facade\Config;
 use think\facade\Db;
@@ -25,6 +30,7 @@ use think\facade\Config as CConfig;
 class Coupon extends Base
 {
 
+    protected $noNeedLogin = ["downloadQrCode"];
     protected function initialize()
     {
         parent::initialize(); // TODO: Change the autogenerated stub
@@ -353,6 +359,45 @@ class Coupon extends Base
 
     }
 
+    /**
+     * 下载小程序二维码
+     * */
+    public function downloadQrCode()
+    {
+        $id =  input("id/d");
+        $couponMain = CouponMain::findById($id);
+        if(empty($couponMain)){
+            return $this->json(4001,"优惠券不存在");
+        }
+
+        $qrData = $this->request->domain() . "/coupon_info?id={$id}&business_code={$couponMain['business_code']}" ;
+
+        $w      = 3000;//尺寸
+
+        $logoImg    = app()->getRootPath().'public/static/images/icon-logo.jpg';
+
+        $result = Builder::create()
+            ->writer(new PngWriter())
+            ->writerOptions([])
+            ->data($qrData)
+            ->encoding(new Encoding('UTF-8'))
+            ->errorCorrectionLevel(new ErrorCorrectionLevelHigh())
+            ->size($w)
+            ->margin(10)
+            ->roundBlockSizeMode(new RoundBlockSizeModeMargin())
+            ->logoPath($logoImg)
+            ->logoResizeToHeight(ceil($w/6))
+            ->logoResizeToWidth(ceil($w/6))
+            ->logoPunchoutBackground(true)
+            ->build();
+        header(
+            "Content-type: image/jpg"
+        );
+        $path = "/storage/coupon/{$id}.jpg";
+        $result->saveToFile( public_path() . $path);
+
+        return download(public_path() . $path,$couponMain['name']);
+    }
 
 
 }

view/manager/coupon/index.html

@@ -86,12 +86,14 @@
 
 <!-- 操作列 -->
 <script type="text/html" id="row-operate">
+
     <a class="layui-btn layui-btn-primary layui-btn-xs" data-href="/manager/coupon/info.html?id={{d.id}}" data-title="【{{ d.name }}】详情" lay-event="info">详情</a>
     {{# if(d.on_shelf == 1){ }}
     <a class="layui-btn  layui-btn-xs" data-href="/manager/coupon/shelf.html?id={{d.id}}&&on_shelf=0" lay-event="shelf">上架</a>
     {{# }else{ }}
     <a class="layui-btn  layui-btn-xs" data-href="/manager/coupon/shelf.html?id={{d.id}}&&on_shelf=1" lay-event="shelf">下架</a>
     {{# } }}
+    <a class="layui-btn layui-btn-primary layui-btn-xs" target="_blank" href="/manager/coupon/downloadQrCode.html?id={{d.id}}">下载二维码</a>
     <a class="layui-btn layui-btn-primary layui-btn-xs" data-href="/manager/coupon/edit.html?id={{d.id}}" data-title="【{{ d.name }}】编辑" lay-event="info">编辑</a>
 </script>