update

@@ -6,6 +6,7 @@
 use BaconQrCode\Renderer\ImageRenderer;
 use BaconQrCode\Renderer\RendererStyle\RendererStyle;
 use BaconQrCode\Writer;
+use Illuminate\Http\Request;
 use karmabunny\BaconBackends\GdImageBackEnd;
 use setasign\Fpdi\Fpdi;
 use SimpleSoftwareIO\QrCode\Facades\QrCode;
@@ -36,10 +37,16 @@ protected function error($message = 'error', $status = 400, $data = [])
         return json_encode($array, JSON_UNESCAPED_UNICODE);
     }
 
-    public function addQrToPdf()
+    public function addQrToPdf(Request $request)
     {
-        $sourceFile = public_path('original.pdf');
-        $qrText = 'https://www.bing.com';
+        $sourceFile = $request->input('original_pdf');
+        if (empty($sourceFile)) {
+            return $this->error('原始pdf未知');
+        }
+        $qrText = $request->input('qr_text');
+        if (empty($qrText)) {
+            return $this->error('二维码内容未知');
+        }
 
         // 生成二维码图片
         $qrImage = public_path('qrcode_temp.png');
@@ -91,7 +98,8 @@ public function addQrToPdf()
             }
         }
 
-        $outputFile = public_path('output.pdf');
+        // 生成新的pdf文件
+        $outputFile = substr($sourceFile, 0, -4) . '_' . time() . '.pdf';
         $pdf->Output('F', $outputFile);
 
         // 删除临时二维码图片