解決打印多个二维码问题

src/xt_pages/user/components/PatientDetail.vue

@@ -1062,6 +1062,7 @@ export default {
     },
 
     qrcode(patientID, name, gender, idCardNo, dialysisNo, phone, healthCareNo) {
+      document.getElementById("qrcode").innerHTML = "";
       new QRCode('qrcode', {
         width: 200,
         height: 200,