关闭通知，有消息时自动弹通知

src/views/home.vue

@@ -52,6 +52,7 @@ export default {
       //3秒轮询一次
       this.pollingTimer = setInterval(async () => {
         const data = {msg: '友仓智慧物流,软件定义物流。', msgType: 'INFO'}
+        console.log(data)
         this.createOrUpdateNotification(data)
       }, 3000);
     },
@@ -114,8 +115,13 @@ export default {
         message: data.msg,
         type: 'success',
         offset: 100,
-        duration: 0
+        duration: 0,
+        onClose: this.onNotificationClose // 关闭时调用的方
       });
+    },
+    onNotificationClose() {
+      this.showNotification = false;
+      this.notificationInstance = null;
     }
   },
   beforeDestroy() {
@@ -126,7 +132,10 @@ export default {
       this.websock.close();
     }
     if (this.notificationInstance) {
+      console.log(111)
       this.notificationInstance.close();  // 关闭通知
+      this.showNotification = false;
+      this.notificationInstance = null;
     }
   }
 }