feat：对接消息相关接口

src/views/home/index.vue

@@ -1,6 +1,6 @@
 <template>
   <box1 />
-  <box2 />
+  <box2 @switch-spot="switchSpot" />
   <box3 />
 </template>
 
@@ -22,10 +22,20 @@
           JSON.stringify({
             action: 'start',
             type: 'index',
-            scenitspot: 'index'
+            scenicSpot: '4'
           })
         )
       }
     }
   )
+
+  const switchSpot = (e) => {
+    sendMessage(
+      JSON.stringify({
+        action: 'start',
+        type: 'index',
+        scenicSpot: e
+      })
+    )
+  }
 </script>