增加了wave.vue的调用

vue/src/App.vue

@@ -1,3 +1,21 @@
 <template>
   <RouterView />
-</template>
+  <div id="app">
+    <wave />
+  </div>
+</template>
+
+<script>
+import WaveItem from './components/wave.vue';
+
+export default {
+  name: 'App',
+  components: {
+    WaveItem
+  }
+};
+</script>
+
+<style>
+/* Your global styles here */
+</style>