perf: 优化演示页面

src/views/components/button.vue

@@ -0,0 +1,22 @@
+<script setup lang="ts">
+import { ref } from "vue";
+
+defineOptions({
+  name: "ButtonPage"
+});
+
+const { VITE_PUBLIC_PATH } = import.meta.env;
+
+const url = ref(`${VITE_PUBLIC_PATH}html/button.html`);
+</script>
+
+<template>
+  <el-card shadow="never">
+    <template #header>
+      <div class="card-header">
+        <span class="font-medium">通过 iframe 引入按钮页面</span>
+      </div>
+    </template>
+    <iframe :src="url" frameborder="0" class="iframe w-full h-[60vh]" />
+  </el-card>
+</template>