admin/src/views/demo/main-out/index.vue

<template>
  <div class="test"> 位于主框架外的页面 </div>
</template>
<script lang="ts">
  import { defineComponent } from 'vue';

  export default defineComponent({});
</script>

<style scoped>
  .test {
    position: fixed;
    display: flex;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
    font-size: 50px;
  }
</style>