实现思路：

在按钮上绑定一个点击事件，默认是true；
在export default { }中注册变量
给卡片标签用v-if判断是否要显示卡片，ture则显示；
在卡片里面写好你想要展示的数据；
给卡片添加一个取消按钮，绑定一个点击事件，值为false

完整代码

01-page.vue

<template>
<el-button type="danger" round @click="showCard= true">Danger</el-button>

  <el-card v-if="showCard" class="box-card">
    <template #header>
      <div class="card-header">
        <span>Card name</span>
        <el-button class="button" text>Operation button</el-button>
      </div>
    </template>
    <div v-for="o in 4" :key="o" class="text item">{{ 'List item ' + o }}</div>
    <button @click="showCard = false">取消</button>
  </el-card>

</template>

<script>
export default {
  data () {
    return {
      showCard: false
    }
  }
}
</script>

<style scoped>
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.text {
  font-size: 14px;
}

.item {
  margin-bottom: 18px;
}

.box-card {
  width: 480px;
}
</style>

index.js

import { createRouter, createWebHashHistory } from 'vue-router'
// eslint-disable-next-line camelcase
import zero_one from '../views/test_dir/01-page'

const routes = [
  {
    path: '/01',
    component: zero_one
  }
]

const router = createRouter({
  history: createWebHashHistory(),
  routes
})

export default router