ant-design-vue/examples/App.vue

<template>
  <div>
    <a-collapse :accordion="true" default-active-key="2" :bordered="false">
      <a-collapse-panel key="1" header="This is panel header 1">
        <p>{{ text }}</p>
      </a-collapse-panel>
      <a-collapse-panel key="2" header="This is panel header 2" :disabled="false">
        <p>{{ text }}</p>
      </a-collapse-panel>
      <a-collapse-panel key="3" header="This is panel header 3">
        <p>{{ text }}</p>
      </a-collapse-panel>
    </a-collapse>
  </div>
</template>
<script>
export default {
  data() {
    return {
      text: `A dog is a type of domesticated animal. Known for its loyalty and faithfulness, it can be found as a welcome guest in many households across the world.`,
    };
  },
};
</script>