ant-design-vue/antdv-demo/docs/tabs/demo/extra.md

#### 附加内容 可以在页签右边添加附加操作。 #### Extra content You can add extra actions to the right of Tabs.

<template>
  <a-tabs>
    <a-tab-pane key="1" tab="Tab 1">
      Content of tab 1
    </a-tab-pane>
    <a-tab-pane key="2" tab="Tab 2">
      Content of tab 2
    </a-tab-pane>
    <a-tab-pane key="3" tab="Tab 3">
      Content of tab 3
    </a-tab-pane>
    <a-button slot="tabBarExtraContent">
      Extra Action
    </a-button>
  </a-tabs>
</template>