ant-design-vue/components/dropdown/demo/event.md

#### 触发事件 点击菜单项后会触发事件，用户可以通过相应的菜单项 key 进行不同的操作。 #### Click event An event will be triggered when you click menu items, in which you can make different operations according to item's key.

<template>
  <a-dropdown>
    <a class="ant-dropdown-link" href="#">
      Hover me, Click menu item <a-icon type="down" />
    </a>
    <a-menu slot="overlay" @click="onClick">
      <a-menu-item key="1">1st menu item</a-menu-item>
      <a-menu-item key="2">2nd menu item</a-menu-item>
      <a-menu-item key="3">3rd menu item</a-menu-item>
    </a-menu>
  </a-dropdown>
</template>

<script>
export default {
  methods: {
    onClick({ key }) {
      console.log(`Click on item ${key}`);
    }
  }
}
</script>