How to Use Dropdown in Vue 3 with Ant Design

<template>
  <a-dropdown>
    <a class="ant-dropdown-link" @click.prevent>
      Hover me
      <DownOutlined />
    </a>
    <template #overlay>
      <a-menu>
        <a-menu-item>
          <a href="javascript:;">1st menu item</a>
        </a-menu-item>
        <a-menu-item>
          <a href="javascript:;">2nd menu item</a>
        </a-menu-item>
        <a-menu-item>
          <a href="javascript:;">3rd menu item</a>
        </a-menu-item>
      </a-menu>
    </template>
  </a-dropdown>
</template>
<script lang="ts">
import { defineComponent } from 'vue';
import { DownOutlined } from '@ant-design/icons-vue';

export default defineComponent({
  components: {
    DownOutlined,
  },
});
</script>

<template>
  <div class="demo-dropdown-wrap">
    <a-dropdown-button @click="handleButtonClick">
      Dropdown
      <template #overlay>
        <a-menu @click="handleMenuClick">
          <a-menu-item key="1">
            <UserOutlined />
            1st menu item
          </a-menu-item>
          <a-menu-item key="2">
            <UserOutlined />
            2nd menu item
          </a-menu-item>
          <a-menu-item key="3">
            <UserOutlined />
            3rd item
          </a-menu-item>
        </a-menu>
      </template>
    </a-dropdown-button>
    <a-dropdown-button>
      Dropdown
      <template #overlay>
        <a-menu @click="handleMenuClick">
          <a-menu-item key="1">
            <UserOutlined />
            1st menu item
          </a-menu-item>
          <a-menu-item key="2">
            <UserOutlined />
            2nd menu item
          </a-menu-item>
          <a-menu-item key="3">
            <UserOutlined />
            3rd item
          </a-menu-item>
        </a-menu>
      </template>
      <template #icon><UserOutlined /></template>
    </a-dropdown-button>
    <a-dropdown-button disabled @click="handleButtonClick">
      Dropdown
      <template #overlay>
        <a-menu @click="handleMenuClick">
          <a-menu-item key="1">
            <UserOutlined />
            1st menu item
          </a-menu-item>
          <a-menu-item key="2">
            <UserOutlined />
            2nd menu item
          </a-menu-item>
          <a-menu-item key="3">
            <UserOutlined />
            3rd item
          </a-menu-item>
        </a-menu>
      </template>
    </a-dropdown-button>
    <a-dropdown>
      <template #overlay>
        <a-menu @click="handleMenuClick">
          <a-menu-item key="1">
            <UserOutlined />
            1st menu item
          </a-menu-item>
          <a-menu-item key="2">
            <UserOutlined />
            2nd menu item
          </a-menu-item>
          <a-menu-item key="3">
            <UserOutlined />
            3rd item
          </a-menu-item>
        </a-menu>
      </template>
      <a-button>
        Button
        <DownOutlined />
      </a-button>
    </a-dropdown>
  </div>
</template>
<script lang="ts">
import { defineComponent } from 'vue';
import { UserOutlined, DownOutlined } from '@ant-design/icons-vue';
import type { MenuProps } from 'ant-design-vue';

export default defineComponent({
  components: {
    UserOutlined,
    DownOutlined,
  },
  setup() {
    const handleButtonClick = (e: Event) => {
      console.log('click left button', e);
    };
    const handleMenuClick: MenuProps['onClick'] = e => {
      console.log('click', e);
    };
    return {
      handleButtonClick,
      handleMenuClick,
    };
  },
});
</script>

<template>
  <a-dropdown>
    <a class="ant-dropdown-link" @click.prevent>
      Cascading menu
      <DownOutlined />
    </a>
    <template #overlay>
      <a-menu>
        <a-menu-item>1st menu item</a-menu-item>
        <a-menu-item>2nd menu item</a-menu-item>
        <a-sub-menu key="sub1" title="sub menu">
          <a-menu-item>3rd menu item</a-menu-item>
          <a-menu-item>4th menu item</a-menu-item>
        </a-sub-menu>
        <a-sub-menu key="sub2" title="disabled sub menu" disabled>
          <a-menu-item>5d menu item</a-menu-item>
          <a-menu-item>6th menu item</a-menu-item>
        </a-sub-menu>
      </a-menu>
    </template>
  </a-dropdown>
</template>
<script lang="ts">
import { defineComponent } from 'vue';
import { DownOutlined } from '@ant-design/icons-vue';
export default defineComponent({
  components: {
    DownOutlined,
  },
});
</script>