vitevue32/docs/components/dropdown/doc/demo1.vue

<template>
  <m-dropdown title="下拉菜单" @change="handleChange">
    <template #dropdown>
      <m-dropdown-menu>
        <m-dropdown-item>菜单1</m-dropdown-item>
        <m-dropdown-item>菜单2</m-dropdown-item>
        <m-dropdown-item>菜单3</m-dropdown-item>
        <m-dropdown-item>菜单4</m-dropdown-item>
        <m-dropdown-item>菜单5</m-dropdown-item>
      </m-dropdown-menu>
    </template>
  </m-dropdown>
</template>

<script setup>
const handleChange = (e) => {
  console.log(e);
}
</script>