ant-design-vue/components/dropdown/demo/context-menu.md

#### 右键菜单 默认是移入触发菜单，可以鼠标右键触发。 #### Context Menu The default trigger mode is `hover`, you can change it to `right click`.

<template>
  <a-dropdown :trigger="['contextmenu']">
    <span style="user-select: none">Right Click on Me</span>
    <a-menu slot="overlay">
      <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>