ant-design/components/dropdown/demo/trigger.md

# 触发方式

- order: 1

点击或鼠标移入触发。

---

````jsx
var Menu = antd.Menu;
var Dropdown = antd.Dropdown;

var menu = <Menu>
  <Menu.Item key="0">
    <a href="http://www.alipay.com/">第一个菜单项</a>
  </Menu.Item>
  <Menu.Item key="1">
    <a href="http://www.taobao.com/">第二个菜单项</a>
  </Menu.Item>
  <Menu.Divider/>
  <Menu.Item key="3">第三个菜单项</Menu.Item>
</Menu>;

React.render(
  <div>
    <Dropdown overlay={menu} trigger="click">
      <button className="ant-btn ant-btn-ghost">
        点我下来 <i className="anticon anticon-caret-down"></i>
      </button>
    </Dropdown>
    <Dropdown overlay={menu}>
      <button className="ant-btn ant-btn-ghost">
        鼠标移入 <i className="anticon anticon-caret-down"></i>
      </button>
    </Dropdown>
  </div>
, document.getElementById('components-dropdown-demo-trigger'));
````