#### 带下拉框的按钮
左边是按钮，右边是额外的相关功能菜单。可设置 `icon` 属性来修改右边的图标。
#### Button with dropdown menu
A button is on the left, and a related functional menu is on the right. You can set the icon property to modify the icon of right.
```vue
Dropdown
1st menu item
2nd menu item
3rd item
Dropdown
1st menu item
2nd menu item
3rd item
Dropdown
1st menu item
2nd menu item
3rd item
1st menu item
2nd menu item
3rd item
Button
```