ant-design-vue/components/vc-drawer/demo/placement.jsx

import Drawer from '../src/index'
import Menu from '../../menu/index'
import Icon from '../../icon/index'
import '../assets/index.less'
import '../../menu/style/index'
import '../../icon/style/index'
import '../../button/style/index'
import '../../select/style/index'

const SubMenu = Menu.SubMenu
const MenuItemGroup = Menu.ItemGroup

export default {
  data () {
    return {
      placement: 'right',
      childShow: true,
      width: '20vw',
      height: null,
    }
  },
  methods: {
    onChange (event) {
      const value = event.target.value
      this.placement = value
      this.width = value === 'right' || value === 'left' ? '20vw' : null
      this.height = value === 'right' || value === 'left' ? null : '20vh'
      this.childShow = false // 删除子级，删除切换时的过渡动画。。。
      this.$nextTick(() => {
        this.childShow = true
      })
    },
  },
  render () {
    return (
      <div >
        {this.childShow && (
          <Drawer placement={this.placement} width={this.width} hieght={this.height}>
            <Menu
              defaultSelectedKeys={['1']}
              defaultOpenKeys={['sub1']}
              mode='inline'
            >
              <SubMenu
                key='sub1'
                title={<span><Icon type='mail' /><span>Navigation One</span></span>}
              >
                <MenuItemGroup key='g1' title='Item 1'>
                  <Menu.Item key='1'>Option 1</Menu.Item>
                  <Menu.Item key='2'>Option 2</Menu.Item>
                </MenuItemGroup>
                <MenuItemGroup key='g2' title='Item 2'>
                  <Menu.Item key='3'>Option 3</Menu.Item>
                  <Menu.Item key='4'>Option 4</Menu.Item>
                </MenuItemGroup>
              </SubMenu>
              <SubMenu
                key='sub2'
                title={<span><Icon type='appstore' /><span>Navigation Two</span></span>}
              >
                <Menu.Item key='5'>Option 5</Menu.Item>
                <Menu.Item key='6'>Option 6</Menu.Item>
                <SubMenu key='sub3' title='Submenu'>
                  <Menu.Item key='7'>Option 7</Menu.Item>
                  <Menu.Item key='8'>Option 8</Menu.Item>
                </SubMenu>
              </SubMenu>
              <SubMenu
                key='sub4'
                title={<span><Icon type='setting' /><span>Navigation Three</span></span>}
              >
                <Menu.Item key='9'>Option 9</Menu.Item>
                <Menu.Item key='10'>Option 10</Menu.Item>
                <Menu.Item key='11'>Option 11</Menu.Item>
                <Menu.Item key='12'>Option 12</Menu.Item>
              </SubMenu>
            </Menu>
          </Drawer>
        )}
        <div
          style={{
            width: '100%', height: 667, background: '#fff000',
            color: '#000', textAlign: 'center', lineHeight: '667px',
          }}
        >
          选择位置：
          <select
            style={{ width: '120px', marginLeft: '20px' }}
            value={this.placement}
            onChange={this.onChange}
          >
            <option value='left'>左边 left</option>
            <option value='top'>上面 top</option>
            <option value='right'>右边 right</option>
            <option value='bottom'>下面 bottom</option>
          </select>
        </div>
      </div>
    )
  },
}