@uiw/react-dropdown

Dropdown 下拉菜单

向下弹出的列表。

import { Dropdown } from 'uiw';

基本用法

import { Dropdown, Menu, ButtonGroup, Button, Divider, Icon } from 'uiw';

const menu = (
  <Menu bordered style={{ minWidth: 120 }}>
    <Menu.Item icon="reload" text="重新加载" />
    <Menu.Item icon="heart-on" text="另存为" active />
    <Menu.Item icon="appstore" text="应用商城" />
    <Menu.Item icon="bar-chart" text="月统计报表" />
    <Menu.Item icon="setting" text="偏好设置" />
  </Menu>
);

class Demo extends React.Component {
  render() {
    return (
      <div>
        <Dropdown menu={menu}>
          <a href="javascript:void(0)">
            鼠标经过出现菜单 <Icon type="down" />
          </a>
        </Dropdown>
        <Dropdown trigger="click" menu={menu}>
          <a href="javascript:void(0)">
            点击我出现下拉菜单 <Icon type="down" />
          </a>
        </Dropdown>
        <Divider />
        <ButtonGroup style={{ marginRight: 5, display: 'inline-block' }}>
          <Button icon="copy">点击右边</Button>
          <Dropdown trigger="click" placement="bottomRight" menu={menu}>
            <Button icon="more" />
          </Dropdown>
        </ButtonGroup>
        <Dropdown trigger="click" menu={menu}>
          <Button basic icon="file-text" type="dark">文件<Icon type="caret-down" /></Button>
        </Dropdown>
      </div>
    )
  }
}
ReactDOM.render(<Demo />, _mount_);

被禁用

import { Dropdown, Menu, ButtonGroup, Button } from 'uiw';

const menu = (
  <Menu bordered style={{ maxWidth: 200 }}>
    <Menu.Item icon="reload" text="重新加载" />
    <Menu.Divider />
    <Menu.Item icon="heart-on" text="另存为" active />
    <Menu.Item icon="appstore" text="应用商城" />
    <Menu.Item icon="bar-chart" text="月统计报表导出" />
    <Menu.Item icon="setting" text="偏好设置" />
  </Menu>
);

ReactDOM.render(
  <div>
    <ButtonGroup style={{ marginRight: 5, display: 'inline-block' }}>
      <Button disabled icon="copy">点击右边</Button>
      <Dropdown disabled trigger="click" placement="bottomRight" menu={menu}>
        <Button icon="more" />
      </Dropdown>
    </ButtonGroup>
    <Dropdown disabled menu={menu}>
      <Button basic type="link"> (超连接样式)link </Button>
    </Dropdown>
    <Dropdown disabled menu={menu}>
      <Button type="primary">主要按钮</Button>
    </Dropdown>
    <Dropdown disabled menu={menu}>
      <Button type="success">成功按钮</Button>
    </Dropdown>
    <Dropdown disabled menu={menu}>
      <Button type="warning">警告按钮</Button>
    </Dropdown>
    <Dropdown disabled menu={menu}>
      <Button type="danger">错误按钮</Button>
    </Dropdown>
    <Dropdown disabled menu={menu}>
      <Button type="light">亮按钮</Button>
    </Dropdown>
    <Dropdown disabled menu={menu}>
      <Button type="dark">暗按钮</Button>
    </Dropdown>
  </div>,
  _mount_
);

弹出位置

import { Dropdown, Menu, ButtonGroup, Button } from 'uiw';

const menu = (
  <Menu bordered style={{ maxWidth: 200 }}>
    <Menu.Item icon="reload" text="重新加载" />
    <Menu.Divider />
    <Menu.Item icon="heart-on" text="另存为" active />
    <Menu.Item icon="appstore" text="应用商城" />
    <Menu.Item icon="bar-chart" text="月统计报表导出" />
    <Menu.Item icon="setting" text="偏好设置" />
  </Menu>
);

ReactDOM.render(
  <div>
    <ButtonGroup style={{ marginRight: 5, display: 'inline-block' }}>
      <Button icon="copy">top</Button>
      <Dropdown trigger="click" placement="top" menu={menu}>
        <Button icon="more" />
      </Dropdown>
    </ButtonGroup>
    <Dropdown menu={menu} trigger="click" placement="topLeft">
      <Button type="primary">topLeft</Button>
    </Dropdown>
    <Dropdown menu={menu} trigger="click" placement="topRight">
      <Button type="success">topRight</Button>
    </Dropdown>
    <Divider />
    <Dropdown menu={menu} trigger="click" placement="bottomRight">
      <Button type="light">bottomRight</Button>
    </Dropdown>
    <Dropdown menu={menu} trigger="click" placement="bottom">
      <Button type="warning">bottom</Button>
    </Dropdown>
    <Dropdown menu={menu} trigger="click" placement="bottomLeft">
      <Button type="danger">bottomLeft</Button>
    </Dropdown>
    <Dropdown menu={menu} trigger="click" placement="right">
      <Button type="dark">right</Button>
    </Dropdown>
  </div>,
  _mount_
);

选择器

import { Dropdown, Menu, Button, Icon } from 'uiw';

class Select extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      value: props.value,
      isOpen: false,
    };
  }
  UNSAFE_componentWillReceiveProps(nextProps) {
    if (nextProps.value !== this.props.value) {
      this.setState({ value: nextProps.value });
    }
  }
  onVisibleChange(isOpen) {
    this.setState({ isOpen });
  }
  onClick(item) {
    const { onChange } = this.props;
    this.setState({ value: item.value, isOpen: false }, () => {
      onChange && onChange(item);
    });
  }
  render() {
    const { option } = this.props;
    const { isOpen, value } = this.state;
    const label = option.find(item => value === item.value);
    return (
      <Dropdown
        trigger="click"
        onVisibleChange={this.onVisibleChange.bind(this)}
        isOpen={isOpen}
        menu={
          <Menu bordered style={{ minWidth: 120 }}>
            {option.map((item, idx) => {
              const active = value === item.value;
              return (
                <Menu.Item active={active} key={idx} text={item.label} onClick={this.onClick.bind(this, item)}/>
              );
            })}
          </Menu>
        }
      >
        <Button type="link">{label.label}<Icon type={isOpen ? 'up' : 'down'} /></Button>
      </Dropdown>
    )
  }
}

const option = [
  { label: '往返', value: 1 },
  { label: '单程', value: 2 },
  { label: '联程', value: 3 },
  { label: 'Nomad', value: 4 },
];

const option2 = [
  { label: '经济舱', value: 1 },
  { label: '豪华经济舱', value: 2 },
  { label: '商务舱', value: 3 },
  { label: '头等舱', value: 4 },
];

ReactDOM.render(
  <div>
    <Select option={option} value={1} onChange={(item) => { console.log('item', item); }} />
    <Select option={option2} value={2} onChange={(item) => { console.log('item', item); }} />
  </div>,
  _mount_
);

Props

参数	说明	类型	默认值
menu	菜单	<Menu>	-
disabled	菜单是否禁用	Boolean	-
trigger<OverlayTrigger>	悬停/点击弹出窗口	Enum{hover, click, focus}	hover
placement<OverlayTrigger>	指定弹出框位置，支持 12 个访问展示菜单。	Enum{}	bottomLeft

更多属性文档请参考 OverlayTrigger。