ant-design/components/tooltip/demo/placement.md

order	title
1	位置

位置有 12 个方向。

import { Tooltip } from 'antd';
const text = <span>提示文字</span>;

ReactDOM.render(
  <div>
    <div style={{ marginLeft: 60 }}>
      <Tooltip placement="topLeft" title={text}>
        <a href="#">上左</a>
      </Tooltip>
      <Tooltip placement="top" title={text}>
        <a href="#">上边</a>
      </Tooltip>
      <Tooltip placement="topRight" title={text}>
        <a href="#">上右</a>
      </Tooltip>
    </div>
    <div style={{ width: 60, float: 'left' }}>
      <Tooltip placement="leftTop" title={text}>
        <a href="#">左上</a>
      </Tooltip>
      <Tooltip placement="left" title={text}>
        <a href="#">左边</a>
      </Tooltip>
      <Tooltip placement="leftBottom" title={text}>
        <a href="#">左下</a>
      </Tooltip>
    </div>
    <div style={{ width: 60, marginLeft: 270 }}>
      <Tooltip placement="rightTop" title={text}>
        <a href="#">右上</a>
      </Tooltip>
      <Tooltip placement="right" title={text}>
        <a href="#">右边</a>
      </Tooltip>
      <Tooltip placement="rightBottom" title={text}>
        <a href="#">右下</a>
      </Tooltip>
    </div>
    <div style={{ marginLeft: 60, clear: 'both' }}>
      <Tooltip placement="bottomLeft" title={text}>
        <a href="#">上右</a>
      </Tooltip>
      <Tooltip placement="bottom" title={text}>
        <a href="#">下边</a>
      </Tooltip>
      <Tooltip placement="bottomRight" title={text}>
        <a href="#">下右</a>
      </Tooltip>
    </div>
  </div>
, mountNode);