--- order: 0 title: zh-CN: 基本 en-US: Basic --- ## zh-CN 最简单的用法。 ## en-US The most basic usage. ```jsx import { TreeSelect } from 'antd'; const TreeNode = TreeSelect.TreeNode; class Demo extends React.Component { state = { value: undefined, }; onChange = value => { console.log(value); this.setState({ value }); }; render() { return ( sss} key="random3" /> ); } } ReactDOM.render(, mountNode); ```