SOURCE

const { useState, useEffect } = React;
function SearchInput(props) {
    // 你的代码
}

class App extends React.Component {
    render() {
        return <div>
            <SearchInput selectList={[
                { label: '全部', value: '' },
                { label: '图片', value: 'image' },
                { label: '视频', value: 'video' },
                { label: '音乐', value: 'audio' },
                { label: '文档', value: 'file' },
            ]} change={(e) => {
                console.log(e)
            }}
            ></SearchInput>
        </div>
    }
}

ReactDOM.render(
    <App />,
    document.getElementById('app')
);

<div id="app"></div>