import React from 'react'; import ReactDOM from 'react-dom'; import Transfer from '..'; const dataSource = (() => { const dataSource = []; for (let i = 0; i < 10; i++) { dataSource.push({ label: `content${i}`, value: `${i}`, }); } return dataSource; })(); const obj = { items: '项', item: '项', moveAll: '移动全部', searchPlaceholder: '请输入', moveToLeft: '撤销选中元素', moveToRight: '提交选中元素', }; class Demo extends React.Component { constructor(props) { super(props); this.handleChange = this.handleChange.bind(this); } handleChange(value, data, extra) { console.log(value, data, extra); } render() { return (