cjd-parkball/src/components/transfer/demo/search.md

> 中后台业务组件库，中后台就像公园，进入需要买门票（登录），所以以 Parkball(公园球) 命名，公园内必定捕获！作为一个组件库，提供使用方法文档，方便开发者的调用

---
category: 2
title: 带搜索框
title_en: Search
---

 zh-CN

带搜索框的穿梭框，可以自定义搜索函数。

 en-US

Transfer with a search box.

````jsx
import { Transfer } from 'parkball';

class App extends React.Component {
  state = {
    mockData: [],
    targetKeys: [],
  }

  componentDidMount() {
    this.getMock();
  }

  getMock = () => {
    const targetKeys = [];
    const mockData = [];
    for (let i = 0; i < 20; i++) {
      const data = {
        key: i.toString(),
        title: `content${i + 1}`,
        description: `description of content${i + 1}`,
        chosen: Math.random() * 2 > 1,
      };
      if (data.chosen) {
        targetKeys.push(data.key);
      }
      mockData.push(data);
    }
    this.setState({ mockData, targetKeys });
  }

  filterOption = (inputValue, option) => {
    return option.description.indexOf(inputValue) > -1;
  }

  handleChange = (targetKeys) => {
    this.setState({ targetKeys });
  }

  render() {
    return (
      <Transfer
        dataSource={this.state.mockData}
        showSearch
        filterOption={this.filterOption}
        targetKeys={this.state.targetKeys}
        onChange={this.handleChange}
        render={item => item.title}
      />
    );
  }
}

ReactDOM.render(<App />, mountNode);
````