ant-design/components/transfer/demo/custom-item.md

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---
order: 3
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title:
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zh-CN: 自定义渲染行数据
en-US: Custom datasource
---
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## zh-CN
自定义渲染每一个 Transfer Item可用于渲染复杂数据。
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## en-US
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Custom each Transfer Item, and in this way you can render a complex datasource.
````jsx
import { Transfer } from 'antd';
const App = React.createClass({
getInitialState() {
return {
mockData: [],
targetKeys: [],
};
},
componentDidMount() {
this.getMock();
},
getMock() {
const targetKeys = [];
const mockData = [];
for (let i = 0; i < 20; i++) {
const data = {
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key: i.toString(),
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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 });
},
handleChange(targetKeys, direction, moveKeys) {
console.log(targetKeys, direction, moveKeys);
this.setState({ targetKeys });
},
renderItem(item) {
const customLabel = (
<span className="custom-item">
{item.title} - {item.description}
</span>
);
return {
label: customLabel, // for displayed item
value: item.title, // for title and filter matching
};
},
render() {
return (
<Transfer
dataSource={this.state.mockData}
listStyle={{
width: 300,
height: 300,
}}
targetKeys={this.state.targetKeys}
onChange={this.handleChange}
render={this.renderItem}
/>
);
},
});
ReactDOM.render(<App />, mountNode);
````