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71 lines
1.3 KiB
Markdown
71 lines
1.3 KiB
Markdown
---
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order: 7
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title:
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zh-CN: 自定义已选项
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en-US: Custom render
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---
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## zh-CN
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例如给最后一项加上邮编链接。
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## en-US
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For instance, add an external link after the selected value.
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````__react
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import { Cascader } from 'antd';
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const options = [{
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value: 'zhejiang',
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label: 'Zhejiang',
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children: [{
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value: 'hangzhou',
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label: 'Hangzhou',
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children: [{
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value: 'xihu',
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label: 'West Lake',
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code: 752100,
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}],
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}],
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}, {
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value: 'jiangsu',
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label: 'Jiangsu',
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children: [{
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value: 'nanjing',
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label: 'Nanjing',
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children: [{
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value: 'zhonghuamen',
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label: 'Zhong Hua Men',
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code: 453400,
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}],
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}],
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}];
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function handleAreaClick(e, label, option) {
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e.stopPropagation();
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console.log('clicked', label, option);
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}
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const displayRender = (labels, selectedOptions) => labels.map((label, i) => {
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const option = selectedOptions[i];
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if (i === labels.length - 1) {
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return (
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<span key={option.value}>
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{label} (<a onClick={e => handleAreaClick(e, label, option)}>{option.code}</a>)
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</span>
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);
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}
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return <span key={option.value}>{label} / </span>;
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});
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ReactDOM.render(
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<Cascader
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options={options}
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defaultValue={['zhejiang', 'hangzhou', 'xihu']}
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displayRender={displayRender}
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style={{ width: 270 }}
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/>
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, mountNode);
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````
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