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29a47b0c7d
close #18222
99 lines
1.9 KiB
Markdown
99 lines
1.9 KiB
Markdown
---
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order: 9
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title:
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zh-CN: 搜索框
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en-US: Search Box
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---
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## zh-CN
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搜索和远程数据结合。
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## en-US
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Search with remote data.
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```jsx
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import { Select } from 'antd';
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import jsonp from 'fetch-jsonp';
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import querystring from 'querystring';
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const { Option } = Select;
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let timeout;
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let currentValue;
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function fetch(value, callback) {
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if (timeout) {
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clearTimeout(timeout);
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timeout = null;
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}
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currentValue = value;
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function fake() {
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const str = querystring.encode({
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code: 'utf-8',
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q: value,
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});
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jsonp(`https://suggest.taobao.com/sug?${str}`)
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.then(response => response.json())
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.then(d => {
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if (currentValue === value) {
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const { result } = d;
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const data = [];
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result.forEach(r => {
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data.push({
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value: r[0],
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text: r[0],
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});
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});
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callback(data);
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}
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});
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}
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timeout = setTimeout(fake, 300);
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}
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class SearchInput extends React.Component {
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state = {
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data: [],
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value: undefined,
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};
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handleSearch = value => {
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if (value) {
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fetch(value, data => this.setState({ data }));
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} else {
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this.setState({ data: [] });
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}
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};
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handleChange = value => {
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this.setState({ value });
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};
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render() {
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const options = this.state.data.map(d => <Option key={d.value}>{d.text}</Option>);
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return (
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<Select
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showSearch
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value={this.state.value}
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placeholder={this.props.placeholder}
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style={this.props.style}
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defaultActiveFirstOption={false}
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showArrow={false}
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filterOption={false}
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onSearch={this.handleSearch}
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onChange={this.handleChange}
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notFoundContent={null}
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>
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{options}
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</Select>
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);
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}
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}
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ReactDOM.render(<SearchInput placeholder="input search text" style={{ width: 200 }} />, mountNode);
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```
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