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index.js
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index.js
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import React, { PureComponent } from 'react';
import { getHotCityListData } from '~fetch/home/home';
import './style.scss';
class CityList extends PureComponent {
constructor(props) {
super(props);
this.state = {
data: []
};
};
render() {
const cityList = this.state.data;
return (
<div className="city-list-container">
<h3>热门城市</h3>
<ul className="city-list">
{
cityList.map((item, i) => {
return (
<li key={i}>
<span onClick={() => { this.handleClick(item.cityName)}}>{item.cityName}</span>
</li>
);
})
}
</ul>
</div>
);
};
componentDidMount() {
const result = getHotCityListData();
result.then(res => {
return res.json();
}).then(json => {
const data = json;
// 存储热门城市信息
this.setState({
data: data
});
})
};
handleClick = newCity => {
this.props.changeFn(newCity);
};
};
export default CityList;