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2.9 KiB
2.9 KiB
order | title | ||||
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2 |
|
zh-CN
可通过 loadMore
属性实现加载更多功能。
en-US
Load more list with loadMore
property.
import { Avatar, Button, List, Skeleton } from 'antd';
import React, { useEffect, useState } from 'react';
interface DataType {
gender?: string;
name: {
title?: string;
first?: string;
last?: string;
};
email?: string;
picture: {
large?: string;
medium?: string;
thumbnail?: string;
};
nat?: string;
loading: boolean;
}
const count = 3;
const fakeDataUrl = `https://randomuser.me/api/?results=${count}&inc=name,gender,email,nat,picture&noinfo`;
const App: React.FC = () => {
const [initLoading, setInitLoading] = useState(true);
const [loading, setLoading] = useState(false);
const [data, setData] = useState<DataType[]>([]);
const [list, setList] = useState<DataType[]>([]);
useEffect(() => {
fetch(fakeDataUrl)
.then(res => res.json())
.then(res => {
setInitLoading(false);
setData(res.results);
setList(res.results);
});
}, []);
const onLoadMore = () => {
setLoading(true);
setList(
data.concat([...new Array(count)].map(() => ({ loading: true, name: {}, picture: {} }))),
);
fetch(fakeDataUrl)
.then(res => res.json())
.then(res => {
const newData = data.concat(res.results);
setData(newData);
setList(newData);
setLoading(false);
// Resetting window's offsetTop so as to display react-virtualized demo underfloor.
// In real scene, you can using public method of react-virtualized:
// https://stackoverflow.com/questions/46700726/how-to-use-public-method-updateposition-of-react-virtualized
window.dispatchEvent(new Event('resize'));
});
};
const loadMore =
!initLoading && !loading ? (
<div
style={{
textAlign: 'center',
marginTop: 12,
height: 32,
lineHeight: '32px',
}}
>
<Button onClick={onLoadMore}>loading more</Button>
</div>
) : null;
return (
<List
className="demo-loadmore-list"
loading={initLoading}
itemLayout="horizontal"
loadMore={loadMore}
dataSource={list}
renderItem={item => (
<List.Item
actions={[<a key="list-loadmore-edit">edit</a>, <a key="list-loadmore-more">more</a>]}
>
<Skeleton avatar title={false} loading={item.loading} active>
<List.Item.Meta
avatar={<Avatar src={item.picture.large} />}
title={<a href="https://ant.design">{item.name?.last}</a>}
description="Ant Design, a design language for background applications, is refined by Ant UED Team"
/>
<div>content</div>
</Skeleton>
</List.Item>
)}
/>
);
};
export default App;
.demo-loadmore-list {
min-height: 350px;
}