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- import React, { useRef } from 'react';
- import { Table, Avatar, Button } from '@douyinfe/semi-ui';
- const DAY = 24 * 60 * 60 * 1000;
- const columns = [
- {
- title: '标题',
- dataIndex: 'name',
- width: 200,
- fixed: true,
- render: (text, record, index) => {
- return (
- <div>
- {text}
- </div>
- );
- },
- filters: [
- {
- text: 'Semi Design 设计稿',
- value: 'Semi Design 设计稿',
- },
- {
- text: 'Semi Pro 设计稿',
- value: 'Semi Pro 设计稿',
- },
- ],
- onFilter: (value, record) => record.name.includes(value),
- },
- {
- title: '大小',
- dataIndex: 'size',
- width: 150,
- sorter: (a, b) => a.size - b.size > 0 ? 1 : -1,
- render: (text) => `${text} KB`
- },
- {
- title: '所有者',
- dataIndex: 'owner',
- render: (text, record, index) => {
- return (
- <div>
- <Avatar size="small" color={record.avatarBg} style={{ marginRight: 4 }}>{typeof text === 'string' && text.slice(0, 1)}</Avatar>
- {text}
- </div>
- );
- }
- },
- {
- title: '更新日期',
- dataIndex: 'updateTime',
- fixed: 'right',
- width: 150,
- sorter: (a, b) => a.updateTime - b.updateTime > 0 ? 1 : -1,
- render: (value) => {
- return dateFns.format(new Date(value), 'yyyy-MM-dd');
- }
- }
- ];
- function InfiniteScrollDemo() {
- const [data, setData] = useState([]);
- const scroll = { y: 600, x: 1000 };
- const style = { width: 750, margin: '0 auto' };
- const loadMore = () => {
- const pageSize = 20; // load 20 records every time
- const newData = [...data];
- const currentLength = data.length;
- for (let i = currentLength; i < currentLength + pageSize; i++) {
- const isSemiDesign = i % 2 === 0;
- const randomNumber = (i * 1000) % 199;
- newData.push({
- key: '' + i,
- name: isSemiDesign ? `Semi Design 设计稿${i}.fig` : `Semi Pro 设计稿${i}.fig`,
- owner: isSemiDesign ? '姜鹏志' : '郝宣',
- size: randomNumber,
- updateTime: new Date().valueOf() + randomNumber * DAY,
- avatarBg: isSemiDesign ? 'grey' : 'red'
- });
- }
- setData(newData);
- };
- const itemSize = 56;
- const virtualized = {
- itemSize,
- onScroll: ({ scrollDirection, scrollOffset, scrollUpdateWasRequested }) => {
- if (
- scrollDirection === 'forward' &&
- scrollOffset >= (data.length - Math.ceil(scroll.y / itemSize) * 1.5) * itemSize &&
- !scrollUpdateWasRequested
- ) {
- loadMore();
- }
- },
- };
- useEffect(() => {
- loadMore();
- }, []);
- return (
- <Table
- pagination={false}
- columns={columns}
- dataSource={data}
- scroll={scroll}
- style={style}
- virtualized={virtualized}
- />
- );
- }
- render(InfiniteScrollDemo);
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