2020-09-17 16:14:42 +08:00
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---
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order: 13
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title:
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zh-CN: 上传列表拖拽排序
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en-US: Drag sorting of uploadList
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---
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## zh-CN
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使用 `itemRender` ,我们可以集成 react-dnd 来实现对上传列表拖拽排序。
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## en-US
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By using `itemRender`, we can integrate upload with react-dnd to implement drag sorting of uploadList.
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```jsx
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import React, { useState, useCallback, useRef } from 'react';
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import { Upload, Button, Tooltip } from 'antd';
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2021-02-23 10:45:11 +08:00
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import { DndProvider, useDrag, useDrop } from 'react-dnd';
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2020-09-17 16:14:42 +08:00
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import { HTML5Backend } from 'react-dnd-html5-backend';
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import update from 'immutability-helper';
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import { UploadOutlined } from '@ant-design/icons';
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const type = 'DragableUploadList';
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const DragableUploadListItem = ({ originNode, moveRow, file, fileList }) => {
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const ref = React.useRef();
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const index = fileList.indexOf(file);
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2021-04-23 10:25:58 +08:00
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const [{ isOver, dropClassName }, drop] = useDrop({
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accept: type,
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collect: monitor => {
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const { index: dragIndex } = monitor.getItem() || {};
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if (dragIndex === index) {
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return {};
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}
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return {
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isOver: monitor.isOver(),
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dropClassName: dragIndex < index ? ' drop-over-downward' : ' drop-over-upward',
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};
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},
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drop: item => {
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moveRow(item.index, index);
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},
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});
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const [, drag] = useDrag({
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type,
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item: { index },
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collect: monitor => ({
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isDragging: monitor.isDragging(),
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2020-09-17 16:14:42 +08:00
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}),
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2021-04-23 10:25:58 +08:00
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});
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2020-09-17 16:14:42 +08:00
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drop(drag(ref));
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2021-03-11 17:53:32 +08:00
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const errorNode = <Tooltip title="Upload Error">{originNode.props.children}</Tooltip>;
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2020-09-17 16:14:42 +08:00
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return (
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<div
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ref={ref}
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className={`ant-upload-draggable-list-item ${isOver ? dropClassName : ''}`}
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style={{ cursor: 'move' }}
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>
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{file.status === 'error' ? errorNode : originNode}
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</div>
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);
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};
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2021-08-26 13:47:14 +08:00
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const DragSortingUpload = () => {
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2020-09-17 16:14:42 +08:00
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const [fileList, setFileList] = useState([
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{
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uid: '-1',
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name: 'image1.png',
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status: 'done',
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url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
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},
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{
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uid: '-2',
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name: 'image2.png',
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status: 'done',
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url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
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},
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{
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uid: '-3',
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name: 'image3.png',
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status: 'done',
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url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
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},
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{
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uid: '-4',
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name: 'image4.png',
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status: 'done',
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url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
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},
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{
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uid: '-5',
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name: 'image.png',
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status: 'error',
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},
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]);
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const moveRow = useCallback(
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(dragIndex, hoverIndex) => {
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const dragRow = fileList[dragIndex];
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setFileList(
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update(fileList, {
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$splice: [
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[dragIndex, 1],
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[hoverIndex, 0, dragRow],
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],
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}),
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);
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},
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[fileList],
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);
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const onChange = ({ fileList: newFileList }) => {
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setFileList(newFileList);
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};
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return (
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2021-02-23 10:45:11 +08:00
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<DndProvider backend={HTML5Backend}>
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2020-09-17 16:14:42 +08:00
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<Upload
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action="https://www.mocky.io/v2/5cc8019d300000980a055e76"
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fileList={fileList}
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onChange={onChange}
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2020-12-09 17:12:32 +08:00
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itemRender={(originNode, file, currFileList) => (
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<DragableUploadListItem
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originNode={originNode}
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file={file}
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fileList={currFileList}
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moveRow={moveRow}
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/>
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)}
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2020-09-17 16:14:42 +08:00
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>
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2021-02-23 10:45:11 +08:00
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<Button icon={<UploadOutlined />}>Click to Upload</Button>
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2020-09-17 16:14:42 +08:00
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</Upload>
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</DndProvider>
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);
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};
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2022-04-03 23:27:45 +08:00
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export default () => <DragSortingUpload />;
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2020-09-17 16:14:42 +08:00
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```
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```css
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#components-upload-demo-drag-sorting .ant-upload-draggable-list-item {
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border-top: 2px dashed rgba(0, 0, 0, 0);
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border-bottom: 2px dashed rgba(0, 0, 0, 0);
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}
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#components-upload-demo-drag-sorting .ant-upload-draggable-list-item.drop-over-downward {
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border-bottom-color: #1890ff;
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}
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#components-upload-demo-drag-sorting .ant-upload-draggable-list-item.drop-over-upward {
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border-top-color: #1890ff;
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}
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```
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