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85 lines
2.4 KiB
TypeScript
85 lines
2.4 KiB
TypeScript
import React, { useState } from 'react';
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import { PlusOutlined } from '@ant-design/icons';
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import { Image, Upload } from 'antd';
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import type { GetProp, UploadFile, UploadProps } from 'antd';
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type FileType = Parameters<GetProp<UploadProps, 'beforeUpload'>>[0];
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const getBase64 = (file: FileType): Promise<string> =>
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new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.readAsDataURL(file);
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reader.onload = () => resolve(reader.result as string);
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reader.onerror = (error) => reject(error);
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});
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const App: React.FC = () => {
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const [previewOpen, setPreviewOpen] = useState(false);
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const [previewImage, setPreviewImage] = useState('');
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const [fileList, setFileList] = useState<UploadFile[]>([
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{
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uid: '-1',
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name: 'image.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: '-xxx',
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percent: 50,
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name: 'image.png',
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status: 'uploading',
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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 handlePreview = async (file: UploadFile) => {
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if (!file.url && !file.preview) {
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file.preview = await getBase64(file.originFileObj as FileType);
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}
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setPreviewImage(file.url || (file.preview as string));
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setPreviewOpen(true);
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};
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const handleChange: UploadProps['onChange'] = ({ fileList: newFileList }) =>
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setFileList(newFileList);
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const uploadButton = (
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<button style={{ border: 0, background: 'none' }} type="button">
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<PlusOutlined />
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<div style={{ marginTop: 8 }}>Upload</div>
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</button>
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);
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return (
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<>
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<Upload
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action="https://660d2bd96ddfa2943b33731c.mockapi.io/api/upload"
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listType="picture-circle"
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fileList={fileList}
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onPreview={handlePreview}
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onChange={handleChange}
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>
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{fileList.length >= 8 ? null : uploadButton}
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</Upload>
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{previewImage && (
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<Image
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wrapperStyle={{ display: 'none' }}
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preview={{
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visible: previewOpen,
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onVisibleChange: (visible) => setPreviewOpen(visible),
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afterOpenChange: (visible) => !visible && setPreviewImage(''),
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}}
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src={previewImage}
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/>
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)}
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</>
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);
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};
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export default App;
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