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100 lines
2.1 KiB
Markdown
100 lines
2.1 KiB
Markdown
---
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order: 7
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title:
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zh-CN: 手动上传
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en-US: Upload manually
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---
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## zh-CN
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`beforeUpload` 返回 `false` 后,手动上传文件。
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## en-US
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Upload files manually after `beforeUpload` returns `false`.
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```jsx
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import { Upload, Button, message } from 'antd';
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import { UploadOutlined } from '@ant-design/icons';
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class Demo extends React.Component {
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state = {
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fileList: [],
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uploading: false,
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};
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handleUpload = () => {
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const { fileList } = this.state;
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const formData = new FormData();
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fileList.forEach(file => {
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formData.append('files[]', file);
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});
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this.setState({
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uploading: true,
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});
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// You can use any AJAX library you like
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fetch('https://www.mocky.io/v2/5cc8019d300000980a055e76', {
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method: 'POST',
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body: formData,
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})
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.then(res => res.json())
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.then(() => {
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this.setState({
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fileList: [],
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});
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message.success('upload successfully.');
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})
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.catch(() => {
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message.error('upload failed.');
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})
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.finally(() => {
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this.setState({
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uploading: false,
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});
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});
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};
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render() {
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const { uploading, fileList } = this.state;
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const props = {
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onRemove: file => {
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this.setState(state => {
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const index = state.fileList.indexOf(file);
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const newFileList = state.fileList.slice();
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newFileList.splice(index, 1);
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return {
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fileList: newFileList,
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};
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});
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},
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beforeUpload: file => {
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this.setState(state => ({
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fileList: [...state.fileList, file],
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}));
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return false;
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},
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fileList,
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};
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return (
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<>
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<Upload {...props}>
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<Button icon={<UploadOutlined />}>Select File</Button>
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</Upload>
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<Button
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type="primary"
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onClick={this.handleUpload}
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disabled={fileList.length === 0}
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loading={uploading}
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style={{ marginTop: 16 }}
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>
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{uploading ? 'Uploading' : 'Start Upload'}
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</Button>
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</>
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);
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}
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}
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ReactDOM.render(<Demo />, mountNode);
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```
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