semi-design/packages/semi-ui/upload/_story/upload.stories.js

/* argus-disable unPkgSensitiveInfo */
import React, { useState } from 'react';
import FileCard from '../fileCard';
import { Button, Upload, Toast, Icon } from '@douyinfe/semi-ui/index';
import { withField, Form } from '../../form/index';
import { IconPlus, IconFile, IconUpload, IconEyeOpened, IconDownload, IconDelete } from '@douyinfe/semi-icons';

export default {
  title: 'Upload'
}

let action = 'https://run.mocky.io/v3/d6ac5c9e-4d39-4309-a747-7ed3b5694859';
// let action = 'https://127.0.0.1:3000/upload/';
// action = 'https://jsonplaceholder.typicode.com/posts/';
let actionFail = 'https://run.mocky.io/v3/d6ac5c9e-4d39-4309-a747-7ed3b5694859';
let apiNotExist = 'https://run.mocky.io/v3/d6ac5c9e-4d39-4309-a747-7ed3b5694859';

let commonProps = {
  action: action,
  onSuccess: (...args) => {
    console.log('onSuccess');
    Toast.success('success');
    console.log(args);
  },
  onProcess: (...args) => {
    console.log('onProcess');
    console.log(args);
  },
  onError: (...args) => {
    Toast.error('onError');
    console.log('onError');
    console.log(args);
  },
  onExceed: (...args) => {
    Toast.warning('onExceed');
    console.log('onExceed');
    console.log(args);
  },
  onSizeError: (...args) => {
    Toast.warning('onSizeError');
    console.log('onSizeError');
    console.log(args);
  },
  onChange: (...args) => {
    console.log('onChange');
    console.log(args);
  },
  onPreviewClick: fileItem => {
    let url = fileItem.url;
    console.log(fileItem);
    window.open(url);
  }
};

export const BasicUsage = () => (
  <>
    <Upload {...commonProps}>
      <Button icon={<IconUpload />} theme="light">
        点击上传
      </Button>
    </Upload>
    <Upload style={{ marginTop: 20 }} {...commonProps} showReplace>
      <Button icon={<IconUpload />} theme="light">
        点击上传（可替换）
      </Button>
    </Upload>
    <Upload
      style={{ marginTop: 20 }}
      {...commonProps}
      action={actionFail}
      prompt={<div style={{ display: 'flex', alignItems: 'center' }}>一个404的接口</div>}
    >
      <Button icon={<IconUpload />} theme="light">
        upload接口 404
      </Button>
    </Upload>
    <Upload
      style={{ marginTop: 20 }}
      {...commonProps}
      action={'https://semi.dev.com/api/upload503'}
      prompt={<div style={{ display: 'flex', alignItems: 'center' }}>一个503的接口</div>}
    >
      <Button icon={<IconUpload />} theme="light">
        upload接口503
      </Button>
    </Upload>
    <Upload
      style={{ marginTop: 20 }}
      {...commonProps}
      action={apiNotExist}
      prompt={<div style={{ display: 'flex', alignItems: 'center' }}>一个跨域不能请求的接口</div>}
    >
      <Button icon={<IconUpload />} theme="light">
        upload接口跨域了
      </Button>
    </Upload>
  </>
);

BasicUsage.story = {
  name: 'basic usage',
};

let data = {
  role: 'ies',
  time: new Date().getTime(),
};

let headers = {
  'x-tt-semi-test': 'semi-upload',
};

const getPromptDemo = () => {
  const action = '//semi.design/api/upload';
  const getPrompt = (pos, isListType) => {
    let basicStyle = {
      display: 'flex',
      alignItems: 'center',
      color: 'grey',
      height: isListType ? '100%' : 32,
    };
    let marginStyle = {
      left: { marginRight: 10 },
      right: { marginLeft: 10 },
    };
    let style = { ...basicStyle, ...marginStyle[pos] };

    return <div style={style}>请上传资格认证材料</div>;
  };
  const button = (
    <Button icon={<IconUpload />} theme="light">
      点击上传
    </Button>
  );
  const positions = ['right', 'left', 'bottom'];
  return (
    <>
      {positions.map((pos, index) => (
        <>
          {index ? (
            <div
              style={{
                marginBottom: 12,
                marginTop: 12,
                borderBottom: '1px solid var(--semi-color-border)',
              }}
            ></div>
          ) : null}
          <Upload action={action} prompt={getPrompt(pos)} promptPosition={pos}>
            {button}
          </Upload>
        </>
      ))}
      <div
        style={{
          marginBottom: 24,
          marginTop: 24,
          borderBottom: '1px solid var(--semi-color-border)',
        }}
      ></div>
      {positions.map((pos, index) => (
        <>
          {index ? (
            <div
              style={{
                marginBottom: 12,
                marginTop: 12,
                borderBottom: '1px solid var(--semi-color-border)',
              }}
            ></div>
          ) : null}
          <Upload
            action={action}
            prompt={getPrompt(pos, true)}
            promptPosition={pos}
            listType="picture"
            defaultFileList={defaultFileList}
          >
            <React.Fragment>
              <IconPlus />
            </React.Fragment>
          </Upload>
        </>
      ))}
    </>
  );
};

export const Prompt = () => getPromptDemo();

Prompt.story = {
  name: 'prompt',
};

export const CustomDataAndHeaders = () => (
  <>
    <h4>直接返回object</h4>
    <Upload {...commonProps} data={data} headers={headers}>
      <Button icon={<IconUpload />} theme="light">
        点击上传
      </Button>
    </Upload>
    <h4>通过函数直接返回object</h4>
    <Upload {...commonProps} data={() => data} headers={() => headers}>
      <Button icon={<IconUpload />} theme="light">
        点击上传
      </Button>
    </Upload>
  </>
);

CustomDataAndHeaders.story = {
  name: 'custom data and headers',
};

let imageOnly = 'image/*';
let videoOnly = 'video/*';

export const Accept = () => (
  <>
    <Upload {...commonProps} action={action} accept={imageOnly}>
      <Button icon={<IconUpload />} theme="light">
        点击上传image
      </Button>
    </Upload>
    <br />
    <br />
    <Upload {...commonProps} action={action} accept={videoOnly}>
      <Button icon={<IconUpload />} theme="light">
        点击上传video
      </Button>
    </Upload>
  </>
);

Accept.story = {
  name: 'accept',
};

export const Multiple = () => (
  <>
    <Upload {...commonProps} action={action} multiple>
      <Button icon={<IconUpload />} theme="light">
        点击上传
      </Button>
    </Upload>
  </>
);

Multiple.story = {
  name: 'multiple',
};

const defaultFileList = [
  {
    uid: '1',
    name: 'jiafang1.jpeg',
    status: 'success',
    size: '130kb',
    url:
      'https://lf3-static.bytednsdoc.com/obj/eden-cn/ptlz_zlp/ljhwZthlaukjlkulzlp/root-web-sites/bag.jpeg',
  },
  {
    uid: '2',
    name: 'jiafang2.jpeg',
    status: 'uploadFail',
    size: '222kb',
    url:
      'https://lf3-static.bytednsdoc.com/obj/eden-cn/ptlz_zlp/ljhwZthlaukjlkulzlp/root-web-sites/bag.jpeg',
  },
  {
    uid: '3',
    name: 'jiafang3.jpeg',
    status: 'uploading',
    percent: 50,
    size: '222kb',
    url:
      'https://lf3-static.bytednsdoc.com/obj/eden-cn/ptlz_zlp/ljhwZthlaukjlkulzlp/root-web-sites/bag.jpeg',
  },
  {
    uid: '4',
    name: 'jiafang3.jpeg',
    status: 'validateFail',
    validateMessage: '文件过大',
    size: '222kb',
    url:
      'https://lf3-static.bytednsdoc.com/obj/eden-cn/ptlz_zlp/ljhwZthlaukjlkulzlp/root-web-sites/bag.jpeg',
  },
  {
    uid: '5',
    name: 'jiafang4.jpeg',
    status: 'validating',
    validateMessage: '校验中',
    size: '222kb',
    url:
      'https://lf3-static.bytednsdoc.com/obj/eden-cn/ptlz_zlp/ljhwZthlaukjlkulzlp/root-web-sites/bag.jpeg',
  },
];

export const DefaultFileList = () => (
  <>
    <Upload {...commonProps} action={action} defaultFileList={defaultFileList}>
      <Button icon={<IconUpload />} theme="light">
        点击上传
      </Button>
    </Upload>
  </>
);

DefaultFileList.story = {
  name: 'defaultFileList',
};

class ControlledUpload extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      fileList: defaultFileList,
    };
    this.onChange = this.onChange.bind(this);
  }

  onChange({ fileList, currentFile, event }) {
    console.log('onChange');
    console.log(fileList);
    console.log(currentFile);
    this.setState({ fileList: fileList });
  }

  render() {
    return (
      <Upload
        {...commonProps}
        action={action}
        onChange={this.onChange}
        fileList={this.state.fileList}
        showRetry={false}
      >
        <Button icon={<IconUpload />} theme="light">
          点击上传
        </Button>
      </Upload>
    );
  }
}

export const ControlledFileList = () => <ControlledUpload></ControlledUpload>;

ControlledFileList.story = {
  name: 'controlled fileList',
};

let kb1 = 1024 * 1024;
let kb2 = kb1 * 2;
let mb1 = kb1 * 1024;

export const MaxSizeAndMinSize = () => (
  <>
    <Upload
      {...commonProps}
      action={action}
      maxSize={mb1}
      minSize={kb2}
      onSizeError={(file, fileList) => Toast.error(`${file.name} size invalid`)}
    >
      <Button icon={<IconUpload />} theme="light">
        点击上传（最小200kB，最大1MB）
      </Button>
    </Upload>
  </>
);

MaxSizeAndMinSize.story = {
  name: 'maxSize and minSize',
};

export const PictureListType = () => (
  <>
    <Upload
      {...commonProps}
      showReplace
      action={action}
      listType="picture"
      accept="image/*"
      multiple
    >
      <React.Fragment>
        <IconPlus size="extra-large" />
      </React.Fragment>
    </Upload>
  </>
);

PictureListType.story = {
  name: 'picture listType',
};

export const PictureListTypeWithDefaultFileList = () => (
  <>
    <Upload
      {...commonProps}
      showReplace={false}
      action={action}
      listType="picture"
      accept="image/*"
      renderPicPreviewIcon={()=><IconEyeOpened style={{color: 'var(--semi-color-white)',fontSize: 24}} />}
      defaultFileList={defaultFileList}
    >
      <React.Fragment>
        <IconPlus size="extra-large" />
      </React.Fragment>
    </Upload>
  </>
);

PictureListTypeWithDefaultFileList.story = {
  name: 'picture listType with default file list',
};

class ManulUploadDemo extends React.Component {
  constructor() {
    super();
    this.state = {
      fileList: [],
    };
    this.onFileChange = this.onFileChange.bind(this);
    this.onRemove = this.onRemove.bind(this);
    this.manulUpload = this.manulUpload.bind(this);
    this.uploadRef = React.createRef();
  }

  onFileChange(file) {
    let newFileList = [...this.state.fileList, ...file];
    this.setState({ fileList: newFileList });
  }

  onRemove(file) {
    let { fileList } = this.state;
    fileList.filter(item => item.uid !== file.uid);
    this.setState({ fileList });
  }

  manulUpload() {
    this.uploadRef.current.upload(this.state.fileList);
  }

  render() {
    const { fileList } = this.state;
    return (
      <div>
        <Upload
          {...commonProps}
          accept="image/gif, image/png, image/jpeg, image/bmp, image/webp"
          action={action}
          uploadTrigger="custom"
          ref={this.uploadRef}
          onSuccess={(...v) => console.log(...v)}
          onError={(...v) => console.log(...v)}
        >
          <Button icon={<IconPlus />} theme="light">
            选择文件
          </Button>
        </Upload>
        <Button icon={<IconUpload />} theme="light" onClick={this.manulUpload}>
          开始上传
        </Button>
      </div>
    );
  }
}

export const ManulUpload = () => <ManulUploadDemo />;

ManulUpload.story = {
  name: 'manul upload',
};

export const Disabled = () => (
  <>
    <Upload {...commonProps} action={action} disabled defaultFileList={defaultFileList}>
      <Button icon={<IconUpload />} theme="light" disabled>
        点击上传
      </Button>
    </Upload>
  </>
);

Disabled.story = {
  name: 'disabled',
};

export const PreviewFile = () => (
  <>
    <Upload {...commonProps} action={action} previewFile={file => <IconFile size="large" />}>
      <Button icon={<IconUpload />} theme="light">
        点击上传
      </Button>
    </Upload>
  </>
);

PreviewFile.story = {
  name: 'previewFile',
};

const CustomRenderFileDemo = () => {
  const render = file => {
    return <div style={{ padding: 8, width: 80, height: 32 }}>{file.name}</div>;
  };
  return (
    <>
      <h5>renderFileItem demo：</h5>
      <Upload {...commonProps} action={action} renderFileItem={render}>
        <Button icon={<IconUpload />} theme="light">
          点击上传
        </Button>
      </Upload>
      <h5>itemWidth demo：</h5>
      <Upload
        {...commonProps}
        action={action}
        itemStyle={{ width: 150 }}
        style={{ width: 500 }}
        multiple
      >
        <Button icon={<IconUpload />} theme="light">
          点击上传
        </Button>
      </Upload>
    </>
  );
};

export const RenderFileItem = () => <CustomRenderFileDemo />;

RenderFileItem.story = {
  name: 'renderFileItem',
};

export const CustomLimit = () => (
  <>
    <Upload
      {...commonProps}
      action={action}
      limit={1}
      uploadTrigger="custom"
      onExceed={() => Toast.error('超出限定数量')}
    >
      <Button icon={<IconUpload />} theme="light">
        点击上传, uploadtrigger = custom
      </Button>
    </Upload>
    <Upload {...commonProps} action={action} limit={1} onExceed={() => Toast.error('超出限定数量')}>
      <Button icon={<IconUpload />} theme="light">
        点击上传1
      </Button>
    </Upload>
    <Upload {...commonProps} action={action} limit={2} onExceed={() => Toast.error('超出限定数量')}>
      <Button icon={<IconUpload />} theme="light">
        点击上传2
      </Button>
    </Upload>
  </>
);

CustomLimit.story = {
  name: 'custom limit',
};

export const Draggable = () => (
  <>
    <Upload
      {...commonProps}
      draggable={true}
      // disabled
      accept="application/image/*,.md"
      dragMainText={'点击上传文件或拖拽文件到这里'}
      dragSubText="支持的文件类型：.jpg、.pdf"
    ></Upload>

    <Upload
      {...commonProps}
      style={{ marginTop: 10, height: 300 }}
      // directory 
      draggable={true}
      dragMainText={'点击上传文件或拖拽文件到这里'}
    ></Upload>

    <Upload style={{ marginTop: 10, height: 300 }} action={action} draggable={true}>
      <div>
        <IconUpload size="extra-large" />
        自定义拖拽取内容及结构
      </div>
    </Upload>
  </>
);

Draggable.story = {
  name: 'draggable',
};

export const _FileCard = () => (
  <>
    <FileCard
      name="semi"
      suffix="jpg"
      percent={50}
      showRetry
      onRetry={v => console.log(v)}
    ></FileCard>
    <FileCard
      name="invalid"
      suffix="jpg"
      size={12321}
      validateStatus="error"
      showRetry
      onRetry={v => console.log(v)}
    ></FileCard>
    <FileCard name="semi.jpg" percent={50} size={10022}></FileCard>
  </>
);

_FileCard.story = {
  name: 'FileCard',
};

class ValidateDemo extends React.Component {
  constructor(props) {
    super(props);
    this.state = {};
    this.beforeUpload = this.beforeUpload.bind(this);
    this.afterUpload = this.afterUpload.bind(this);
    this.transformFile = this.transformFile.bind(this);
    this.count = 0;
  }
  transformFile(fileInstance) {
    if (this.count === 0) {
      let newFile = new File([fileInstance], 'newFileName', { type: 'image/png' });
      return newFile;
    } else {
      return fileInstance;
    }
  }

  afterUpload({ response, file }) {
    // 可以根据业务接口返回，决定当次上传是否成功
    if (response.status_code == 200) {
      return {
        autoRemove: false,
        status: 'uploadFail',
        validateMessage: '内容不合法',
        name: 'RenameByServer.jpg',
      };
    } else {
      return {};
    }
  }
  beforeUpload({ file, fileList }) {
    let result;
    if (this.count > 1) {
      result = {
        autoRemove: false,
        fileInstance: file.fileInstance,
        shouldUpload: true,
      };
    } else {
      result = {
        autoRemove: false,
        fileInstance: file.fileInstance,
        status: 'validateFail',
        shouldUpload: false,
      };
    }
    this.count = this.count + 1;
    return result;
  }

  render() {
    return (
      <Upload
        {...commonProps}
        action={action}
        transformFile={this.transformFile}
        // beforeUpload={this.beforeUpload}
        afterUpload={this.afterUpload}
      >
        <Button icon={<IconUpload />} theme="light">
          点击上传
        </Button>
      </Upload>
    );
  }
}

export const TransformFileBeforeUploadAfterUpload = () => <ValidateDemo />;

TransformFileBeforeUploadAfterUpload.story = {
  name: 'transformFile beforeUpload afterUpload',
};

class AsyncBeforeUploadDemo extends React.Component {
  constructor(props) {
    super(props);
    this.state = {};
    this.beforeUpload = this.beforeUpload.bind(this);
    this.count = 0;
  }

  beforeUpload({ file, fileList }) {
    let result;
    return new Promise((reslove, reject) => {
      if (this.count > 1) {
        result = {
          autoRemove: false,
          shouldUpload: true,
        };
        this.count = this.count + 1;
        reslove(result);
      } else {
        result = {
          autoRemove: false,
          fileInstance: file.fileInstance,
          status: 'validateFail',
          shouldUpload: false,
          validateMessage: `第${this.count + 1}个注定失败`,
        };
        this.count = this.count + 1;
        reject(result);
      }
    });
  }

  render() {
    return (
      <Upload {...commonProps} action={action} beforeUpload={this.beforeUpload}>
        <Button icon={<IconUpload />} theme="light">
          点击上传
        </Button>
      </Upload>
    );
  }
}

export const AsyncBeforeUpload = () => <AsyncBeforeUploadDemo />;

AsyncBeforeUpload.story = {
  name: 'async beforeUpload',
};

class ValidateMessage extends React.Component {
  constructor(props) {
    super(props);
    this.state = {};
    // this.transformFile = this.transformFile.bind(this);
  }

  render() {
    return (
      <Upload {...commonProps} action={action}>
        <Button icon={<IconUpload />} theme="light">
          点击上传
        </Button>
      </Upload>
    );
  }
}
export const UploadValidateMessageValidateStatus = () => <ValidateMessage />;

UploadValidateMessageValidateStatus.story = {
  name: 'Upload validateMessage validateStatus',
};

class FormUploadDemo extends React.Component {
  constructor(props) {
    super(props);
    this.state = {};
    // this.transformFile = this.transformFile.bind(this);
  }

  render() {
    return (
      <Form labelPosition="left">
        {({ formState }) => (
          <>
            <Form.Upload
              {...commonProps}
              action={action}
              field="files"
              label="认证图片上传"
              extraText="请上传符合规格的图片"
              name="testName"
              uploadTrigger="custom"
              onChange={({ fileList, currentFile }) => {
                console.log(fileList);
              }}
            >
              <Button icon={<IconUpload />} theme="light">
                点击上传
              </Button>
            </Form.Upload>
            <code>{JSON.stringify(formState)}</code>
          </>
        )}
      </Form>
    );
  }
}

export const FormUpload = () => <FormUploadDemo />;

FormUpload.story = {
  name: 'Form.Upload',
};

class CustomRequestDemo extends React.Component {
  constructor(props) {
    super(props);
    this.state = {};
    // this.transformFile = this.transformFile.bind(this);
    // this.tosClient =
  }

  render() {
    return (
      <Form labelPosition="left">
        {({ formState }) => (
          <>
            <Form.Upload
              {...commonProps}
              action={action}
              customRequest={({ onProgress, onSuccess, onError }) => {
                let count = 0;
                onError();
                // let interval = setInterval(() => {
                //     if (count === 100) {
                //         clearInterval(interval);
                //         onSuccess();
                //     }
                //     onProgress({ total: 100, loaded: count });
                //     count += 50;
                // }, 1000);
              }}
              field="files"
              label="认证图片上传"
              extraText="请上传符合规格的图片"
              name="testName"
            >
              <Button icon={<IconUpload />} theme="light">
                点击上传
              </Button>
            </Form.Upload>
          </>
        )}
      </Form>
    );
  }
}

export const FormCustomRequest = () => <CustomRequestDemo />;

FormCustomRequest.story = {
  name: 'Form.CustomRequest',
};

class AutoReplace extends React.Component {
  constructor(props) {
    super(props);
    this.state = {};
  }

  render() {
    return (
      <Upload {...commonProps} action={action} limit={1} name="testName">
        <Button icon={<IconUpload />} theme="light">
          点击上传
        </Button>
      </Upload>
    );
  }
}

export const AutoReplaceLimit1 = () => <AutoReplace />;

AutoReplaceLimit1.story = {
  name: 'AutoReplace limit=1',
};

function DirectoryUpload() {
  return (
    <>
      <Upload {...commonProps} directory>
        <Button icon={<IconUpload />} theme="light">
          点击上传文件夹
        </Button>
      </Upload>
      <Upload {...commonProps} directory accept="image/png">
        <Button icon={<IconUpload />} theme="light">
          点击上传文件夹并指定图片格式
        </Button>
      </Upload>
      <Upload
        {...commonProps}
        style={{ marginTop: 10, height: 300 }}
        accept="image/png"
        draggable={true}
        dragMainText={'拖拽文件夹上传'}
        onDrop={console.log}
        directory
      ></Upload>
    </>
  );
}

export const _DirectoryUpload = () => <DirectoryUpload />;

_DirectoryUpload.story = {
  name: 'directory upload',
};

function ForbiddenRemove() {
  const [fileList, $fileList] = useState(defaultFileList);
  return (
    <>
      <Upload
        fileList={fileList}
        onChange={f => {
          $fileList(f.fileList);
        }}
        beforeRemove={(file, currentList) => currentList.length > 2}
        beforeClear={list => list.length > 2}
      >
        <Button icon={<IconUpload />} theme="light">
          点击上传
        </Button>
      </Upload>
    </>
  );
}

export const _ForbiddenRemove = () => <ForbiddenRemove />;

_ForbiddenRemove.story = {
  name: 'forbidden remove',
};

export const CustomListOperation = () => {
  const renderFileOperation = (fileItem)=>{
    return <div style={{display: 'flex',columnGap: 8, padding: '0 8px'}}>
      <Button icon={<IconEyeOpened></IconEyeOpened>} type="tertiary" theme="borderless" size="small"></Button>
      <Button icon={<IconDownload></IconDownload>} type="tertiary" theme="borderless" size="small"></Button>
      <Button onClick={e=>fileItem.onRemove()} icon={<IconDelete></IconDelete>} type="tertiary" theme="borderless" size="small"></Button>
    </div>
  }
  return <Upload defaultFileList={defaultFileList} itemStyle={{width: 300}} renderFileOperation={renderFileOperation}><Button icon={<IconUpload />} theme="light">点击上传</Button></Upload>
}

CustomListOperation.story = {
  name: 'custom list operation',
}


export const TestReplaceFunc = () => (
  <>
    <Upload
      {...commonProps}
      action={action}
      accept=".md,image/*,video/*"
      maxSize={mb1}
      minSize={0}
      transformFile={(fileInstance)=>{return fileInstance;}}
    >
      <Button icon={<IconUpload />} theme="light">
        点击上传（最小0kB，最大1MB）
      </Button>
    </Upload>
    <Upload
      {...commonProps}
      action={action}
      accept="image/*"
      maxSize={mb1}
      minSize={0}
      transformFile={(fileInstance)=>{return fileInstance;}}
    >
      <Button icon={<IconUpload />} theme="light">
        只接受image点击上传（最小0kB，最大1MB）
      </Button>
    </Upload>
    <Upload
      {...commonProps}
      action={action}
      accept=".md,image/*,video/*"
      maxSize={mb1}
      minSize={kb2}
      transformFile={(fileInstance)=>{return fileInstance;}}
    >
      <Button icon={<IconUpload />} theme="light">
        点击上传（最小200kB，最大1MB）
      </Button>
    </Upload>
  </>
);

TestReplaceFunc.story = {
  name: 'test replace func',
};


class InsertUpload extends React.Component {
   constructor() {
        super();
        this.onFileChange = this.onFileChange.bind(this);
        this.insert1 = this.insert1.bind(this);
        this.insert2 = this.insert2.bind(this);
        this.insert3 = this.insert3.bind(this);
        this.uploadRef1 = React.createRef();
        this.uploadRef2 = React.createRef();
        this.uploadRef3 = React.createRef();
        this.file = null;
    }

    onFileChange(file) {
      delete file[0].uid;
      this.file = file;
    }

    insert1() {
      // test file number limit
      this.uploadRef1.current.insert(this.file, 0);
    }

    insert2() {
      this.uploadRef2.current.insert(this.file, 0);
    }

    insert3() {
      // test size limit
      this.uploadRef3.current.insert(this.file, 0);
    }

    render() {
        let action = 'https://run.mocky.io/v3/d6ac5c9e-4d39-4309-a747-7ed3b5694859';
        return (
            <div>
                <Upload
                    action={action}
                    ref={this.uploadRef1}
                    accept=".md,image/*,video/*"
                    onSuccess={(...v) => console.log(...v)}
                    onError={(...v) => console.log(...v)}
                    onFileChange={this.onFileChange}
                    maxSize={mb1}
                    minSize={0}
                    limit={1}
                    transformFile={(fileInstance)=>{return fileInstance;}}
                >
                    <Button icon={<IconPlus />} theme="light" style={{ marginRight: 8 }}>
                        选择文件 limit 1
                    </Button>
                </Upload>
                <Upload
                    action={action}
                    ref={this.uploadRef2}
                    accept=".md,image/*,video/*"
                    onSuccess={(...v) => console.log(...v)}
                    onError={(...v) => console.log(...v)}
                    onFileChange={this.onFileChange}
                    maxSize={mb1}
                    minSize={0}
                    limit={2}
                    transformFile={(fileInstance)=>{return fileInstance;}}
                >
                    <Button icon={<IconPlus />} theme="light" style={{ marginRight: 8 }}>
                        选择文件 limit 2
                    </Button>
                </Upload>
                <Upload
                    {...commonProps}
                    action={action}
                    ref={this.uploadRef3}
                    accept=".md,image/*,video/*"
                    onSuccess={(...v) => console.log(...v)}
                    onError={(...v) => console.log(...v)}
                    onFileChange={this.onFileChange}
                    maxSize={mb1}
                    minSize={kb2}
                    limit={1}
                    transformFile={(fileInstance)=>{return fileInstance;}}
                >
                    <Button icon={<IconPlus />} theme="light" style={{ marginRight: 8 }}>
                        选择文件 size 限制
                    </Button>
                </Upload>
                <Button icon={<IconUpload />} theme="light" onClick={this.insert1}>
                  插入首项上传1
                </Button>
                <Button icon={<IconUpload />} theme="light" onClick={this.insert2}>
                  插入首项上传2
                </Button>
                <Button icon={<IconUpload />} theme="light" onClick={this.insert3}>
                  插入首项上传3
                </Button>
            </div>
        );
    }
}

export const Insert = () => <InsertUpload></InsertUpload>;

Insert.story = {
  name: 'insert',
};