upload上传 file对象（.json文件）转为json对象

/**
   * 将file对象（.json文件）转为json对象
   * @param {File} file file对象
   */
  function fileToJson(file: File) {
    return new Promise((resolve, reject) => {
      const reader = new FileReader();
      reader.onload = (e: any) => {
        try {
          const data = JSON.parse(e?.target?.result); // 解析成json对象
          resolve(data);
        } catch (err: any) {
          reject(err);
        }
      }; // 成功回调
      reader.onerror = (err) => {
        reject(err);
      }; // 失败回调
      reader.readAsText(new Blob([file]), 'utf-8'); // 按照utf-8编码解析
    });
  }

  const uploadProps = {
    accept: '.json',
    name: 'file',
    beforeUpload: (file: File) => {
      setUploadLoading(true);
      fileToJson(file)
        .then((itemInfo: any) => {
          // TODO: 校验文件的合法性
          // console.log('uploadVersionInfo', itemInfo);
          const { queryResponse = {}, contentResponse = {}, knowledgeResponse = {} } = itemInfo;
          setQueryDetail(queryResponse);
          setGuideDetail(contentResponse);
          setWikipediaDetail(knowledgeResponse);
        })
        .catch((err) => {
          message.error('解析失败：' + err?.message);
        });
      setUploadLoading(false);
      return Upload.LIST_IGNORE;
    },
  };

......

return {
    <Upload {...uploadProps}>
       <Button icon={<UploadOutlined />}>导入文件</Button>
    </Upload>
}