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@enableai/s3

v1.0.3

Published

引入:package.json 中添加,需要确认版本号

Downloads

94

Readme

引入 & 安装

引入:package.json 中添加,需要确认版本号

  "@enableai/s3": "0.0.5",

安装:yarn | npm i | ni

使用:直接引入对应的方法,调用即可

import { uploadFileS3 } from '@enableai/s3'

注意:内部会调用一个接口请求s3连接token,地址是 /core/obs/token,依赖于当前环境自动补齐前面的baseUrl,需要检查当前环境的对应接口是否正常

文件上传 + 进度

const uploadFileS3: (
  file: {file: File, type: string}, 
  path: string, 
  onProgress: ({
    percent: number;
    loaded: number;
    total: number;
  }) => void
) => Promise<CompleteMultipartUploadCommandOutput>

uploadFileS3({ file: file.file, type: file.type! }, url, ({ percent }) => {
  if (percent === 100) percent = 0
  setPercent(percent)
})

注意:文件上传与下载的path需要一致,path的组装方式可以与后端协商

例:

const uploadFileS3: (file: {file: File, type: string}, path: string) => Promise<void>
  const Key = `${batchId}/${file.dirname}${file.name}`
  const datasetPart = `dataset/${datasetId}/`
  const path = datasetPart + Key

文件下载:

getS3FileResponse 参数是一个path,用于获取目标文件的二进制流 Response

const getS3FileResponse: (path: string) => Promise<Response>

将Blob转成url

export const blobToUrl = (blob: Blob) => {
  return URL.createObjectURL(blob)
}

getS3FileResponse(path).then(res => res.blob()).then(blobToUrl)

问题排查:

  • 从后端获取的S3连接信息会存储在localStorage中,每次访问会计算过期时间
  • 其中有一个 region 字段,如果为空,会报错。
  • 需要请运维同学添加region配置