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carsonxu avatar carsonxu commented on July 22, 2024
  1. 上传的过程中读取不到单个文件上传进度;
    文件上传进度是通过回调来返回的,原本是上传完一个分片才有一次回调,昨天更新了一个版本,支持大约100ms一次回调。
    demo.js#L342-L347

  2. 多文件同时上传有什么限制:
    a. sliceUploadFile 方法可以传SliceSize控制每片大小,可以传 AsyncLimit 控制单文件里的分片的并发量
    b. 同时上传多个文件,暂时还未限制文件的并发(多文件并发限制后续会完善)。
    c. 每个文件上传的进度同样是通过每次传入的 onProgress 回调告知调用者。

  3. [支持的块的数量为1到10000,块的大小为1 MB 到5 GB]
    这里指的是服务器的限制。

  4. 暂停上传
    这里指的是取消上传?还是真的暂停,还想重新开始的?
    后续会先补上取消,暂停和重新开始也会找时间补上。

  5. 异常退出
    文件上传一部分分片之后,重新发起同一个文件,同一个路径的上传,会从服务器拉已上传 list,再开始上传未完成的块。
    不过这部分还可以优化空间。

谢谢提了诸多改进建议!

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carsonxu avatar carsonxu commented on July 22, 2024

暂停上传,取消上传已支持。
https://github.com/tencentyun/cos-nodejs-sdk-v5/blob/master/demo/demo.js#L451-L473

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Boxser567 avatar Boxser567 commented on July 22, 2024

@carsonxu 上个版本真解决了大文件下载报错的问题,不错哦!

另外,下载文件 什么时候能支持暂停和断点续传吖? 好期待

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carsonxu avatar carsonxu commented on July 22, 2024

感谢关注,下载的暂停支持,短期内没考虑实现

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lockiechen avatar lockiechen commented on July 22, 2024

批量上传文件时,单个文件出错时,回调函数内的err不会被赋值,我应该在哪里终止上传流程,或者有办法可以回退本次已上传的文件么 @carsonxu

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