如何确定文件的唯一性？ - V2EX

如何确定文件的唯一性？ - V2EX

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LeanCloud

LeanCloud

这是一个创建于 3936 天前的主题，其中的信息可能已经有所发展或是发生改变。

现在上传文件同样的文件上传多次会产生多个
服务器端也没有返回 sha1之类的文件特征码

4 条回复 2015-01-31 22:38:48 +08:00

1

Showfom

PRO

2015-01-31 19:09:29 +08:00 via iPhone

一般md5也够了

2

n37r06u3

OP

2015-01-31 19:14:12 +08:00

@Showfom 还要本地计算md5 ？

3

clino

2015-01-31 19:41:33 +08:00 via Android

文件名/文件大小/最后修改时间这三个是不是基本也够了

4

liyandong

2015-01-31 22:38:48 +08:00

md5 SHA1

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