Java 中将 String 转换为 UUID 的最简单方法
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Easiest way in Java to turn String into UUID
提问by Guy Kobrinsky
How to generate a valid UUID from a String? The String alone is not what I'm looking for. Rather, I'm looking for something like a hash function converting any String to a valid UUID.
如何从字符串生成有效的 UUID？单独的字符串不是我要找的。相反，我正在寻找类似于将任何字符串转换为有效 UUID 的哈希函数之类的东西。
回答by Chris Martin
In the Java core library, there's java.util.UUID.nameUUIDFromBytes(byte[]).
在 Java 核心库中，有java.util.UUID.nameUUIDFromBytes(byte[]).
I wouldn't recommend it because it's UUID 3 which is based on MD5, a very broken hash function. You'd be better off finding an implementation of UUID 5, which is based on SHA-1 (better although also sort of broken).
我不会推荐它，因为它是基于 MD5 的 UUID 3，这是一个非常破碎的哈希函数。你最好找到一个基于 SHA-1 的 UUID 5 的实现（更好，虽然也有点坏）。
回答by Raj
Try this out:
试试这个：
String superSecretId = "f000aa01-0451-4000-b000-000000000000";
UUID.fromString(superSecretId);
I am using this in my project and it works. Make sure you import the right stuff.
我在我的项目中使用它并且它有效。确保您导入正确的东西。
