V2EX guid

Guid

Definition / 定义

GUID(常写作大写)指“全局唯一标识符”,是一串用于在系统中唯一识别对象(如用户、文件、记录、组件等)的编号/字符串,常见于软件开发与数据库场景。
(注:在不同语境中也可能指与 UUID 相近的标识符格式;另外 guid 也可作苏格兰英语中 good 的拼写变体,但较少见。)

Pronunciation / 发音

/ud/
/di ju a di/

Examples / 例句

The system generates a GUID for each new user.
系统会为每个新用户生成一个 GUID。

To avoid collisions across distributed services, we use a GUID as the primary identifier and store it alongside the creation timestamp.
为避免分布式服务之间发生编号冲突,我们用 GUID 作为主标识符,并将其与创建时间戳一起存储。

Etymology / 词源

GUID 来自短语 Globally Unique Identifier(“全局唯一标识符”)的首字母缩写,广泛流行于微软与 Windows/COM 等相关技术生态中;在更通用的标准语境里,常见对应术语是 UUID(Universally Unique Identifier)。

Related Words / 相关词

Literary Works / 文学与作品例证

  • Windows Internals(Russinovich 等):讨论 Windows 内部机制时常涉及各类标识符(含 GUID)的使用语境。
  • Essential COM(Don Box):介绍 COM 组件体系时会出现 GUID/CLSID/IID 等标识概念。
  • *CLR via C#*(Jeffrey Richter):在 .NET 与类型/程序集相关内容中会出现 GUID 属性与标识用途。
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