What is UUID v4?什么是 UUID v4?
A UUID v4 is a 128-bit identifier generated mostly from random bytes. It is commonly used for database IDs, API request IDs, test data, and distributed systems.UUID v4 是主要由随机字节生成的 128 位标识符,常用于数据库 ID、API 请求 ID、测试数据和分布式系统。
Secure random identifiers安全随机标识符
Generate cryptographically secure UUID v4 values in bulk, then copy or export uppercase, lowercase, URN, no-hyphen, JSON, JavaScript array, or SQL VALUES formats.批量生成加密安全的 UUID v4,支持复制或导出大写、小写、URN、无连字符、JSON、JavaScript 数组和 SQL VALUES 格式。
A UUID v4 is a 128-bit identifier generated mostly from random bytes. It is commonly used for database IDs, API request IDs, test data, and distributed systems.UUID v4 是主要由随机字节生成的 128 位标识符,常用于数据库 ID、API 请求 ID、测试数据和分布式系统。
Yes. It uses the browser Crypto API, not Math.random, and generation happens locally in your browser.是的。它使用浏览器 Crypto API,而不是 Math.random,并且全部在浏览器本地生成。
UUIDs are generated on your device. No generated values are submitted to IdeaFactory Lab.UUID 在你的设备上生成,不会提交给 IdeaFactory Lab。