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UUID 生成器
生成唯一标识符 UUID
ID 类型
UUID v4
Randomly generated UUID (Version 4)
UUID v1
Time-based UUID (Version 1)
ULID
Universally Unique Lexicographically Sortable Identifier
Nano ID
URL-safe unique string ID generator
CUID
Collision-resistant unique identifier
ObjectId
MongoDB-style ObjectId
Snowflake ID
Twitter-style distributed ID
Custom Format
Create your own ID format
格式选项
大小写格式
小写
大写
混合大小写
包含连字符
分隔符
前缀
后缀
关于 UUID v4
Randomly generated UUID (Version 4)
示例：
550e8400-e29b-41d4-a716-446655440000
优点：
Cryptographically random
No collision risk
Platform independent
RFC 4122 compliant