样式优化

This commit is contained in:
孙佳艺
2026-05-26 13:47:24 +08:00
parent d61dcdc8db
commit 01d15276ba
23 changed files with 6265 additions and 747 deletions
+26
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export function generateUUID(): string {
// 优先使用现代浏览器的 crypto.randomUUID
if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
return crypto.randomUUID();
}
// 降级方案:使用 crypto.getRandomValues 生成 UUIDv4
if (typeof crypto !== 'undefined' && typeof crypto.getRandomValues === 'function') {
const bytes = crypto.getRandomValues(new Uint8Array(16));
// 设置版本为 4UUIDv4
bytes[6] = (bytes[6] & 0x0f) | 0x40;
// 设置变体为 RFC 4122
bytes[8] = (bytes[8] & 0x3f) | 0x80;
const hex = Array.from(bytes).map(b => b.toString(16).padStart(2, '0')).join('');
return `${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20)}`;
}
// 最后降级:使用时间戳和随机数
const timestamp = Date.now().toString(16).padStart(12, '0');
const random = Math.random().toString(16).slice(2, 10).padStart(8, '0');
return `${timestamp}-${random}-4xxx-yxxx-${Math.random().toString(16).slice(2, 12)}`.replace(/[xy]/g, (c) => {
const r = Math.random() * 16 | 0;
return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
});
}