生成uuid
2021-04-01 本文已影响0人
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function uuid (hasHyphen) {
return (hasHyphen ? 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx' : 'xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx').replace(/[xy]/g, function (c) {
const r = Math.random() * 16 | 0
const v = c == 'x' ? r : (r & 0x3 | 0x8)
return v.toString(16)
})
}
