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32 lines
644 B
32 lines
644 B
5 months ago
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package utils
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import (
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"crypto/rand"
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"encoding/base64"
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"io"
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"strings"
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)
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// uuid本来长度16, 改成15，生成base64编码长度刚好20
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// 参考代码 "github.com/google/uuid"
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type UUID [15]byte
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var randreader = rand.Reader //io.Reader
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func GetUUID() string {
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var auuid UUID
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_, err := io.ReadFull(randreader, auuid[:])
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if err != nil {
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// fmt.Println("the error:" + err.Error())
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return ""
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}
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// 原来的uuid
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// var dst [16]byte
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// hex.Encode(dst[:], auuid[:])
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// return string(dst[:])
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s := base64.StdEncoding.EncodeToString(auuid[:])
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s = strings.ReplaceAll(s, "/", "a")
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s = strings.ReplaceAll(s, "+", "z")
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return s
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}
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