mirror of
https://gitee.com/dromara/mayfly-go
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41 lines
777 B
Go
41 lines
777 B
Go
package stringx
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import (
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"math/rand"
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"strings"
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"time"
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"github.com/google/uuid"
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)
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const Nums = "0123456789"
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const LowerChars = "abcdefghigklmnopqrstuvwxyz"
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const UpperChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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// 生成随机字符串
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func Rand(l int) string {
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return RandByChars(l, Nums+LowerChars+UpperChars)
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}
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// RandUUID
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func RandUUID() string {
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return strings.Replace(uuid.New().String(), "-", "", -1)
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}
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// 根据传入的chars，随机生成指定位数的字符串
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func RandByChars(l int, chars string) string {
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strList := []byte(chars)
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result := []byte{}
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i := 0
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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charLen := len(strList)
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for i < l {
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new := strList[r.Intn(charLen)]
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result = append(result, new)
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i = i + 1
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}
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return string(result)
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}
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