26 lines
477 B
Go
26 lines
477 B
Go
package util
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import (
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"math/rand"
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"time"
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)
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func RandomStr(length int) string {
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str := "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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bytes := []byte(str)
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result := []byte{}
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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for i := 0; i < length; i++ {
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result = append(result, bytes[r.Intn(len(bytes))])
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}
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return string(result)
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}
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func CutTail(str string, length int) string {
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if len(str) <= length {
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return str
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}
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return str[0:length]
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}
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