40 lines
715 B
Go
Executable File
40 lines
715 B
Go
Executable File
package utils
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import (
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"fmt"
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"math/rand"
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)
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func RandDigits(n uint) string {
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s := ""
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for n != 0 {
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s += fmt.Sprintf("%d", rand.Intn(10))
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n--
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}
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return s
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}
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const lowerLetter = "abcdefghijklmnopqrstuvwxyz"
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func RandLowerString(n int) string {
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b := make([]byte, n)
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for i := range b {
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b[i] = lowerLetter[rand.Intn(len(lowerLetter))]
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}
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return string(b)
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}
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func GetRandomUserName(base string, len int) string {
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return base + RandDigits(2) + RandLowerString(len)
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}
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const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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func RandStringBytes(n int) string {
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b := make([]byte, n)
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for i := range b {
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b[i] = letterBytes[rand.Intn(len(letterBytes))]
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}
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return string(b)
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}
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