package util import ( "math/rand" "time" ) var passwordChars = []byte("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789") func init() { rand.Seed(int64(time.Now().Unix())) } func RandomPassword(n int) string { b := make([]byte, n) for i := range b { b[i] = passwordChars[rand.Intn(len(passwordChars))] } return string(b) }