package utils import ( "math/rand" "time" ) var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") func RandStr(n int) string { rand.Seed(time.Now().UnixNano()) b := make([]rune, n) for i := range b { b[i] = letters[rand.Intn(len(letters))] } return string(b) }