/** * @Author: fuxiao * @Email: 576101059@qq.com * @Date: 2021/8/26 4:51 下午 * @Desc: TODO */ package internal import ( "math/rand" "time" ) var seedStr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" // RandStr generate a string of specified length. func RandStr(length int) (lastStr string) { rand.Seed(time.Now().UnixNano()) pos, seedLen := 0, len(seedStr) for i := 0; i < length; i++ { pos = rand.Intn(seedLen) lastStr += seedStr[pos : pos+1] } return lastStr }