go生成随机数字验证码
一行代码搞定
code := fmt.Sprintf("%06v", rand.New(rand.NewSource(time.Now().UnixNano())).Int31n(1000000))
fmt.Println(code)
code := fmt.Sprintf("%06v", rand.New(rand.NewSource(time.Now().UnixNano())).Int31n(1000000))
fmt.Println(code)