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2021-11-17

golang随机生成N位随机数
golang随机生成N位随机数
golang随机生成N位随机数下面直接上代码//随机生成6位验证码 package main import ( "fmt" "math/rand" "strconv" "time" ) func main() { //先用纳米的时间戳初始化随机种子 rand.Seed(time.Now().UnixNano()) //验证码初始化 var code string //需要生成的随机数量，根据自己的需要修改这个值 var num int = 4 //使用for循环 for i := 0; i < num; i++ { //验证码拼接，因为 i 是整形，需要先转为字符串 code += strconv.Itoa(rand.Intn(10)) } fmt.Println(code) } 结果如下图所示
2021-11-17

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2021年11月17日
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