我想用时间格式生成10位随机数,可以这样写吗?如果不对,请给一个正确的,也可以不用时间生成。谢谢!
DateTime time = DateTime.Now;
Random rd = new Random();
string number = time.ToString("yyyyMMddHH", DateTimeFormatInfo.InvariantInfo) + rd.Next(1000, 9999).ToString();
DateTime time = DateTime.Now;
Random rd = new Random();
string number = time.ToString("yyyyMMddHH", DateTimeFormatInfo.InvariantInfo) + rd.Next(1000, 9999).ToString();
Random rand = new Random();
int randomNumber = rand.Next(10, 100);
Random rd = new Random();
string number = rd.Next(10000, 99999).ToString() + rd.Next(10000, 99999).ToString();