c# 生成随机时间

  Random random = new Random((int)(DateTime.Now.Ticks));
             int i = ;
             while (i < )
             {
                 int hour = random.Next(, );
                 int minute = random.Next(, );
                 int second = random.Next(, );
                 string tempStr = string.Format("{0} {1}:{2}:{3}", DateTime.Now.ToString("yyyy-MM-dd"), hour, minute, second);
                 DateTime rTime = Convert.ToDateTime(tempStr);
                 Console.WriteLine(rTime.ToString());
                 i++;
             }
             Console.ReadKey();