C# 根据一个数区分小时，分钟，秒

根据一个数区分小时，分钟，秒

        /// <summary>
        /// 根据一个数，区分小时，分钟，秒
        /// </summary>
        /// <returns></returns>
        public string GetTimeString()
        {
            string time = "";
            try
            {

                TimeSpan ts = new TimeSpan(0, 0, recordCount); //recordCount 就是那个数

                if (ts.Hours.ToString().Length < 2)
                {
                    time += "0" + ts.Hours + ":";
                }
                else
                {
                    time += ts.Hours + ":";
                }

                if (ts.Minutes.ToString().Length < 2)
                {
                    time += "0" + ts.Minutes + ":";
                }
                else
                {
                    time += ts.Minutes + ":";
                }

                if (ts.Seconds.ToString().Length < 2)
                {
                    time += "0" + ts.Seconds;
                }
                else
                {
                    time += ts.Seconds;
                }

            }
            catch(Exception ex)
            {
                MedicalLog.InsertSystemLog("VideoRecordItem.cs", "GetTimeString", ex);
            }

            return time;
        }

返回的格式是: 00:00:00