本文實(shí)例為大家分享了C#生成唯一訂單號(hào)的具體代碼，供大家參考，具體內(nèi)容如下
根據(jù)GUID+DateTime.Now.Ticks生產(chǎn)唯一訂單號(hào)
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/// <summary> /// 生成唯一數(shù) /// </summary> public class UniqueData { private static object obj = new object(); private static int GuidInt { get { return Guid.NewGuid().GetHashCode(); } } private static string GuidIntStr { get { return Math.Abs(GuidInt).ToString(); } } /// <summary> /// 生成 /// </summary> /// <param name="mark">前綴</param> /// <param name="timeType">時(shí)間精確類型 1 日,2 時(shí),3 分，4 秒(默認(rèn)) </param> /// <param name="id">id 小于或等于0則隨機(jī)生成id</param> /// <returns></returns> public static string Gener(string mark, int timeType = 4, int id = 0) { lock (obj) { var number = mark; var ticks = (DateTime.Now.Ticks - GuidInt).ToString(); int fillCount = 0;//填充位數(shù) number += GetTimeStr(timeType, out fillCount); if (id > 0) { number += ticks.Substring(ticks.Length - (fillCount + 3)) + id.ToString().PadLeft(10, '0'); } else { number += ticks.Substring(ticks.Length - (fillCount + 3)) + GuidIntStr.PadLeft(10, '0'); } return number; } } /// <summary> /// 生成 /// </summary> /// <param name="mark">前綴</param> /// <param name="timeType">時(shí)間精確類型 1 日,2 時(shí),3 分，4 秒(默認(rèn))</param> /// <param name="id">id 小于或等于0則隨機(jī)生成id</param> /// <returns></returns> public static string GenerLong(string mark, int timeType = 4, long id = 0) { lock (obj) { var number = mark; var ticks = (DateTime.Now.Ticks - GuidInt).ToString(); int fillCount = 0;//填充位數(shù) number += GetTimeStr(timeType, out fillCount); if (id > 0) { number += ticks.Substring(ticks.Length - fillCount) + id.ToString().PadLeft(19, '0'); } else { number += GuidIntStr.PadLeft(10, '0') + ticks.Substring(ticks.Length - (9 + fillCount)); } return number; } } /// <summary> /// 獲取時(shí)間字符串 /// </summary> /// <param name="timeType">時(shí)間精確類型 1 日,2 時(shí),3 分，4 秒(默認(rèn))</param> /// <param name="fillCount">填充位數(shù)</param> /// <returns></returns> private static string GetTimeStr(int timeType, out int fillCount) { var time = DateTime.Now; if (timeType == 1) { fillCount = 6; return time.ToString("yyyyMMdd"); } else if (timeType == 2) { fillCount = 4; return time.ToString("yyyyMMddHH"); } else if (timeType == 3) { fillCount = 2; return time.ToString("yyyyMMddHHmm"); } else { fillCount = 0; return time.ToString("yyyyMMddHHmmss"); } } } |
以上就是本文的全部內(nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持服務(wù)器之家。
原文鏈接：https://www.cnblogs.com/ylkbdw/archive/2018/08/31/9565295.html
