- public static string GuidTo16String()
- {
- long i = 1;
- foreach (byte b in Guid.NewGuid().ToByteArray())
- i *= ((int)b + 1);
- return string.Format("{0:x}", i - DateTime.Now.Ticks);
- }
- public static long GuidToLongID()
- {
- byte[] buffer = Guid.NewGuid().ToByteArray();
- return BitConverter.ToInt64(buffer, 0);
- }
- public static string GenerateUniqueID()
- {
- System.Threading.Thread.Sleep(1);
- Random d = new Random(BitConverter.ToInt32(Guid.NewGuid().ToByteArray(), 0));
- string strUnique = DateTime.Now.ToString("yyyyMMddHHmmssffff") + d.Next(1000, 9999);
- return strUnique;
- }
短GUID
原文：http://www.cnblogs.com/foreveryu/p/5137643.html
