GuidExtension.cs 813 B

123456789101112131415161718192021222324252627282930313233
  1. using System;
  2. namespace Core.Util.Extension
  3. {
  4. public static class GuidExtension
  5. {
  6. /// <summary>
  7. /// GuidÊÕËõµ½string
  8. /// </summary>
  9. /// <param name="target"></param>
  10. /// <returns></returns>
  11. public static string Shrink(this Guid target)
  12. {
  13. if (target.IsEmpty()) return "";
  14. var base64 = Convert.ToBase64String(target.ToByteArray());
  15. var encoded = base64.Replace("/", "_").Replace("+", "-");
  16. return encoded.Substring(0, 22);
  17. }
  18. /// <summary>
  19. /// GuidÊÇ·ñΪ¿Õ
  20. /// </summary>
  21. /// <param name="target"></param>
  22. /// <returns></returns>
  23. public static bool IsEmpty(this Guid target)
  24. {
  25. return target == Guid.Empty;
  26. }
  27. }
  28. }