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FileSize.cs 2.2 KB

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  1. using Admin.Core.Common.Extensions;
  2. using Admin.Core.Common.Helpers;
  3. namespace Admin.Core.Common.Files
  4. {
  5. /// <summary>
  6. /// 文件大小
  7. /// </summary>
  8. public struct FileSize
  9. {
  10. /// <summary>
  11. /// 初始化文件大小
  12. /// </summary>
  13. /// <param name="size">文件大小</param>
  14. /// <param name="unit">文件大小单位</param>
  15. public FileSize(long size, FileSizeUnit unit = FileSizeUnit.Byte)
  16. {
  17. switch (unit)
  18. {
  19. case FileSizeUnit.K:
  20. Size = size * 1024; break;
  21. case FileSizeUnit.M:
  22. Size = size * 1024 * 1024; break;
  23. case FileSizeUnit.G:
  24. Size = size * 1024 * 1024 * 1024; break;
  25. default:
  26. Size = size; break;
  27. }
  28. }
  29. /// <summary>
  30. /// 文件字节长度
  31. /// </summary>
  32. public long Size { get; }
  33. /// <summary>
  34. /// 获取文件大小,单位:字节
  35. /// </summary>
  36. public long GetSize()
  37. {
  38. return Size;
  39. }
  40. /// <summary>
  41. /// 获取文件大小,单位:K
  42. /// </summary>
  43. public double GetSizeByK()
  44. {
  45. return (Size / 1024.0).ToDouble(2);
  46. }
  47. /// <summary>
  48. /// 获取文件大小,单位:M
  49. /// </summary>
  50. public double GetSizeByM()
  51. {
  52. return (Size / 1024.0 / 1024.0).ToDouble(2);
  53. }
  54. /// <summary>
  55. /// 获取文件大小,单位:G
  56. /// </summary>
  57. public double GetSizeByG()
  58. {
  59. return (Size / 1024.0 / 1024.0 / 1024.0).ToDouble(2);
  60. }
  61. /// <summary>
  62. /// 输出描述
  63. /// </summary>
  64. public override string ToString()
  65. {
  66. if (Size >= 1024 * 1024 * 1024)
  67. return $"{GetSizeByG()} {FileSizeUnit.G.ToDescription()}";
  68. if (Size >= 1024 * 1024)
  69. return $"{GetSizeByM()} {FileSizeUnit.M.ToDescription()}";
  70. if (Size >= 1024)
  71. return $"{GetSizeByK()} {FileSizeUnit.K.ToDescription()}";
  72. return $"{Size} {FileSizeUnit.Byte.ToDescription()}";
  73. }
  74. }
  75. }