Extension.cs 2.1 KB

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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Threading.Tasks;
  6. namespace CP.Common
  7. {
  8. /// <summary>
  9. /// 扩展编写
  10. /// </summary>
  11. public static class Extension
  12. {
  13. /// <summary>
  14. /// 转换为Int32
  15. /// </summary>
  16. /// <param name="value"></param>
  17. /// <returns></returns>
  18. public static int ToInt32(this object value)
  19. {
  20. return int.Parse(value.ToString());
  21. }
  22. /// <summary>
  23. /// 字符串是否是int32
  24. /// </summary>
  25. /// <param name="value"></param>
  26. /// <returns></returns>
  27. public static bool IsInt32(this string value)
  28. {
  29. int i = 0;
  30. if (int.TryParse(value, out i))
  31. return true;
  32. return false;
  33. }
  34. /// <summary>
  35. /// 转化为时间
  36. /// </summary>
  37. /// <param name="vlaue"></param>
  38. /// <returns></returns>
  39. public static DateTime ToDateTime(this string vlaue)
  40. {
  41. return DateTime.Parse(vlaue);
  42. }
  43. public static DateTime ToDateTime1(this string value)
  44. {
  45. var data = "";
  46. for (int i = 0; i < value.Length; i++)
  47. {
  48. data += value[i];
  49. if (i == 3 || i == 5)
  50. {
  51. data += "-";
  52. }
  53. }
  54. return DateTime.Parse(data);
  55. }
  56. /// <summary>
  57. /// 转换为日期
  58. /// </summary>
  59. /// <param name="value"></param>
  60. /// <returns></returns>
  61. public static DateTime ToDate(this string value)
  62. {
  63. return DateTime.Parse(value).ToString("yyyy-MM-dd").ToDateTime();
  64. }
  65. /// <summary>
  66. /// 字符串是否为空
  67. /// </summary>
  68. /// <param name="value"></param>
  69. /// <returns></returns>
  70. public static bool IsEmpty(this string value)
  71. {
  72. if (string.IsNullOrEmpty(value))
  73. return true;
  74. return false;
  75. }
  76. }
  77. }