信息脱敏帮助类

 1 /// <summary>
 2     /// 信息脱敏帮助类
 3     /// </summary>
 4     public static class DesensitizationHelper
 5     {
 6         private static string replace(this string s, int len, string data) => s.Remove(len, data.Length).Insert(len, data);
 7         /// <summary>
 8         /// 手机号脱敏
 9         /// </summary>
10         /// <param name="str"></param>
11         /// <returns></returns>
12         public static string DesenseMobilePhone(this string input)
13         {
14             if (string.IsNullOrWhiteSpace(input))
15             {
16                 return "";
17             }
18             return input.replace(3, "****");
19         }
20 
21         /// <summary>
22         /// 地址脱敏
23         /// </summary>
24         /// <param name="str"></param>
25         /// <returns></returns>
26         public static string DesenseAddress(this string input)
27         {
28             if (string.IsNullOrWhiteSpace(input))
29             {
30                 return "";
31             }
32             return Regex.Replace(input, @"\d", "*");
33         }
34 
35         /// <summary>
36         /// 姓名脱敏
37         /// </summary>
38         /// <param name="str"></param>
39         /// <returns></returns>
40         public static string DesenseConsignee(this string input)
41         {
42             char specialChar = ‘*‘;
43             if (string.IsNullOrWhiteSpace(input))
44             {
45                 return "";
46             }
47 
48             if (input.Length > 0 && input.Length <= 2)
49                 input = input.Substring(0, 1) + "*";
50             else if (input.Length > 2)
51             {
52                 int lenth = input.Length - 2;//掐头去尾
53                 string specialStr = string.Empty.PadRight(lenth, specialChar);
54                 input = input.replace(1, specialStr);
55             }
56             return input;
57         }
58     }