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Architect_Programmer_Code Agriculture Network»Architect › Programming › .Net/C # › c# hide the mobile phone number in the form of the middle 4 digits hidden with *...
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[Source] C# hides the mobile phone number in the form of the middle 4 digits hidden with *

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Posted on 12/21/2015 3:43:00 PM | | |
If you use sql to do it directly~~ you can do it like this~~
  1. select isnull(stuff(user_phone,4,4,'****'),'游客') as user_phone from tbl_user
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If you do it in the program~~ then do it like this~~


  1. public string StuffPhone(string _phone)
  2.     {
  3.         string result = string.Empty;
  4.         if (_phone.Length == 11)
  5.         {
  6.             result = _phone.Insert(3, "****").Remove(7, 4);
  7.         }
  8.         else
  9.         {
  10.             result = "手机号无效";
  11.         }
  12.         return result;
  13.     }
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