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							- using System;
 
- using System.Collections.Generic;
 
- using System.Linq;
 
- using System.Text;
 
- using System.Threading.Tasks;
 
- namespace GeekDesk.Util
 
- {
 
-    public class StringUtil
 
-     {
 
-         public static bool IsEmpty(object str)
 
-         {
 
-             if (str == null || str.ToString().Length == 0 || str.ToString().Trim().Length == 0)
 
-             {
 
-                 return true;
 
-             }
 
-             return false;
 
-         }
 
-     }
 
- }
 
 
  |