C 修改文件或文件夹的权限，为指定用户 用户组添加完全控制权限

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C#修改文件或文件夹的权限，为指定用户、用户组添加完全控制权限

            //给Excel文件添加"Everyone,Users"用户组的完全控制权限            FileInfo fi = new FileInfo(excelPath);            System.Security.AccessControl.FileSecurity fileSecurity = fi.GetAccessControl();            fileSecurity.AddAccessRule(new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Allow));            fileSecurity.AddAccessRule(new FileSystemAccessRule("Users", FileSystemRights.FullControl, AccessControlType.Allow));            fi.SetAccessControl(fileSecurity);            //给Excel文件所在目录添加"Everyone,Users"用户组的完全控制权限            DirectoryInfo di = new DirectoryInfo(Path.GetDirectoryName(excelPath));            System.Security.AccessControl.DirectorySecurity dirSecurity = di.GetAccessControl();            dirSecurity.AddAccessRule(new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Allow));            dirSecurity.AddAccessRule(new FileSystemAccessRule("Users", FileSystemRights.FullControl, AccessControlType.Allow));            di.SetAccessControl(dirSecurity);

           

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