C#修改文件或文件夾的權限，為指定用戶、用戶組添加完全控制權限

C#修改文件或文件夾的權限，為指定用戶、用戶組添加完全控制權限

            //給Excel文件添加"Everyone,Users"用戶組的完全控制權限
            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);

            //給Excel文件所在目錄添加"Everyone,Users"用戶組的完全控制權限
            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);