List<string> returnList = new List<string>();

             using (SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.Open(filename, false))

             {

                 foreach (Sheet sheet in spreadsheetDocument.WorkbookPart.Workbook.Descendants<Sheet>())

                 {

                     returnList.Add(sheet.Name);

                 }

                 foreach (Sheet sheet in spreadsheetDocument.WorkbookPart.Workbook.Descendants<Sheet>())

                 {

                     IEnumerable<Sheet> IEnumerableSheet = spreadsheetDocument.WorkbookPart.Workbook.Descendants<Sheet>().Where(s => s.Name == sheet.Name);

                     WorksheetPart worksheetPart = (WorksheetPart)spreadsheetDocument.WorkbookPart.GetPartById(IEnumerableSheet.First().Id);

                     IEnumerable<Row> rows  = worksheetPart.Worksheet.Descendants<Row>();

                     SharedStringTable sharedStringTable = spreadsheetDocument.WorkbookPart.SharedStringTablePart.SharedStringTable;

                     foreach (Row row in rows)

                     {

                         foreach (Cell cell in row.Descendants<Cell>())

                         {

                             if (cell.ChildElements.Count == )

                             {

                             }

                             else

                             {

                                 if (cell.DataType != null)

                                 {

                                      //获取其中共享数据类型

                                     if (cell.DataType.Value == CellValues.SharedString)

                                     {

                                        string cellValue = sharedStringTable.ChildElements[int.Parse(cell.CellValue.InnerText)].InnerText;

                                        returnList.Add(cellValue);

                                     }

                                 }

                             }

                         }

                     }

                 }

                 return returnList;

             }