解析xls文件，解析的总条数有关问题-

public List<HashMap<String, Object>> excuteExcel(InputStream is,
            int sheetNumber) throws Exception {
        
        HSSFWorkbook workbook = new HSSFWorkbook(is);
    
        List<HashMap<String, Object>> result = new ArrayList<HashMap<String, Object>>();
        
        //得到 sheet
        HSSFSheet sheet = workbook.getSheetAt(sheetNumber);
        // 一共有 sheet 
        int rowCount = sheet.getLastRowNum();

        if (rowCount < 1) {
            return result;
        }
        //得到一个有多少个例
        int cellCount = sheet.getRow(0).getLastCellNum();
        // 遍历所有的row
        for (int rowIndex = 0; rowIndex <= rowCount; rowIndex++) {
            //得到俱体的
            HSSFRow row = sheet.getRow(rowIndex);
            if (null != row) {
                HashMap<String, Object> rowData = new HashMap<String, Object>();
                
                // 遍历例cell
                for (short cellIndex = 0; cellIndex < cellCount; cellIndex++) {
                    HSSFCell cell = row.getCell(cellIndex);
                // 得到例的值
                Object cellStr = this.getCellString(cell)==null?"":this.getCellString(cell);
                                     String str=cellStr.toString();
                                     if(str!=null){
                                  str=str.replaceAll("'", "");
                                      }
                    rowData.put(String.valueOf(cellIndex), cellStr);
                     
                }
                result.add(rowData);
            }
        }
        return result;
    }