Ejemplo n.º 1
0
        /// <summary>
        /// Đọc file excel ra datatable
        /// </summary>
        /// <param name="strPath">Đường dẫn đến file</param>
        /// <param name="isDelete">Có xóa file sau khi đọc</param>
        /// <returns></returns>
        public static DataTable ReadExcelToDataTable(string strPath, bool isDelete = false, int curCol = 0, int minRow = 0, int sheetIndex = 0)
        {
            IWorkbook wb = ReadExcelToIWorkBook(strPath, isDelete);

            if (wb == null)
            {
                return(null);
            }

            ISheet      sheet     = wb.GetSheetAt(sheetIndex);
            DataTable   dt        = new DataTable();
            IRow        headerRow = sheet.GetCreateRow(0);
            IEnumerator rows      = sheet.GetRowEnumerator();

            int colCount = headerRow.LastCellNum;
            int rowCount = sheet.LastRowNum;

            //Neu so cột không đúng thì ko đọc tiếp
            if (curCol > 0 && curCol != colCount)
            {
                return(dt);
            }
            //Nếu số dong không đúng thì ko đọc tiếp
            if (minRow > 0 && rowCount < minRow)
            {
                return(dt);
            }
            //add Columns
            for (int c = 0; c < colCount; c++)
            {
                dt.Columns.Add(headerRow.GetCell(c).ToString());
            }

            bool    hashValue = false;
            DataRow dr        = dt.NewRow();

            rows.MoveNext();//Bo row dau
            IRow row;

            //Add row
            while (rows.MoveNext())
            {
                row = (IRow)rows.Current;
                if (hashValue)
                {
                    dr = dt.NewRow();
                }
                hashValue = false;
                for (int i = 0; i < colCount; i++)
                {
                    ICell cell = row.GetCell(i);

                    if (cell != null)
                    {
                        CellType _cellType = cell.CellType == CellType.Formula ? cell.CachedFormulaResultType : cell.CellType;
                        switch (_cellType)
                        {
                        case CellType.Numeric:
                            if (HSSFDateUtil.IsCellDateFormatted(cell))
                            {
                                dr[i] = cell.DateCellValue.ToString(Enums.FormatType.FormatDateVN);
                            }
                            else
                            {
                                dr[i] = cell.NumericCellValue.ToString();
                            }
                            hashValue = true;
                            break;

                        case CellType.String:
                            dr[i]     = cell.StringCellValue;
                            hashValue = true;
                            break;
                        }
                    }
                }
                if (hashValue)
                {
                    dt.Rows.Add(dr);
                }
            }
            return(dt);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Đọc excel và ghi dữ liệu IWorkBook Chưa hoàn thành
        /// </summary>
        /// <param name="strPath">Đường dẫn đến file excel</param>
        /// <param name="dtSource"></param>
        /// <param name="rowStart"></param>
        /// <param name="colStart"></param>
        /// <param name="IsCount">True - Có STT, False - Không có STT</param>
        /// <returns></returns>
        /// <modified>
        /// Author      Date        comment
        /// anhhn      15/07/2012  Tạo mới
        /// </modified>
        public static IWorkbook WriteExcelByTemp(this DataTable dtSource, string strPath, int rowStart, int colStart, bool IsCount = false)
        {
            IWorkbook wb = ReadExcelToIWorkBook(strPath);

            if (wb == null)
            {
                return(wb);
            }
            int rowCount = dtSource.Rows.Count;

            if (rowCount == 0)
            {
                return(wb);
            }
            int colSTT = 0;

            if (IsCount)
            {
                colSTT++;
            }
            int    colCount = dtSource.Columns.Count;
            ISheet sheet    = wb.GetSheetAt(0);

            int  indexRow = rowStart;
            IRow Row      = sheet.GetRow(indexRow++);

            if (Row.Cells.Count < colCount + colSTT)
            {
                return(wb);
            }

            ICellStyle[] lstCellStyle = new ICellStyle[colCount + colSTT];
            ICell        cell;
            int          indexCol = colStart;
            DataRow      dr       = dtSource.Rows[0];

            if (IsCount)
            {
                cell = Row.GetCell(indexCol);
                lstCellStyle[indexCol - colStart] = cell.CellStyle;
                cell.SetCellValue(1);
                indexCol++;
            }
            for (int i = 0; i < colCount; i++)
            {
                cell = Row.GetCell(indexCol);
                lstCellStyle[indexCol - colStart] = cell.CellStyle;
                //UNDONE Lấy kiểu của dữ liệu
                cell.SetCellValue(dr[i].ToString());
                indexCol++;
            }
            for (int i = 1; i < dtSource.Rows.Count; i++)
            {
                Row      = sheet.GetCreateRow(indexRow++);
                indexCol = 0;
                dr       = dtSource.Rows[i];
                indexCol = colStart;
                if (IsCount)
                {
                    cell = Row.CreateCell(indexCol);
                    cell.SetCellValue(i + 1);
                    cell.CellStyle = lstCellStyle[indexCol - colStart];
                    indexCol++;
                }
                for (int j = 0; j < colCount; j++)
                {
                    cell = Row.CreateCell(indexCol);
                    cell.SetCellValue(dr[j].ToString());
                    cell.CellStyle = lstCellStyle[indexCol - colStart];
                    indexCol++;
                }
            }
            return(wb);
        }