Apache-POI操作Excel的一些小技巧

Apache-POI操作Excel将合并后的单元格全部填充为相同数据的一个实例。

	private static void fillMergedRegion(final Sheet sheet) {

		for (int i = 0; i < sheet.getNumMergedRegions(); i++) {

			int startRow = sheet.getMergedRegion(i).getFirstRow();

			int endRow = sheet.getMergedRegion(i).getLastRow();

			int startColumn = sheet.getMergedRegion(i).getFirstColumn();

			int endColumn = sheet.getMergedRegion(i).getLastColumn();

			String value = getStringValue(sheet.getRow(startRow).getCell(startColumn));



			for (int row = startRow; row <= endRow; row++) {

				for (int column = startColumn; column <= endColumn; column++) {

					sheet.getRow(row).getCell(column).setCellValue(value);

				}

			}

		}

	}

Apache-POI操作Excel获得单元格内容

public static String getStringValue(Cell cell) {

		if (cell == null) {

			return StringConst.EMPTY_STRING;

		}



		// get the type of cell, and transform it

		if (Cell.CELL_TYPE_FORMULA == cell.getCellType()) {

			switch (cell.getCachedFormulaResultType()) {

			// if it is mumeric type

			case Cell.CELL_TYPE_NUMERIC:



				return new DataFormatter().createFormat(cell).format(cell.getNumericCellValue());

				// if it is string type

			case Cell.CELL_TYPE_STRING:

				return cell.getRichStringCellValue().toString();



			}

		}

		return new DataFormatter().formatCellValue(cell);

	}