import java.io.File;import java.io.IOException;import org.apache.poi.openxml4j.exceptions.InvalidFormatException;import org.apache.poi.ss.usermodel.Cell;import org.apache.poi.ss.usermodel.Row;import org.apache.poi.ss.usermodel.Sheet;import org.apache.poi.ss.usermodel.Workbook;import org.apache.poi.ss.usermodel.WorkbookFactory;import org.apache.poi.ss.util.CellRangeAddress;import org.junit.Test;/*** * @author wcyong** @date 2013-6-21*/public class TestReadMergeRegionExcel {@Testpublic void testReadExcel() {readExcelToObj(“f:\\test\\out3.xls”);}/*** 读取excel数据* @param path*/private void readExcelToObj(String path) {Workbook wb = null;try {wb = WorkbookFactory.create(new File(path));readExcel(wb, 0, 0, 0);} catch (InvalidFormatException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}/*** 读取excel文件* @param wb * @param sheetIndex sheet页下标：从0开始* @param startReadLine 开始读取的行:从0开始* @param tailLine 去除最后读取的行*/private void readExcel(Workbook wb,int sheetIndex, int startReadLine, int tailLine) {Sheet sheet = wb.getSheetAt(sheetIndex);Row row = null;for(int i=startReadLine; i<sheet.getLastRowNum()-tailLine+1; i++) {row = sheet.getRow(i);for(Cell c : row) {boolean isMerge = isMergedRegion(sheet, i, c.getColumnIndex());//判断是否具有合并单元格if(isMerge) {String rs = getMergedRegionValue(sheet, row.getRowNum(), c.getColumnIndex());System.out.print(rs + “ “);}else {System.out.print(c.getRichStringCellValue()+” “);}}System.out.println();}}/** * 获取合并单元格的值 * @param sheet * @param row * @param column * @return */ public String getMergedRegionValue(Sheet sheet ,int row , int column){int sheetMergeCount = sheet.getNumMergedRegions();for(int i = 0 ; i < sheetMergeCount ; i++){CellRangeAddress ca = sheet.getMergedRegion(i);int firstColumn = ca.getFirstColumn();int lastColumn = ca.getLastColumn();int firstRow = ca.getFirstRow();int lastRow = ca.getLastRow();if(row >= firstRow && row <= lastRow){if(column >= firstColumn && column <= lastColumn){Row fRow = sheet.getRow(firstRow);Cell fCell = fRow.getCell(firstColumn);return getCellValue(fCell) ;}}}return null ; }/*** 判断合并了行* @param sheet* @param row* @param column* @return*/private boolean isMergedRow(Sheet sheet,int row ,int column) { int sheetMergeCount = sheet.getNumMergedRegions(); for (int i = 0; i < sheetMergeCount; i++) {CellRangeAddress range = sheet.getMergedRegion(i);int firstColumn = range.getFirstColumn();int lastColumn = range.getLastColumn();int firstRow = range.getFirstRow();int lastRow = range.getLastRow();if(row == firstRow && row == lastRow){if(column >= firstColumn && column <= lastColumn){return true;}} } return false;}/*** 判断指定的单元格是否是合并单元格* @param sheet * @param row 行下标* @param column 列下标* @return*/private boolean isMergedRegion(Sheet sheet,int row ,int column) { int sheetMergeCount = sheet.getNumMergedRegions(); for (int i = 0; i < sheetMergeCount; i++) {CellRangeAddress range = sheet.getMergedRegion(i);int firstColumn = range.getFirstColumn();int lastColumn = range.getLastColumn();int firstRow = range.getFirstRow();int lastRow = range.getLastRow();if(row >= firstRow && row <= lastRow){if(column >= firstColumn && column <= lastColumn){return true;}} } return false;}/*** 判断sheet页中是否含有合并单元格 * @param sheet * @return*/private boolean hasMerged(Sheet sheet) {return sheet.getNumMergedRegions() > 0 ? true : false;}/*** 合并单元格* @param sheet * @param firstRow 开始行* @param lastRow 结束行* @param firstCol 开始列* @param lastCol 结束列*/private void mergeRegion(Sheet sheet, int firstRow, int lastRow, int firstCol, int lastCol) {sheet.addMergedRegion(new CellRangeAddress(firstRow, lastRow, firstCol, lastCol));}/** * 获取单元格的值 * @param cell * @return */ public String getCellValue(Cell cell){if(cell == null) return “”;if(cell.getCellType() == Cell.CELL_TYPE_STRING){return cell.getStringCellValue();}else if(cell.getCellType() == Cell.CELL_TYPE_BOOLEAN){return String.valueOf(cell.getBooleanCellValue());}else if(cell.getCellType() == Cell.CELL_TYPE_FORMULA){return cell.getCellFormula() ;}else if(cell.getCellType() == Cell.CELL_TYPE_NUMERIC){return String.valueOf(cell.getNumericCellValue());}return “”; } }
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