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package com.smart.test;import java.io.FileInputStream;import java.io.FileOutputStream;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFRow;import org.apache.poi.hssf.usermodel.HSSFSheet;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.hssf.util.Region;import org.apache.poi.poifs.filesystem.POIFSFileSystem;public class ExcelCopy { public static void main(String[] args) throws Exception { copyTemplate("Template.xls", "workbook.xls"); } public static void copyTemplate(String exTemplateFilePath, String targetFilePath) throws Exception { POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream( exTemplateFilePath)); HSSFWorkbook wb = new HSSFWorkbook(fs); HSSFSheet sheet = wb.getSheetAt(0); int lastRow = sheet.getLastRowNum() + 1; copyRows(sheet, wb.getSheetAt(0), 1, lastRow, 20); FileOutputStream fileOut = new FileOutputStream(targetFilePath); wb.write(fileOut); fileOut.flush(); fileOut.close(); } @SuppressWarnings("all") public static void copyRows(HSSFSheet sourceSheet, HSSFSheet targetSheet, int startRow, int endRow, int targetPosition) { int pStartRow = startRow - 1; int pEndRow = endRow - 1; int pPosition = targetPosition - 1; HSSFRow sourceRow = null, targetRow = null; HSSFCell sourceCell = null, targetCell = null; Region region = null; int cType, i, j, targetRowFrom, targetRowTo; if (pStartRow < 0 || pEndRow < 0 || pStartRow > pEndRow) { return; } // 获取合并行单元格的数目,并设定目标单元格合并属性 int mergedc = sourceSheet.getNumMergedRegions(); for (i = 0; i < mergedc; i++) { region = sourceSheet.getMergedRegionAt(i); int rf = region.getRowFrom(); int rt = region.getRowTo(); if ((rf >= pStartRow) && (rt <= pEndRow)) { targetRowFrom = rf - pStartRow + pPosition; targetRowTo = rt - pStartRow + pPosition; region.setRowFrom(targetRowFrom); region.setRowTo(targetRowTo); targetSheet.addMergedRegion(region); } } //设定个单元格的列宽 for (i = pStartRow; i <= pEndRow; i++) { sourceRow = sourceSheet.getRow(i); if (sourceRow != null) { int firstC = sourceRow.getFirstCellNum(); for (j = sourceRow.getLastCellNum(); j > firstC; j--) { targetSheet .setColumnWidth(j, sourceSheet.getColumnWidth(j)); targetSheet.setColumnHidden(j, false); } break; } } //填充数据 for (; i <= pEndRow; i++) { sourceRow = sourceSheet.getRow(i); if (sourceRow == null) { continue; } targetRow = targetSheet.createRow(i - pStartRow + pPosition); targetRow.setHeight(sourceRow.getHeight()); int psy = sourceRow.getPhysicalNumberOfCells(); for (j = sourceRow.getFirstCellNum(); j < psy; j++) { sourceCell = sourceRow.getCell(j); if (sourceCell == null) { continue; } targetCell = targetRow.createCell(j); targetCell.setCellStyle(sourceCell.getCellStyle()); cType = sourceCell.getCellType(); targetCell.setCellType(cType); switch (cType) { case HSSFCell.CELL_TYPE_BOOLEAN: targetCell.setCellValue(sourceCell.getBooleanCellValue()); break; case HSSFCell.CELL_TYPE_ERROR: targetCell .setCellErrorValue(sourceCell.getErrorCellValue()); break; case HSSFCell.CELL_TYPE_FORMULA: targetCell.setCellFormula(parseFormula(sourceCell .getCellFormula())); break; case HSSFCell.CELL_TYPE_NUMERIC: targetCell.setCellValue(sourceCell.getNumericCellValue()); break; case HSSFCell.CELL_TYPE_STRING: targetCell .setCellValue(sourceCell.getRichStringCellValue()); break; } } } } private static String parseFormula(String pPOIFormula) { final String cstReplaceString = "ATTR(semiVolatile)"; //$NON-NLS-1$ StringBuffer result = null; int index; result = new StringBuffer(); index = pPOIFormula.indexOf(cstReplaceString); if (index >= 0) { result.append(pPOIFormula.substring(0, index)); result.append(pPOIFormula.substring(index + cstReplaceString.length())); } else { result.append(pPOIFormula); } return result.toString(); }} 转载地址：http://zhxei.baihongyu.com/