POI Excel复制行（支持复制样式、合并单元格、形状）
2024-05-19 18:32:39
目录
1 Maven依赖
2 实现代码
3 调试代码
4 模板内容
5 调试结果
注：
1 Maven依赖
<!-- easyExcel Excel文档处理工具 --><dependency><groupId>com.alibaba</groupId><artifactId>easyexcel</artifactId><version>2.2.8</version></dependency><!-- hutool工具包 --><dependency><groupId>cn.hutool</groupId><artifactId>hutool-all</artifactId><version>5.5.7</version></dependency>2 实现代码
/*** 行复制(多行)** @param workbook 文档对象* @param sheet sheet对象* @param fromRowIndex* @param toRowIndex* @param copyRowNum 复制行数*/public static void copyRow(Workbook workbook, Sheet sheet, int fromRowIndex, int toRowIndex, int copyRowNum, boolean insertFlag, Integer colNum) {for (int i = 0; i < copyRowNum; i++) {Row fromRow = sheet.getRow(fromRowIndex + i);Row toRow = sheet.getRow(toRowIndex + i);if (insertFlag) {//复制行超出原有sheet页的最大行数时，不需要移动直接插入if (toRowIndex + i <= sheet.getLastRowNum()) {//先移动要插入的行号所在行及之后的行sheet.shiftRows(toRowIndex + i, sheet.getLastRowNum(), 1, true, false);}//然后再插入行toRow = sheet.createRow(toRowIndex + i);//设置行高toRow.setHeight(fromRow.getHeight());}for (int colIndex = 0; colIndex < (colNum != null ? colNum : fromRow.getLastCellNum()); colIndex++) {Cell tmpCell = fromRow.getCell(colIndex);if (tmpCell == null) {tmpCell = fromRow.createCell(colIndex);if (colIndex != 0) {copyCell(workbook, fromRow.createCell(colIndex - 1), tmpCell);}}Cell newCell = toRow.createCell(colIndex);copyCell(workbook, tmpCell, newCell);}}//获取合并单元格List<CellRangeAddress> cellRangeAddressList = sheet.getMergedRegions();Map<Integer, List<CellRangeAddress>> rowCellRangeAddressMap = CollUtil.isNotEmpty(cellRangeAddressList) ? cellRangeAddressList.stream().collect(Collectors.groupingBy(x ->x.getFirstRow())) : new HashMap<>();//获取形状（线条）XSSFDrawing drawing = (XSSFDrawing) sheet.getDrawingPatriarch();List<XSSFShape> shapeList = new ArrayList<>();Map<Integer, List<XSSFShape>> rowShapeMap = new HashMap<>();if (drawing != null) {shapeList = drawing.getShapes();rowShapeMap = shapeList.stream().filter(x -> x.getAnchor() != null).collect(Collectors.groupingBy(x -> ((XSSFClientAnchor) x.getAnchor()).getRow1()));}List<XSSFShape> insertShapeList = new ArrayList<>();for (int i = 0; i < copyRowNum; i++) {Row toRow = sheet.getRow(toRowIndex + i);//复制合并单元格List<CellRangeAddress> rowCellRangeAddressList = rowCellRangeAddressMap.get(fromRowIndex + i);if (CollUtil.isNotEmpty(rowCellRangeAddressList)) {for (CellRangeAddress cellRangeAddress : rowCellRangeAddressList) {CellRangeAddress newCellRangeAddress = new CellRangeAddress(toRow.getRowNum(), (toRow.getRowNum() +(cellRangeAddress.getLastRow() - cellRangeAddress.getFirstRow())), cellRangeAddress.getFirstColumn(), cellRangeAddress.getLastColumn());sheet.addMergedRegionUnsafe(newCellRangeAddress);}}//复制形状（线条）List<XSSFShape> rowShapeList = rowShapeMap.get(fromRowIndex + i);if (CollUtil.isNotEmpty(rowShapeList)) {for (XSSFShape shape : rowShapeList) {//复制描点XSSFClientAnchor fromAnchor = (XSSFClientAnchor) shape.getAnchor();XSSFClientAnchor toAnchor = new XSSFClientAnchor();toAnchor.setDx1(fromAnchor.getDx1());toAnchor.setDx2(fromAnchor.getDx2());toAnchor.setDy1(fromAnchor.getDy1());toAnchor.setDy2(fromAnchor.getDy2());toAnchor.setRow1(toRow.getRowNum());toAnchor.setRow2(toRow.getRowNum() + fromAnchor.getRow2() - fromAnchor.getRow1());toAnchor.setCol1(fromAnchor.getCol1());toAnchor.setCol2(fromAnchor.getCol2());//复制形状if (shape instanceof XSSFConnector) {copyXSSFConnector((XSSFConnector) shape, drawing, toAnchor);} else if (shape instanceof XSSFSimpleShape) {copyXSSFSimpleShape((XSSFSimpleShape) shape, drawing, toAnchor);}}}}}/*** 复制XSSFSimpleShape类** @param fromShape* @param drawing* @param anchor* @return*/public static XSSFSimpleShape copyXSSFSimpleShape(XSSFSimpleShape fromShape, XSSFDrawing drawing, XSSFClientAnchor anchor) {XSSFSimpleShape toShape = drawing.createSimpleShape(anchor);CTShape ctShape = fromShape.getCTShape();CTShapeProperties ctShapeProperties = ctShape.getSpPr();CTLineProperties lineProperties = ctShapeProperties.isSetLn() ? ctShapeProperties.getLn() : ctShapeProperties.addNewLn();CTPresetLineDashProperties dashStyle = lineProperties.isSetPrstDash() ? lineProperties.getPrstDash() : CTPresetLineDashProperties.Factory.newInstance();STPresetLineDashVal.Enum dashStyleEnum = dashStyle.isSetVal() ? dashStyle.getVal() : STPresetLineDashVal.Enum.forInt(1);CTSolidColorFillProperties fill = lineProperties.isSetSolidFill() ? lineProperties.getSolidFill() : lineProperties.addNewSolidFill();CTSRgbColor rgb = fill.isSetSrgbClr() ? fill.getSrgbClr() : CTSRgbColor.Factory.newInstance();// 设置形状类型toShape.setShapeType(fromShape.getShapeType());// 设置线宽toShape.setLineWidth(lineProperties.getW() * 1.0 / Units.EMU_PER_POINT);// 设置线的风格toShape.setLineStyle(dashStyleEnum.intValue() - 1);// 设置线的颜色byte[] rgbBytes = rgb.getVal();if (rgbBytes == null) {toShape.setLineStyleColor(0, 0, 0);} else {toShape.setLineStyleColor(rgbBytes[0], rgbBytes[1], rgbBytes[2]);}return toShape;}/*** 复制XSSFConnector类** @param fromShape* @param drawing* @param anchor* @return*/public static XSSFConnector copyXSSFConnector(XSSFConnector fromShape, XSSFDrawing drawing, XSSFClientAnchor anchor) {XSSFConnector toShape = drawing.createConnector(anchor);CTConnector ctConnector = fromShape.getCTConnector();CTShapeProperties ctShapeProperties = ctConnector.getSpPr();CTLineProperties lineProperties = ctShapeProperties.isSetLn() ? ctShapeProperties.getLn() : ctShapeProperties.addNewLn();CTPresetLineDashProperties dashStyle = lineProperties.isSetPrstDash() ? lineProperties.getPrstDash() : CTPresetLineDashProperties.Factory.newInstance();STPresetLineDashVal.Enum dashStyleEnum = dashStyle.isSetVal() ? dashStyle.getVal() : STPresetLineDashVal.Enum.forInt(1);CTSolidColorFillProperties fill = lineProperties.isSetSolidFill() ? lineProperties.getSolidFill() : lineProperties.addNewSolidFill();CTSRgbColor rgb = fill.isSetSrgbClr() ? fill.getSrgbClr() : CTSRgbColor.Factory.newInstance();// 设置形状类型toShape.setShapeType(fromShape.getShapeType());// 设置线宽toShape.setLineWidth(lineProperties.getW() * 1.0 / Units.EMU_PER_POINT);// 设置线的风格toShape.setLineStyle(dashStyleEnum.intValue() - 1);// 设置线的颜色byte[] rgbBytes = rgb.getVal();if (rgbBytes == null) {toShape.setLineStyleColor(0, 0, 0);} else {toShape.setLineStyleColor(rgbBytes[0], rgbBytes[1], rgbBytes[2]);}return toShape;}/*** 复制单元格** @param srcCell* @param distCell*/public static void copyCell(Workbook workbook, Cell srcCell, Cell distCell) {CellStyle newStyle = workbook.createCellStyle();copyCellStyle(srcCell.getCellStyle(), newStyle, workbook);//样式distCell.setCellStyle(newStyle);//设置内容CellType srcCellType = srcCell.getCellTypeEnum();distCell.setCellType(srcCellType);if (srcCellType == NUMERIC) {if (DateUtil.isCellDateFormatted(srcCell)) {distCell.setCellValue(srcCell.getDateCellValue());} else {distCell.setCellValue(srcCell.getNumericCellValue());}} else if (srcCellType == CellType.STRING) {distCell.setCellValue(srcCell.getRichStringCellValue());} else if (srcCellType == CellType.BOOLEAN) {distCell.setCellValue(srcCell.getBooleanCellValue());} else if (srcCellType == CellType.ERROR) {distCell.setCellErrorValue(srcCell.getErrorCellValue());} else if (srcCellType == CellType.FORMULA) {distCell.setCellFormula(srcCell.getCellFormula());} else {}}/*** 复制一个单元格样式到目的单元格样式** @param fromStyle* @param toStyle*/public static void copyCellStyle(CellStyle fromStyle, CellStyle toStyle, Workbook workbook) {//水平垂直对齐方式toStyle.setAlignment(fromStyle.getAlignmentEnum());toStyle.setVerticalAlignment(fromStyle.getVerticalAlignmentEnum());//边框和边框颜色toStyle.setBorderBottom(fromStyle.getBorderBottomEnum());toStyle.setBorderLeft(fromStyle.getBorderLeftEnum());toStyle.setBorderRight(fromStyle.getBorderRightEnum());toStyle.setBorderTop(fromStyle.getBorderTopEnum());toStyle.setTopBorderColor(fromStyle.getTopBorderColor());toStyle.setBottomBorderColor(fromStyle.getBottomBorderColor());toStyle.setRightBorderColor(fromStyle.getRightBorderColor());toStyle.setLeftBorderColor(fromStyle.getLeftBorderColor());//背景和前景if (fromStyle instanceof XSSFCellStyle) {XSSFCellStyle xssfToStyle = (XSSFCellStyle) toStyle;xssfToStyle.setFillBackgroundColor(((XSSFCellStyle) fromStyle).getFillBackgroundColorColor());xssfToStyle.setFillForegroundColor(((XSSFCellStyle) fromStyle).getFillForegroundColorColor());} else {toStyle.setFillBackgroundColor(fromStyle.getFillBackgroundColor());toStyle.setFillForegroundColor(fromStyle.getFillForegroundColor());}toStyle.setDataFormat(fromStyle.getDataFormat());toStyle.setFillPattern(fromStyle.getFillPatternEnum());if (fromStyle instanceof XSSFCellStyle) {toStyle.setFont(((XSSFCellStyle) fromStyle).getFont());} else if (fromStyle instanceof HSSFCellStyle) {toStyle.setFont(((HSSFCellStyle) fromStyle).getFont(workbook));}toStyle.setHidden(fromStyle.getHidden());//首行缩进toStyle.setIndention(fromStyle.getIndention());toStyle.setLocked(fromStyle.getLocked());//旋转toStyle.setRotation(fromStyle.getRotation());toStyle.setWrapText(fromStyle.getWrapText());}3 调试代码
/*** 测试复制行（样式、合并单元格、形状）*/@Testpublic void testCopyRow() {try {//读文件ClassPathResource classPathResource = new ClassPathResource("/doc/excel/copyRowTemplate.xlsx");XSSFWorkbook workbook = new XSSFWorkbook(classPathResource.getFile());Sheet sheet = workbook.getSheetAt(0);File file = new File("D:/easyexcel/testCopyRow.xlsx");FileUtil.createNewFile(file);//复制前两行POIExcelUtil.copyRow(workbook,sheet,0,2,2,true,null);workbook.write(new FileOutputStream(file));} catch (Exception e) {e.printStackTrace();}}4 模板内容
5 调试结果
注：
（1） 支持复制文本内容、单元格样式、合并单元格、形状信息。复制形状只支持形状类型的复制，不支持线条类型、宽度、颜色的复制。
（2）源码请查看Gitee。
xudongbase: 主要是项目中可以用到的共通方法
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