POI Excel复制行（支持复制样式、合并单元格、形状）

秒速五厘米 2023-09-30 11:08 12阅读 0赞

**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 ##

<dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>easyexcel</artifactId>
                <version>2.2.8</version>
            </dependency>
            
            <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）
         */
        @Test
        public 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 ##

![watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA5pet5Lic5oCq_size_14_color_FFFFFF_t_70_g_se_x_16][]

## 5 调试结果 ##

## ![watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA5pet5Lic5oCq_size_15_color_FFFFFF_t_70_g_se_x_16][] ##

## 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![favicon-9007bd527d8a7851c8330e783151df58.ico][]https://gitee.com/xudong\_master/xudongbase][xudongbase_ _favicon-9007bd527d8a7851c8330e783151df58.ico_https_gitee.com_xudong_master_xudongbase]

[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA5pet5Lic5oCq_size_14_color_FFFFFF_t_70_g_se_x_16]: https://img-blog.csdnimg.cn/3722bcfcfab5493abbb45f2d19a98461.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBA5pet5Lic5oCq,size_14,color_FFFFFF,t_70,g_se,x_16
[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA5pet5Lic5oCq_size_15_color_FFFFFF_t_70_g_se_x_16]: https://img-blog.csdnimg.cn/e123d6a58c8b4f59a870542c07dadcab.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBA5pet5Lic5oCq,size_15,color_FFFFFF,t_70,g_se,x_16
[favicon-9007bd527d8a7851c8330e783151df58.ico]: https://assets.gitee.com/assets/favicon-9007bd527d8a7851c8330e783151df58.ico
[xudongbase_ _favicon-9007bd527d8a7851c8330e783151df58.ico_https_gitee.com_xudong_master_xudongbase]: https://gitee.com/xudong_master/xudongbase