Java使用Apache POI实现Word文档内容复制并保持格式

package word;

import org.apache.poi.openxml4j.opc.OPCPackage; import org.apache.poi.xwpf.usermodel.*;

import java.io.FileInputStream; import java.io.FileOutputStream;

public class Word { public static void main(String[] args) { try { // 打开input01.docx文件 FileInputStream fis = new FileInputStream('08-00计算公式(第1版）.docx'); XWPFDocument doc1 = new XWPFDocument(OPCPackage.open(fis));

        // 打开input03.docx文件
        FileInputStream fis2 = new FileInputStream('input03.docx');
        XWPFDocument doc2 = new XWPFDocument(OPCPackage.open(fis2));

        // 获取'应变计'书签位置的段落
        XWPFParagraph bookmarkParagraph = doc2.getParagraphs().stream()
                .filter(p -> p.getCTP().getBookmarkStartList().stream()
                        .anyMatch(b -> b.getName().equals('应变计')))
                .findFirst().orElse(null);

        if (bookmarkParagraph != null) {
            // 清空'应变计'书签位置的段落内容
            for (int i = bookmarkParagraph.getRuns().size() - 1; i >= 0; i--) {
                bookmarkParagraph.removeRun(i);
            }

            // 复制input01.docx文件的内容到'应变计'书签位置的段落
            for (XWPFParagraph paragraph : doc1.getParagraphs()) {
                XWPFParagraph newParagraph = doc2.createParagraph();
                newParagraph.getCTP().setPPr(paragraph.getCTP().getPPr());
                newParagraph.setAlignment(paragraph.getAlignment());
                newParagraph.setSpacingAfter(paragraph.getSpacingAfter());
                newParagraph.setSpacingBefore(paragraph.getSpacingBefore());
                newParagraph.setIndentationFirstLine(paragraph.getIndentationFirstLine());
                newParagraph.setIndentationHanging(paragraph.getIndentationHanging());
                newParagraph.setIndentationLeft(paragraph.getIndentationLeft());
                newParagraph.setIndentationRight(paragraph.getIndentationRight());
                for (XWPFRun run : paragraph.getRuns()) {
                    XWPFRun newRun = newParagraph.createRun();
                    newRun.getCTR().setRPr(run.getCTR().getRPr());
                    newRun.setText(run.getText(0));
                    newRun.setBold(run.isBold());
                    newRun.setItalic(run.isItalic());
                    newRun.setUnderline(run.getUnderline());
                    newRun.setFontFamily(run.getFontFamily());
                    newRun.setFontSize(run.getFontSize());
                    newRun.setColor(run.getColor());
                    newRun.setTextPosition(run.getTextPosition());
                    newRun.setVerticalAlignment(run.getVerticalAlignment());
                }
            }

            // 复制input01.docx文件的表格到'应变计'书签位置的段落
            for (XWPFTable table : doc1.getTables()) {
                XWPFTable newTable = doc2.createTable();
                newTable.getCTTbl().setTblPr(table.getCTTbl().getTblPr());
                newTable.setWidth(table.getWidth());
                newTable.setCellMargins(table.getCellMarginTop(), table.getCellMarginLeft(),
                        table.getCellMarginBottom(), table.getCellMarginRight());
                newTable.setInsideHBorder(table.getInsideHBorderType(), table.getInsideHBorderSize(),
                        table.getInsideHBorderColor());
                newTable.setInsideVBorder(table.getInsideVBorderType(), table.getInsideVBorderSize(),
                        table.getInsideVBorderColor());
                newTable.setRowBandSize(table.getRowBandSize());
                newTable.setColBandSize(table.getColBandSize());
                for (XWPFTableRow row : table.getRows()) {
                    XWPFTableRow newRow = newTable.createRow();
                    newRow.getCtRow().setTrPr(row.getCtRow().getTrPr());
                    newRow.setHeight(row.getHeight());
                    newRow.setHeightRule(row.getHeightRule());
                    for (XWPFTableCell cell : row.getTableCells()) {
                        XWPFTableCell newCell = newRow.createCell();
                        newCell.getCTTc().setTcPr(cell.getCTTc().getTcPr());
                        newCell.setWidth(cell.getWidth());
                        newCell.setVerticalAlignment(cell.getVerticalAlignment());
                        newCell.setColor(cell.getColor());
                        newCell.setVerticalMerge(cell.getVerticalMerge());
                        newCell.setTextDirection(cell.getTextDirection());
                        newCell.setMarginTop(cell.getMarginTop());
                        newCell.setMarginLeft(cell.getMarginLeft());
                        newCell.setMarginBottom(cell.getMarginBottom());
                        newCell.setMarginRight(cell.getMarginRight());
                        for (XWPFParagraph paragraph : cell.getParagraphs()) {
                            XWPFParagraph newParagraph = newCell.addParagraph();
                            newParagraph.getCTP().setPPr(paragraph.getCTP().getPPr());
                            newParagraph.setAlignment(paragraph.getAlignment());
                            newParagraph.setSpacingAfter(paragraph.getSpacingAfter());
                            newParagraph.setSpacingBefore(paragraph.getSpacingBefore());
                            newParagraph.setIndentationFirstLine(paragraph.getIndentationFirstLine());
                            newParagraph.setIndentationHanging(paragraph.getIndentationHanging());
                            newParagraph.setIndentationLeft(paragraph.getIndentationLeft());
                            newParagraph.setIndentationRight(paragraph.getIndentationRight());
                            for (XWPFRun run : paragraph.getRuns()) {
                                XWPFRun newRun = newParagraph.createRun();
                                newRun.getCTR().setRPr(run.getCTR().getRPr());
                                newRun.setText(run.getText(0));
                                newRun.setBold(run.isBold());
                                newRun.setItalic(run.isItalic());
                                newRun.setUnderline(run.getUnderline());
                                newRun.setFontFamily(run.getFontFamily());
                                newRun.setFontSize(run.getFontSize());
                                newRun.setColor(run.getColor());
                                newRun.setTextPosition(run.getTextPosition());
                                newRun.setVerticalAlignment(run.getVerticalAlignment());
                            }
                        }
                    }
                }
            }
        }

        // 保存修改后的input03.docx文件
        FileOutputStream fos = new FileOutputStream('input03.docx');
        doc2.write(fos);

        // 关闭所有打开的文件流
        fis.close();
        fis2.close();
        fos.close();

        System.out.println('内容复制完成！');
    } catch (Exception e) {
        e.printStackTrace();
    }
}

}