Apache POI - 如何将表从一个docx复制到另一个docx

Question

您好我正在尝试将一个表格从docx文件复制到另一个，但是会发生的情况是该表格的值会在新文档中的表格下方及其外部复制下来（参见下面的图片）

原始docx中的表格

Talbe在新docx中

正如您所看到的，表的值被复制到表外。 我正在使用Libre Office，apache poi 3.17版和我的电脑运行Ubuntu 16.04

我用来执行复制的代码如下

public static void copyTable(XWPFDocument input_doc,XWPFDocument output_doc,
                             int table_index_input, int table_index_output) {

    XWPFTable template_table = input_doc.getTables().get(table_index_input);

    CTTbl ctTbl = CTTbl.Factory.newInstance(); // Create a new CTTbl for the new table
    ctTbl.set(template_table.getCTTbl()); // Copy the template table's CTTbl
    XWPFTable new_table = new XWPFTable(ctTbl, output_doc); // Create a new table using the CTTbl upon

    output_doc.createParagraph();
    output_doc.createTable();// Create a empty table in the document
    output_doc.setTable(table_index_output, new_table);  // Replace the empty table to table2

}

Answer 1

XWPFTable newTbl = output_doc.insertNewTbl(cursor);
copyTable(table, newTbl);

和copyTable（）方法

private void copyTable(XWPFTable source, XWPFTable target) {
    target.getCTTbl().setTblPr(source.getCTTbl().getTblPr());
    target.getCTTbl().setTblGrid(source.getCTTbl().getTblGrid());
    for (int r = 0; r<source.getRows().size(); r++) {
        XWPFTableRow targetRow = target.createRow();
        XWPFTableRow row = source.getRows().get(r);
        targetRow.getCtRow().setTrPr(row.getCtRow().getTrPr());
        for (int c=0; c<row.getTableCells().size(); c++) {
            //newly created row has 1 cell
            XWPFTableCell targetCell = c==0 ? targetRow.getTableCells().get(0) : targetRow.createCell();
            XWPFTableCell cell = row.getTableCells().get(c);
            targetCell.getCTTc().setTcPr(cell.getCTTc().getTcPr());
            XmlCursor cursor = targetCell.getParagraphArray(0).getCTP().newCursor();
            for (int p = 0; p < cell.getBodyElements().size(); p++) {
                IBodyElement elem = cell.getBodyElements().get(p);
                if (elem instanceof XWPFParagraph) {
                    XWPFParagraph targetPar = targetCell.insertNewParagraph(cursor);
                    cursor.toNextToken();
                    XWPFParagraph par = (XWPFParagraph) elem;
                    copyParagraph(par, targetPar);
                } else if (elem instanceof XWPFTable) {
                    XWPFTable targetTable = targetCell.insertNewTbl(cursor);
                    XWPFTable table = (XWPFTable) elem;
                    copyTable(table, targetTable);
                    cursor.toNextToken();
                }
            }
            //newly created cell has one default paragraph we need to remove
            targetCell.removeParagraph(targetCell.getParagraphs().size()-1);
        }
    }
    //newly created table has one row by default. we need to remove the default row.
    target.removeRow(0);
}

copyParagraph（）

private void copyParagraph(XWPFParagraph source, XWPFParagraph target) {
    target.getCTP().setPPr(source.getCTP().getPPr());
    for (int i=0; i<source.getRuns().size(); i++ ) {
        XWPFRun run = source.getRuns().get(i);
        XWPFRun targetRun = target.createRun();
        //copy formatting
        targetRun.getCTR().setRPr(run.getCTR().getRPr());
        //no images just copy text
        targetRun.setText(run.getText(0));
    }
}