Java利用iTextPDF库实现制作PDF表格模板并填充数据

<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>itextpdf</artifactId>
    <version>5.5.11</version>
</dependency>

import com.google.common.collect.Lists;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.*;

import java.io.File;
import java.io.FileOutputStream;
import java.util.List;

public class ITextPDFExample {

    public static void main(String[] args) {
        // 保存的pdf全路径
        String outPdfPath = "/path/out.pdf";
        // pdf中表格需要填充的数据
        List<List<String>> data = Lists.newArrayList();
        data.add(Lists.newArrayList("列1值", "列2值", "列3值", "列4值", "列5值"));
        //创建文件
        Document document = new Document(PageSize.A4);
        File file = new File(outPdfPath);
        try {
            PdfWriter.getInstance(document, new FileOutputStream(file));
            //打开文件
            document.open();
            //BaseFont-确认支持中文
            String fontPath = "/path/to/your/chinese/font.ttf";
            // 创建BaseFont对象，指定字体路径和编码
            BaseFont bfChinese = BaseFont.createFont(fontPath, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);

            Font fontChineseTitle = new Font(bfChinese, 12, Font.NORMAL);
            String contentTitle = "标题";
            Paragraph paragraphTitle = new Paragraph(contentTitle, fontChineseTitle);
            paragraphTitle.setAlignment(Element.ALIGN_CENTER);
            document.add(paragraphTitle);

            Paragraph blankRow1 = new Paragraph(18f, " ", fontChineseTitle);
            document.add(blankRow1);

            Font fontChineseParagraph = new Font(bfChinese, 12, Font.NORMAL);

            String contentParagraph2 = "文本内容1";
            Paragraph paragraph2 = new Paragraph(contentParagraph2, fontChineseParagraph);
            paragraph2.setFirstLineIndent(28);
            document.add(paragraph2);

            paragraphTitle.setSpacingAfter(100);
            paragraphTitle.setSpacingBefore(100);


            Paragraph blankRow2 = new Paragraph(18f, " ", fontChineseParagraph);
            document.add(blankRow2);

            Font fontChineseTable = new Font(bfChinese, 12, Font.NORMAL);

            PdfPTable table = new PdfPTable(5);

            List<PdfPRow> listRow = table.getRows();
            //设置列宽
            float[] columnWidths = {10, 27, 24, 16, 23};
            table.setWidths(columnWidths);

            //行1
            PdfPCell[] cells1 = new PdfPCell[5];
            PdfPRow row1 = new PdfPRow(cells1);

            //单元格
            cells1[0] = new PdfPCell(new Paragraph("列1", fontChineseTable));
            cells1[0].setBorderColor(BaseColor.BLACK);
            cells1[0].setVerticalAlignment(Element.ALIGN_MIDDLE);

            cells1[1] = new PdfPCell(new Paragraph("列2", fontChineseTable));
            cells1[1].setBorderColor(BaseColor.BLACK);
            cells1[1].setVerticalAlignment(Element.ALIGN_MIDDLE);

            cells1[2] = new PdfPCell(new Paragraph("列3", fontChineseTable));
            cells1[2].setBorderColor(BaseColor.BLACK);
            cells1[2].setVerticalAlignment(Element.ALIGN_MIDDLE);

            cells1[3] = new PdfPCell(new Paragraph("列4", fontChineseTable));
            cells1[3].setBorderColor(BaseColor.BLACK);
            cells1[3].setVerticalAlignment(Element.ALIGN_MIDDLE);

            cells1[4] = new PdfPCell(new Paragraph("列5", fontChineseTable));
            cells1[4].setBorderColor(BaseColor.BLACK);
            cells1[4].setVerticalAlignment(Element.ALIGN_MIDDLE);

            //把第一行添加到集合
            listRow.add(row1);

            for (int i = 0; i < data.size(); i++) {
                PdfPCell[] cellsi = new PdfPCell[5];
                PdfPRow rowi = new PdfPRow(cellsi);
                cellsi[0] = new PdfPCell(new Paragraph(data.get(i).get(0), fontChineseParagraph));
                cellsi[0].setBorderColor(BaseColor.BLACK);
                cellsi[0].setVerticalAlignment(Element.ALIGN_MIDDLE);

                cellsi[1] = new PdfPCell(new Paragraph(data.get(i).get(1), fontChineseParagraph));
                cellsi[1].setBorderColor(BaseColor.BLACK);
                cellsi[1].setVerticalAlignment(Element.ALIGN_MIDDLE);
                cellsi[2] = new PdfPCell(new Paragraph(data.get(i).get(2), fontChineseParagraph));
                cells1[2].setBorderColor(BaseColor.BLACK);
                cells1[2].setVerticalAlignment(Element.ALIGN_MIDDLE);

                cellsi[3] = new PdfPCell(new Paragraph(data.get(i).get(3), fontChineseParagraph));
                cellsi[3].setBorderColor(BaseColor.BLACK);
                cellsi[3].setVerticalAlignment(Element.ALIGN_MIDDLE);

                cellsi[4] = new PdfPCell(new Paragraph(data.get(i).get(4), fontChineseParagraph));
                cellsi[4].setBorderColor(BaseColor.BLACK);
                cellsi[4].setVerticalAlignment(Element.ALIGN_MIDDLE);

                listRow.add(rowi);
            }

            //把表格添加到文件中
            document.add(table);


            Paragraph blankRow3 = new Paragraph(18f, " ", fontChineseParagraph);
            document.add(blankRow3);

            String contentParagraph4 = "文本内容2";
            Paragraph paragraph4 = new Paragraph(contentParagraph4, fontChineseParagraph);
            paragraph4.setAlignment(Element.ALIGN_RIGHT);
            document.add(paragraph4);

            String contentParagraph5 = "文本内容3";
            ;
            Paragraph paragraph5 = new Paragraph(contentParagraph5, fontChineseParagraph);
            paragraph5.setAlignment(Element.ALIGN_RIGHT);
            document.add(paragraph5);
            //关闭文档
            document.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}