Java使用PDFBox绘制中文表格

最新推荐文章于 2025-05-28 14:21:51 发布

原创最新推荐文章于 2025-05-28 14:21:51 发布 · 3.8k 阅读

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该博客演示了如何使用Apache PDFBox库在PDF文件中绘制表格。代码示例展示了如何设置字体、行列、单元格间距，并填充文本内容。

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import java.io.File;
import java.io.IOException;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDType0Font;

import org.apache.pdfbox.pdmodel.font.PDType1Font;

public class pdfbox_tables {

    /**
     * @param page
     * @param contentStream
     * @param y the y-coordinate of the first row
     * @param margin the padding on left and right of table
     * @param content a 2d array containing the table data
     * @throws IOException
     */
    public static void drawTable(PDDocument doc, PDPage page, PDPageContentStream contentStream,
            float y, float margin,
            String[][] content) throws IOException {
        final int rows = content.length;
        final int cols = content[0].length;
        final float rowHeight = 20f;
        final float tableWidth = page.getMediaBox().getWidth() - (2 * margin);
        final float tableHeight = rowHeight * rows;
        final float colWidth = tableWidth / (float) cols;
        final float cellMargin = 5f;

        //draw the rows
        float nexty = y;
        for (int i = 0; i <= rows; i++) {
            contentStream.drawLine(margin, nexty, margin + tableWidth, nexty);
            nexty -= rowHeight;
        }

        //draw the columns
        float nextx = margin;
        for (int i = 0; i <= cols; i++) {
            contentStream.drawLine(nextx, y, nextx, y - tableHeight);
            nextx += colWidth;
        }

        //now add the text
        //contentStream.setFont(PDType1Font.HELVETICA_BOLD, 12);
        contentStream.setFont(PDType0Font.load(doc, new File("C:\\Windows\\Fonts\\simfang.TTF")), 12);
        float textx = margin + cellMargin;
        float texty = y - 15;
        for (int i = 0; i < content.length; i++) {
            for (int j = 0; j < content[i].length; j++) {
                String text = content[i][j];
                contentStream.beginText();
                contentStream.moveTextPositionByAmount(textx, texty);
                contentStream.drawString(text);
                contentStream.endText();
                textx += colWidth;
            }
            texty -= rowHeight;
            textx = margin + cellMargin;
        }
    }

    public static void main(String[] args) throws IOException {
        PDDocument doc = new PDDocument();
        PDPage page = new PDPage();
        doc.addPage(page);

        PDPageContentStream contentStream
                = new PDPageContentStream(doc, page);

        String[][] content = {{"a", "b", "1"},
        {"c中", "d", "2"},
        {"e", "f文", "3"},
        {"g", "h", "4的"},
        {"i", "j", "5测试"}};

        drawTable(doc, page, contentStream, 700, 100, content);
        contentStream.close();
        doc.save("F:/test_table.pdf");
    }
}