使用Java实现在PDF插入页眉页脚

import com.spire.pdf.PdfDocument;
import com.spire.pdf.PdfPageBase;
import com.spire.pdf.graphics.*;
 
import java.awt.*;
 
public class PDFHeader {
 
    public static void main(String[] args) {
 
        //加载PDF文档
        PdfDocument pdf = new PdfDocument();
        pdf.loadFromFile("考核.pdf");
 
        //加载图片
        PdfImage headerImage = PdfImage.fromFile("logo.jpg");
 
        //获取图片宽度
        float width = headerImage.getWidth();
        PdfUnitConvertor unitCvtr = new PdfUnitConvertor();
        float pointWidth = unitCvtr.convertUnits(width, PdfGraphicsUnit.Pixel, PdfGraphicsUnit.Point);
 
        //指定页眉文本
        String headerText = "年度绩效考核\nAAA有限责任公司";
 
        //创建字体
        PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("宋体", Font.BOLD, 12),true);
 
        //创建画笔
        PdfBrush brush = PdfBrushes.getRed();
        PdfPen pen = new PdfPen(PdfBrushes.getBlack(), 1.0f);
 
        //遍历所有PDF页面
        for (int i = 0; i < pdf.getPages().getCount(); i++)
        {
            //获取指定页面
            PdfPageBase page = pdf.getPages().get(i);
 
            //在顶部空白区域绘制图像
            page.getCanvas().drawImage(headerImage, page.getActualSize().getWidth() - pointWidth - 55, 20);
 
            //在顶部空白区域绘制文本
            page.getCanvas().drawString(headerText, font, brush, 55, 30);
 
            //在顶部空白区域绘制一条线
            page.getCanvas().drawLine(pen, new Point(55, 70), new Point((int)page.getActualSize().getWidth() - 55, 70));
 
        }
 
        //保存生成PDF文件
        pdf.saveToFile("PDF页眉.pdf");
        pdf.dispose();
    }
}

import com.spire.pdf.PdfDocument;
import com.spire.pdf.PdfPageBase;
import com.spire.pdf.automaticfields.PdfCompositeField;
import com.spire.pdf.automaticfields.PdfPageCountField;
import com.spire.pdf.automaticfields.PdfPageNumberField;
import com.spire.pdf.graphics.*;
 
import java.awt.*;
import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
 
public class PDFFooter {
 
    public static void main(String[] args) {
 
        //加载PDF文档
        PdfDocument pdf = new PdfDocument();
        pdf.loadFromFile("考核.pdf");
 
        //创建字体
        PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("宋体", Font.BOLD, 12),true);
 
        //创建画笔
        PdfBrush brush = PdfBrushes.getBlack();
        PdfPen pen = new PdfPen(PdfBrushes.getBlack(), 1.0f);
 
        //创建页码字段
        PdfPageNumberField pageNumberField = new PdfPageNumberField();
 
        //创建页数字段
        PdfPageCountField pageCountField = new PdfPageCountField();
 
        //创建一个复合字段，将页数字段和页码字段合并为一个字符串
        PdfCompositeField compositeField = new PdfCompositeField(font, brush, "第{0}页/共{1}页", pageNumberField, pageCountField);
 
        //获取文本尺寸
        Dimension2D fontSize = font.measureString(compositeField.getText());
 
        //获取页面尺寸
        Dimension2D pageSize = pdf.getPages().get(0).getSize();
 
        //设置复合字段的位置
        compositeField.setLocation(new Point2D.Double((pageSize.getWidth() - fontSize.getWidth())/2,  pageSize.getHeight() - 45));
 
        //遍历PDF页面
        for (int i = 0; i < pdf.getPages().getCount(); i++)
        {
            //获取指定页
            PdfPageBase page = pdf.getPages().get(i);
 
            //在底部空白区域绘制一条线
            page.getCanvas().drawLine(pen, new Point(72, (int) (pageSize.getHeight() - 60)), new Point((int)pageSize.getWidth() - 72, (int) pageSize.getHeight()- 60));
 
            //在底部空白区域绘制复合字段
            compositeField.draw(page.getCanvas());
        }
 
        //保存生成PDF文件
        pdf.saveToFile("PDF页脚.pdf");
        pdf.dispose();
    }
}