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package com.zbooksoft.gdmis.common;
 
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import org.apache.poi.xwpf.usermodel.ParagraphAlignment;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
 
import java.io.FileOutputStream;
import java.io.IOException;
 
/**
 * @Description:
 * @Author: zhai
 * @Date: 2025/9/29
 **/
public class PdfUtil {
    public static void addBlankPageAtBeginning(String sourcePath, String targetPath, String name) throws IOException {
        // 读取源PDF文档
        PdfReader reader = new PdfReader(sourcePath);
        PdfWriter writer = new PdfWriter(targetPath);
        PdfDocument pdfDoc = new PdfDocument(reader, writer);
        try {
            // 创建新的空白页并插入到第一页前
            PdfPage newPage = pdfDoc.addNewPage(1);
            // 在新页面上添加内容
            PdfCanvas canvas = new PdfCanvas(newPage);
            // 设置字体和大小，并移动到指定位置
            canvas.beginText()
                    .setFontAndSize(PdfFontFactory.createFont("STSong-Light", "UniGB-UCS2-H"), 14)
                    .moveText(100, 700) // 调整起始Y坐标使内容更靠近页面顶部
                    .showText("资料名称：" + name)
                    .moveText(0, -20)   // 每次向下移动一定距离以换行
                    .showText("接收时间：2025-11-04")
                    .moveText(0, -20)
                    .showText("移交纸质资料时请移交此版本数据")
                    .endText();
            pdfDoc.close();
            reader.close();
 
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            pdfDoc.close();
            reader.close();
        }
    }
 
    public static void addFirstPageToWord(String sourcePath, String outputPath) {
        try {
            XWPFDocument document = new XWPFDocument();
 
            // 添加首页内容
            addCoverPageContent(document);
 
            // 保存文档
            FileOutputStream out = new FileOutputStream(outputPath);
            document.write(out);
            out.close();
            document.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
 
    private static void addCoverPageContent(XWPFDocument document) {
        // 标题
        XWPFParagraph title = document.createParagraph();
        title.setAlignment(ParagraphAlignment.CENTER);
        XWPFRun titleRun = title.createRun();
        titleRun.setText("请打印移交此版本数据");
        titleRun.setBold(true);
        titleRun.setFontSize(28);
 
        // 空行
        document.createParagraph();
 
    }
}