Java将xls文件另存为PDF

import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import com.itextpdf.text.Document;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

public class XlsToPdfConverter {
    public static void main(String[] args) {
        try {
            // 加载Excel文件
            InputStream excelFile = new FileInputStream("input.xls");
            Workbook workbook = new XSSFWorkbook(excelFile);
            Sheet sheet = workbook.getSheetAt(0);

            // 创建PDF文件
            Document document = new Document();
            OutputStream pdfFile = new FileOutputStream("output.pdf");
            PdfWriter.getInstance(document, pdfFile);
            document.open();

            // 逐行读取Excel文件并写入PDF文件
            for (Row row : sheet) {
                for (Cell cell : row) {
                    String cellValue = "";
                    if (cell.getCellType() == CellType.STRING) {
                        cellValue = cell.getStringCellValue();
                    } else if (cell.getCellType() == CellType.NUMERIC) {
                        cellValue = String.valueOf(cell.getNumericCellValue());
                    }
                    document.add(new Paragraph(cellValue));
                }
            }

            // 关闭文件流
            document.close();
            pdfFile.close();
            excelFile.close();

            System.out.println("转换完成！");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}