java生成PDF文件(itext)

itextpdf-5.4.3.jar下载地址： http://www.kuaipan.cn/file/id_58980483773788178.htm
导入itextpdf-5.4.3.jar

ToPDF .java

import java.io.FileOutputStream;
import com.itextpdf.text.Document;
import com.itextpdf.text.Element;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;

public class ToPDF {

    public static void main(String[] args) {
 
        Document document = new Document();
        int ColumnNums = 6;
        int CellNums = 24;
        try {
            // 生成PDF的绝对路径
            PdfWriter.getInstance(document,
                    new FileOutputStream("F:\test.pdf"));
            document.open();

            // 设置Table的列数
            PdfPTable table = new PdfPTable(ColumnNums);
            PdfPCell cell = new PdfPCell(new Paragraph("testToPDF"));
            cell.setHorizontalAlignment(Element.ALIGN_CENTER);

            cell.setColspan(ColumnNums);
            table.addCell(cell);

            for (int i = 0; i < CellNums; i++) {
                cell = new PdfPCell(new Paragraph(i + " "));
                cell.setHorizontalAlignment(Element.ALIGN_CENTER);//设置水平Alignment
                cell.setVerticalAlignment(Element.ALIGN_CENTER); // 设置垂直Alignment
                table.addCell(cell);
            }

            document.add(table);
        } catch (Exception e) {
            e.printStackTrace();
        }
        document.close();
    }
}

测试结果：