import java.io.File;

import java.io.FileOutputStream;

import com.itextpdf.text.*;

import com.itextpdf.text.pdf.PdfWriter;

public class CreatePDF {

public static void main(String[] args) throws Exception {

Document pdfDoc = new Document();

// 将要生成的 pdf 文件的路径输出流

FileOutputStream pdfFile = new FileOutputStream(new File(

"F:firstPdf.pdf"));

// pdf 文件中的一个文字段落

Paragraph paragraph = new Paragraph(

"My first PDF file with an image ...");

Image image = Image.getInstance("images/pdftest.png");

// 用 Document 对象、File 对象获得 PdfWriter 输出流对象

PdfWriter.getInstance(pdfDoc, pdfFile);

pdfDoc.open(); // 打开 Document 文档

// 添加一个文字段落、一张图片

pdfDoc.add(paragraph);

pdfDoc.add(image);

pdfDoc.close();

}

}

import java.io.File;

import java.io.FileOutputStream;

import com.itextpdf.text.Element;

import com.itextpdf.text.Image;

import com.itextpdf.text.pdf.BaseFont;

import com.itextpdf.text.pdf.PdfArray;

import com.itextpdf.text.pdf.PdfContentByte;

import com.itextpdf.text.pdf.PdfDictionary;

import com.itextpdf.text.pdf.PdfName;

import com.itextpdf.text.pdf.PdfObject;

import com.itextpdf.text.pdf.PdfReader;

import com.itextpdf.text.pdf.PdfStamper;

public class CAPdf{

public static void main(String[] args) throws Exception {

FileUtil.fileChannelCopy(new File("F:\\firstPdf.pdf"),new File("f:\\firstPdf_temp.pdf"));

PdfReader reader = new PdfReader("f:firstPdf.pdf");

PdfStamper stamper = new PdfStamper(reader, new FileOutputStream("f:firstPdf_temp.pdf"));

PdfContentByte overContent = stamper.getOverContent(1);

//添加文字

BaseFont font = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);

overContent.beginText();

overContent.setFontAndSize(font, 10);

overContent.setTextMatrix(200, 200);

overContent.showTextAligned(Element.ALIGN_CENTER,"需要添加的文字",180,530,0);

overContent.endText();

//添加图片

PdfDictionary pdfDictionary = reader.getPageN(1);

PdfObject pdfObject = pdfDictionary.get(new PdfName("MediaBox"));

PdfArray pdfArray = (PdfArray) pdfObject;

Image image = Image.getInstance("images/pdftest.png");

image.setAbsolutePosition(100,100);

overContent.addImage(image);

//添加一个红圈

overContent.setRGBColorStroke(0xFF, 0x00, 0x00);

overContent.setLineWidth(5f);

overContent.ellipse(250, 450, 350, 550);

overContent.stroke();

stamper.close();

}

}