用itext实现pdf导出表格数据及水印操作的项目和jar包和说明文件

package com.fruitking.testpdf.util; import java.awt.Color; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.net.MalformedURLException; import com.lowagie.text.BadElementException; import com.lowagie.text.Document; import com.lowagie.text.DocumentException; import com.lowagie.text.Element; import com.lowagie.text.Font; import com.lowagie.text.Image; import com.lowagie.text.Paragraph; import com.lowagie.text.Phrase; import com.lowagie.text.pdf.BaseFont; import com.lowagie.text.pdf.ColumnText; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfGState; import com.lowagie.text.pdf.PdfPCell; import com.lowagie.text.pdf.PdfPTable; import com.lowagie.text.pdf.PdfPageEventHelper; import com.lowagie.text.pdf.PdfReader; import com.lowagie.text.pdf.PdfStamper; import com.lowagie.text.pdf.PdfWriter; public class PDFCreate2WaterMark { /** * 根据图片文件路径构建一个图片对象 * @param waterMarkFullFilePath * @param xPosition * @param yPosition * @return * @throws BadElementException * @throws MalformedURLException * @throws IOException */ private Image getWaterMarkImage(String waterMarkFullFilePath,float xPosition,float yPosition)throws BadElementException, MalformedURLException, IOException{ Image waterMarkImage = Image.getInstance(waterMarkFullFilePath); waterMarkImage.setAbsolutePosition(xPosition, yPosition);//坐标 waterMarkImage.setRotation(-20);//旋转 弧度 waterMarkImage.setRotationDegrees(-45);//旋转 角度 waterMarkImage.scalePercent(100);//依照比例缩放 return waterMarkImage; } /** * 对一个图片对象设置展示位置等信息，该对象重复利用，减少PDF文件大小 * @param waterMarkImage * @param xPosition * @param yPosition * @return */ private Image getSingletonWaterMarkImage(Image waterMarkImage,float xPosition,float yPosition){ waterMarkImage.setAbsolutePosition(xPosition, yPosition);//坐标 waterMarkImage.setRotation(-20);//旋转 弧度 waterMarkImage.setRotationDegrees(-45);//旋转 角度 waterMarkImage.scalePercent(100);//依照比例缩放 return waterMarkImage; } /** * 对于已存在的PDF文件增加图片水印 * 图片水印按照两列三行模式，并旋转45度正斜形式添加水印图片 * @param pdfInputFile * @param pdfOutputFile * @param waterMarkFullFilePath */ public void addPictureWaterMark(String pdfInputFile,String pdfOutputFile,String waterMarkFullFilePath) { PdfStamper pdfStamper = null; PdfReader reader = null; try { //构造需要添加水印的PDF文件对象 reader = new PdfReader(pdfInputFile); int pdfFileTotalPages = reader.getNumberOfPages() + 1; //创建添加水印后的PDF文件对象 OutputStream pdfOutputStream = new FileOutputStream(pdfOutputFile); pdfStamper = new PdfStamper(reader,pdfOutputStream); PdfContentByte underPdfContent = null; float pageWidth = 0; float pageHeight = 0; for (int i = 1; i < pdfFileTotalPages; i++) { pageWidth = reader.getPageSize(i).getWidth();//获取pdf文档页面宽度 pageHeight = reader.getPageSize(i).getHeight();//获取pdf文档页面高度 underPdfContent = pdfStamper.getUnderContent(i); //添加水印图片，文档正文内容采用横向三列，竖向两列模式增加图片水印 underPdfContent.addImage(getWaterMarkImage(waterMarkFullFilePath,pageWidth*0.2f,pageHeight*0.1f)); underPdfContent.addImage(getWaterMarkImage(waterMarkFullFilePath,pageWidth*0.2f,pageHeight*0.4f)); underPdfContent.addImage(getWaterMarkImage(waterMarkFullFilePath,pageWidth*0.2f,pageHeight*0.7f)); underPdfContent.addImage(getWaterMarkImage(waterMarkFullFilePath,pageWidth*0.6f,pageHeight*0.1f)); underPdfContent.addImage(getWaterMarkImage(waterMarkFullFilePath,pageWidth*0.6f,pageHeight*0.4f)); underPdfContent.addImage(getWaterMarkImage(waterMarkFullFilePath,pageWidth*0.6f,pageHeight*0.7f)); PdfGState gs = new PdfGState(); gs.setFillOpacity(0.2f);//设置透明度为0.2 underPdfContent.setGState(gs); } }catch(DocumentException de){ de.printStackTrace(); System.err.println("pdf add watermark documnet opt: " + de.getMessage()); }catch(IOException ioe){ ioe.printStackTrace(); System.err.println("pdf add watermark iostream opt: " + ioe.getMessage()); }finally{ if(reader!=null){ reader.close(); } if(pdfStamper!=null){ try{ pdfStamper.close(); }catch(DocumentException de){ de.printStackTrace(); System.err.println("pdf add watermark close stamper: " + de.getMessage()); }catch(IOException ioe){ ioe.printStackTrace(); System.err.println("pdf add watermark close stream: " + ioe.getMessage()); } } } } /** * 对于已存在的PDF文件增加图片水印，水印图片以单例模式添加，避免极大的增加PDF文件大小 * 图片水印按照两列三行模式，并旋转45度正斜形式添加水印图片 * @param pdfInputFile * @param pdfOutputFile * @param waterMarkFullFilePath */ public void addSingletonPictureWaterMark(String pdfInputFile,String pdfOutputFile,String waterMarkFullFilePath) { PdfStamper pdfStamper = null; PdfReader reader = null; try { //构造需要添加水印的PDF文件对象 reader = new PdfReader(pdfInputFile); int pdfFileTotalPages = reader.getNumberOfPages() + 1; //创建添加水印后的PDF文件对象 OutputStream pdfOutputStream = new FileOutputStream(pdfOutputFile); pdfStamper = new PdfStamper(reader,pdfOutputStream); PdfContentByte underPdfContent = null; float pageWidth = 0; float pageHeight = 0; //仅设置一个图片实例对象，整个PDF文档只应用一个图片对象，极大减少因为增加图片水印导致PDF文档大小增加 Image waterMarkImage = Image.getInstance(waterMarkFullFilePath); for (int i = 1; i < pdfFileTotalPages; i++) { pageWidth = reader.getPageSize(i).getWidth();//获取pdf文档页面宽度 pageHeight = reader.getPageSize(i).getHeight();//获取pdf文档页面高度 underPdfContent = pdfStamper.getUnderContent(i); //添加水印图片，文档正文内容采用横向三列，竖向两列模式增加图片水印 underPdfContent.addImage(getSingletonWaterMarkImage(waterMarkImage,pageWidth*0.2f,pageHeight*0.1f)); underPdfContent.addImage(getSingletonWaterMarkImage(waterMarkImage,pageWidth*0.2f,pageHeight*0.4f)); underPdfContent.addImage(getSingletonWaterMarkImage(waterMarkImage,pageWidth*0.2f,pageHeight*0.7f)); underPdfContent.addImage(getSingletonWaterMarkImage(waterMarkImage,pageWidth*0.6f,pageHeight*0.1f)); underPdfContent.addImage(getSingletonWaterMarkImage(waterMarkImage,pageWidth*0.6f,pageHeight*0.4f)); underPdfContent.addImage(getSingletonWaterMarkImage(waterMarkImage,pageWidth*0.6f,pageHeight*0.7f)); PdfGState gs = new PdfGState(); gs.setFillOpacity(0.2f);//设置透明度为0.2 underPdfContent.setGState(gs); } }catch(DocumentException de){ de.printStackTrace(); System.err.println("pdf add watermark documnet opt: " + de.getMessage()); }catch(IOException ioe){ ioe.printStackTrace(); System.err.println("pdf add watermark iostream opt: " + ioe.getMessage()); }finally{ if(reader!=null){ reader.close(); } if(pdfStamper!=null){ try{