java操作ptf文档

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package **.**.**.action;

import java.awt.Color;
import java.io.FileOutputStream;
import java.util.Random;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.easydone.util.ParamUtil;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfWriter;

/**
* <p>Title: 本程序演示一个　action 怎样操作PDF文档</p>
* <p>Description: 所用开源包：itext-1.4.jar，iTextAsian.jar</p>
* <p>Copyright: Copyright (c) 2006</p>
* <p>Company: 聚能易成</p>
* @author dirboy
* @version 1.0
*/
public class PdfAction extends Action {

/**
  * Method execute
  * @param mapping
  * @param form
  * @param request
  * @param response
  * @return ActionForward
  */
public ActionForward execute(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response) {
  //创建一个文档对象,设置文档的页面大小
  Document document = null;
  String pdfName = (new Random()).nextInt()+".pdf";
  String pdf = ParamUtil.getStr((String)request.getParameter("pdf"));
  String sysPath = request.getRealPath("/");
  try {
   Rectangle pSize=new Rectangle(650,500);
   //Rectangle rectPageSize = new Rectangle(PageSize.A4);// 定义A4页面大小
   //rectPageSize = rectPageSize.rotate();// 加上这句可以实现A4页面的横置
   //文档的背景色
   pSize.setBackgroundColor(Color.white);
   //设置字体,需要包iTextAsian.jar
   BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
   Font FontChinese = new Font(bfChinese, 12, Font.NORMAL);
   //创建一个文档对象，设置初始化大小和页边距
   document = new Document(pSize,50,50,50,50);
   //定义一个表格
   PdfPTable table = new PdfPTable(3);
   Paragraph tinfo = null;
   for(int i=0;i<9;i++){
    PdfPCell cell = new PdfPCell();
    tinfo = new Paragraph("中文", FontChinese);
    cell.addElement(tinfo);
    table.addCell(cell);
   }
   //义一个图片
   Image jpeg = Image.getInstance("C://aa.jpeg");
   jpeg.setAlignment(Image.ALIGN_CENTER);

   //定义输出位置并把文档对象装入输出对象中
   String savePath = sysPath+"/pdf/"+pdfName;
   PdfWriter.getInstance(document, new FileOutputStream(savePath));
   //打开文档对象
   document.open();
   document.add(table);
   document.add(jpeg);
   //加入文档内容,中文处理
   Paragraph t = new Paragraph(pdf, FontChinese);
   document.add(t);
  } catch (Exception e) {
   e.printStackTrace();
   request.setAttribute("message","get Info Error"+e.getMessage());
   return mapping.findForward("globalException");  
  }finally{
   document.close();
  }
  request.setAttribute("message","下载地址："+"<a href='/pdf/"+pdfName+"'>下载</a>");
  return mapping.findForward("success");
}
}