JAVA利用iText导出PDF-优快云博客

最新项目中客户要求把一些表格导成PDF发邮件形式发送给特定的用户，本文是利用iText生成PDF，采用策略模式解藕。

所需要引入的包：iText-2.0.8.jar

PdfUtilsBean接口类代码如下：

/**
 *@author liudonggan Email:ldg123456@sina.com
 *@date 2011-7-18 上午10:47:53
 *@version v1.0
 **/
public interface PdfUtilsBean {

	public void CreatePdf(String fileName,String picPath,int id);
}

PdfRoadKbUtilsBean实现类（implements PdfUtilsBean）代码如下:

package com.ys.product.bean;

import java.awt.Color;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.Image;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfWriter;
import com.ys.product.service.ISgKbRoadDetailService;
import com.ys.util.Utils;

/**
 *@author liudonggan Email:ldg123456@sina.com
 *@date 2011-7-18 上午10:53:31
 *@version v1.0
 **/
public class PdfRoadKbUtilsBean implements PdfUtilsBean {

	private SgKbRoadDetail sgKbRoadDetail=new SgKbRoadDetail();
	private ISgKbRoadDetailService sgKbRoadDetailService;
	public PdfRoadKbUtilsBean(ISgKbRoadDetailService sgKbRoadDetailService)
	{
		this.sgKbRoadDetailService=sgKbRoadDetailService;
	}

	private final int CELLHIGHT=30;//行高
	public void CreatePdf(String fileName,String picPath,int id) {
		// TODO Auto-generated method stub
		File file=new File(fileName);
		FileOutputStream out = null;
		sgKbRoadDetail=sgKbRoadDetailService.findKbRoad(id);
		try
		{
			Document document=new Document(PageSize.A4, 50, 50, 50, 50);
		   out = new FileOutputStream(file);
		   PdfWriter writer = PdfWriter.getInstance(document, out);
		   document.open();
		   
		   Image img=Image.getInstance(picPath+"\\gdcd.jpg");
		   img.scalePercent(70f);
		   img.setAlignment(Element.ALIGN_CENTER);
		   document.add(img);
		   Paragraph title1 = new Paragraph("\n");
		   document.add(title1);
		   
		   img=Image.getInstance(picPath+"\\gdcd1.jpg");
		   img.scalePercent(70f);
		   img.setAlignment(Element.ALIGN_CENTER);
		   document.add(img);
		   
		   Font font = FontFactory.getFont(FontFactory.HELVETICA,
				     18, Font.BOLD, new Color(0, 0, 0));
		   BaseFont bfChinese = BaseFont.createFont("STSong-Light","UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);//设置中文字体

		   //中文大小为20，加粗
		   font = new Font(bfChinese, 20, Font.BOLD);
		   Paragraph title = new Paragraph("XX标题",font);
		   title.setAlignment(Element.ALIGN_CENTER);
		   document.add(title);
		   title1 = new Paragraph("\n");
		   document.add(title1);
		   //创建表格对象
		   PdfPTable table = new PdfPTable(6);
		   int[] cellsWidth = {10,10,10,10,10,10};
		   table.setWidths(cellsWidth);
		   table.setWidthPercentage(100);
		   table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);
		   table.getDefaultCell().setVerticalAlignment(Element.ALIGN_MIDDLE);
		   table.getDefaultCell().setFixedHeight(CELLHIGHT);
		   //设置表格边框颜色
		   table.getDefaultCell().setBackgroundColor(new Color(0, 0, 0));
		   //设置单元格的边距间隔等
		   table.getDefaultCell().setPadding(0);
		   table.getDefaultCell().setBorderWidth(0);
		   //单元格对象
		   PdfPCell cell = new PdfPCell();

	    	Font font1 = new Font(bfChinese, 9, Font.HELVETICA);
	 
	    	
	    	Paragraph cel = new Paragraph("填报单位:"+sgKbRoadDetail.getUnitName(),font1);
	    	cel.setAlignment(Element.ALIGN_CENTER);
	    	cell=new PdfPCell(cel);
	    	cell.setHorizontalAlignment(Element.ALIGN_LEFT);
	    	cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
	    	cell.setColspan(6);
	    	cell.setBorder(0);
	    	table.addCell(cell);
	    	
	    	cel = new Paragraph("事故基本情况",font1);
	    	cel.setAlignment(Element.ALIGN_CENTER);
	    	cell=new PdfPCell(cel);
	    	cell.setHorizontalAlignment(Element.ALIGN_CENTER);//设置内容水平居中显示
	    	cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
	    	cell.setColspan(6);
	    	cell.setFixedHeight(CELLHIGHT);
	    	table.addCell(cell);
	    	
	    	cel = new Paragraph("事故发生时间",font1);
	    	cel.setAlignment(Element.ALIGN_CENTER);
	    	cell=new PdfPCell(cel);
	    	cell.setHorizontalAlignment(Element.ALIGN_CENTER);//设置内容水平居中显示
	    	cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
	    	cell.setColspan(1);
	    	cell.setFixedHeight(CELLHIGHT);
	    	table.addCell(cell);
	    	
	    	cel = new Paragraph(Utils.getMinute2(sgKbRoadDetail.getFssj()),font1);
	    	cel.setAlignment(Element.ALIGN_CENTER);
	    	cell=new PdfPCell(cel);
	    	cell.setColspan(3);
	    	cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
	    	cell.setNoWrap(true);
	    	table.addCell(cell);
	    	
	    	cel = new Paragraph("天气情况",font1);
	    	cel.setAlignment(Element.ALIGN_CENTER);
	    	cell=new PdfPCell(cel);
	    	cell.setHorizontalAlignment(Element.ALIGN_CENTER);//设置内容水平居中显示
	    	cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
	    	cell.setColspan(1);
	    	table.addCell(cell);
	    	
	    	cel = new Paragraph(sgKbRoadDetail.getTqqk(),font1);
	    	cel.setAlignment(Element.ALIGN_CENTER);
	    	cell=new PdfPCell(cel);
	    	cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
	    	cell.setColspan(1);
	    	table.addCell(cell);
	    	
	    	cel = new Paragraph("事故地点",font1);
	    	cel.setAlignment(Element.ALIGN_CENTER);
	    	cell=new PdfPCell(cel);
	    	cell.setHorizontalAlignment(Element.ALIGN_CENTER);//设置内容水平居中显示
	    	cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
	    	cell.setColspan(1);
	    	cell.setFixedHeight(CELLHIGHT);
	    	table.addCell(cell);
	    	
	    	cel = new Paragraph(sgKbRoadDetail.getSgdd(),font1);
	    	cel.setAlignment(Element.ALIGN_CENTER);
	    	cell=new PdfPCell(cel);
	    	cell.setColspan(3);
	    	cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
	    	cell.setFixedHeight(CELLHIGHT);
	    	cell.setNoWrap(true);
	    	table.addCell(cell);
	
	    	
	    	
		   //将表格对象添加到小节对象中
		   document.add(table);
		   document.close();

		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		finally
		{
			   if (out != null){

				    try {

				     //关闭输出文件流
				     out.close();
				    } catch (IOException e1) {

				    }
			   }
		}
	}

}

PdfUtils类代码如下

import java.io.File;

/**
 *@author liudonggan Email:ldg123456@sina.com
 *@date 2011-7-18 上午10:50:48
 *@version v1.0
 **/
public class PdfUtils {

	private PdfUtilsBean pdfUtilsBean=null;
	private String fileName="";
	private String picPath="";
	private int id=-1;
	public PdfUtils(PdfUtilsBean pdfUtilsBean,String fileName,String picPath,int id)
	{
		this.pdfUtilsBean=pdfUtilsBean;
		this.fileName=fileName;
		this.picPath=picPath;
		this.id=id;
	}
	public void CreatePdf()
	{
		this.pdfUtilsBean.CreatePdf(fileName,picPath,id);
	}
	public void DeletePdf() throws Exception
	{
		File file=new File(fileName);
		if(file.exists())
		{
			file.delete();
		}
	}
}