最近做的項目中需要用到導出word和pdf的功能（還有圖表），在網上找了很多資料，最后敲定用了IText組件，下面是我項目中的一個Demo，記錄了一下，希望對需要的人有幫助。

相關jar包下載地址：http://download.csdn.net/detail/zwx19921215/8368135

IText操作類

package com.tgb.util;import java.awt.Color; import java.io.FileNotFoundException; import java.io.IOException; import java.io.OutputStream; import java.util.List;import com.lowagie.text.Document; import com.lowagie.text.DocumentException; 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.PdfWriter; import com.lowagie.text.rtf.RtfWriter2; import com.tgb.entity.News;/*** IText操作類* @author shyh**/ public class ItextManager {private Font font;private BaseFont bfChinese;public ItextManager() throws Exception {// 設置中文字體bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);font = new Font(bfChinese);font.setSize(15);font.setStyle(FontFactory.HELVETICA); // font.setStyle(Font.BOLD);//加粗font.setColor(new Color(0,0,0));}public static ItextManager getInstance() throws Exception {return new ItextManager();}public void createRtfContext(List<News> newsList, List<String> imgList, OutputStream out,String type) {Document doc = new Document(PageSize.A4, 20, 20, 20, 20);try {if("word".equals(type)){RtfWriter2.getInstance(doc, out);}else if("pdf".equals(type)){PdfWriter.getInstance(doc, out);}doc.open();News news = null;Paragraph title1 = null;for (int i = 0; i < newsList.size(); i++) {news = newsList.get(i);// 標題Paragraph title = new Paragraph(news.getTitle(), font);title.setAlignment(Element.ALIGN_LEFT);doc.add(title);// 換行title1 = new Paragraph("\n");doc.add(title1);// 正文Paragraph content = new Paragraph(news.getContent(), font);content.setAlignment(Element.ALIGN_LEFT);doc.add(content);// 換行title1 = new Paragraph("\n");doc.add(title1);// 站點Paragraph site = new Paragraph(news.getSite(), font);content.setAlignment(Element.ALIGN_LEFT);doc.add(site);// 換行title1 = new Paragraph("\n");doc.add(title1);// 發布時間Paragraph publishTime = new Paragraph(news.getPublishTime(), font);content.setAlignment(Element.ALIGN_LEFT);doc.add(publishTime);// 換行title1 = new Paragraph("\n");doc.add(title1);}Image img = null;for (int j = 0; j < imgList.size(); j++) {// 圖片img = Image.getInstance(imgList.get(j));float heigth = img.getHeight();float width = img.getWidth();int percent = getPercent2(heigth, width);img.setAlignment(Image.MIDDLE);img.scalePercent(percent + 3);// 表示是原來圖像的比例;doc.add(img);}doc.close();} catch (FileNotFoundException e) {e.printStackTrace();} catch (DocumentException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}/*** 第一種解決方案 在不改變圖片形狀的同時，判斷，如果h>w，則按h壓縮，否則在w>h或w=h的情況下，按寬度壓縮* * @param h* @param w* @return*/public static int getPercent(float h, float w) {int p = 0;float p2 = 0.0f;if (h > w) {p2 = 297 / h * 100;} else {p2 = 210 / w * 100;}p = Math.round(p2);return p;}/*** 第二種解決方案，統一按照寬度壓縮 這樣來的效果是，所有圖片的寬度是相等的，自我認為給客戶的效果是最好的* * @param args*/public static int getPercent2(float h, float w) {int p = 0;float p2 = 0.0f;p2 = 530 / w * 100;p = Math.round(p2);return p;} }
控制層（springmvc）

@RequestMapping(value="/exportword")public String exportWord(HttpServletRequest request,HttpServletResponse response) throws Exception{String type = request.getParameter("type");response.setContentType("application/octet-stream; charset=UTF-8"); if("word".equals(type)){response.setHeader("content-disposition", "attachment;filename=" + new SimpleDateFormat("yyyyMMddHH:mm:ss").format(new Date()) + ".doc");}else if("pdf".equals(type)){response.setHeader("content-disposition", "attachment;filename=" + new SimpleDateFormat("yyyyMMddHH:mm:ss").format(new Date()) + ".pdf");}String svgCode = request.getParameter("svg");//highcharts圖表svgCodeString svg [] = svgCode.split("_");String path[] = new String[svg.length];OutputStream out = response.getOutputStream();ItextManager tm = ItextManager.getInstance();List<News> newsList = userService.getData();List<String> imageList = new ArrayList<String>();if(svg!=null){for(int k=0;k<svg.length;k++){String picName = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())+".png";path[k] = request.getSession().getServletContext().getRealPath("/upload/"+picName);imageList.add(path[k]);SvgPngConverter.convertToPng(svg[k], path[k]);}}tm.createRtfContext(newsList,imageList,out,type);out.flush();out.close();return null;}

業務層

@Overridepublic List<News> getData() {List<News> newsList = new ArrayList<News>();News news1 = new News();news1.setTitle("標題：國泰君安*公司研究*廣發證券：定增完成，如虎添翼*000776*投資銀行業與經紀業行業*梁靜");news1.setContent("正文：報告類型=公司事件點評公司簡稱=廣發證券公司代碼=000776報告日期=Thu Aug 25 09:05:29 CST 2011研究員 =梁靜報告標題=定增完成，如虎添翼【報告摘要】8月25日，廣發證券成功向揭陽市信宏資產、匯添富基金、上海海博鑫惠、興業基金等10家機構定向增發4.526億股、募集資金121.8億元，募集資金凈額120億元。");news1.setSite("站點：新浪網");news1.setPublishTime("發布時間：2014-05-12");News news2 = new News();news2.setTitle("標題：[申萬銷售夏敬慧] 基金倉位周報----開基倉位下降1.51%");news2.setContent("正文：理財產品部分析師: 楊鵬（18930809297） 開基倉位有所下降：本周，開放式基金平均倉位繼續下降。");news2.setSite("站點：騰訊網");news2.setPublishTime("發布時間：2014-05-25");newsList.add(news1);newsList.add(news2);return newsList;}
顯示層

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>導出word</title> <script type="text/javascript" src="js/jquery/jquery-1.7.1.js"></script> <script src="js/highcharts/4.0.1/js/highcharts.js"></script> <script src="js/highcharts/4.0.1/js/modules/exporting.js"></script> <script type="text/javascript">$(function() {Highcharts.wrap(Highcharts.Chart.prototype, 'getSVG', function (proceed) {return proceed.call(this).replace(/(fill|stroke)="rgba\(([ 0-9]+,[ 0-9]+,[ 0-9]+),([ 0-9\.]+)\)"/g, '$1="rgb($2)" $1-opacity="$3"');});$('#container').highcharts({title : {text : 'Monthly Average Temperature',x : -20//center},subtitle : {text : 'Source: WorldClimate.com',x : -20},xAxis : {categories : [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]},yAxis : {title : {text : 'Temperature (°C)'},plotLines : [ {value : 0,width : 1,color : '#808080'} ]},tooltip : {valueSuffix : '°C'},legend : {layout : 'vertical',align : 'right',verticalAlign : 'middle',borderWidth : 0},series : [ {name : 'Tokyo',data : [ 7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6 ]}, {name : 'New York',data : [ -0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5 ]}, {name : 'Berlin',data : [ -0.9, 0.6, 3.5, 8.4, 13.5, 17.0, 18.6, 17.9, 14.3, 9.0, 3.9, 1.0 ]}, {name : 'London',data : [ 3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8 ]} ]});$('#container_pie').highcharts({chart : {plotBackgroundColor : null,plotBorderWidth : null,plotShadow : false},title : {text : 'Browser market shares at a specific website, 2010'},tooltip : {pointFormat : '{series.name}: <b>{point.percentage:.1f}%</b>'},plotOptions : {pie : {allowPointSelect : true,cursor : 'pointer',dataLabels : {enabled : true,color : '#000000',connectorColor : '#000000',format : '<b>{point.name}</b>: {point.percentage:.1f} %'}}},series : [ {type : 'pie',name : 'Browser share',data : [ [ 'Firefox', 45.0 ], [ 'IE', 26.8 ], {name : 'Chrome',y : 12.8,sliced : true,selected : true}, [ 'Safari', 8.5 ], [ 'Opera', 6.2 ], [ 'Others', 0.7 ] ]} ]});$("#btn_word").on("click", function() {var chart_line = $("#container").highcharts();var chart_pie = $("#container_pie").highcharts();var svg_line = chart_line.getSVG();var svg_pie = chart_pie.getSVG();var svg = svg_line+"_"+svg_pie;$("#svg").val(svg);$("#form1").prop("action", "exportword.do?type=word").submit();});$("#btn_pdf").on("click", function() {var chart_line = $("#container").highcharts();var chart_pie = $("#container_pie").highcharts();var svg_line = chart_line.getSVG();var svg_pie = chart_pie.getSVG();var svg = svg_line + "_" + svg_pie;$("#svg").val(svg);$("#form1").prop("action", "exportword.do?type=pdf").submit();});}); </script> </head> <body><form id="form1" action="exportword.do" method="post"><div><input type="hidden" name="svg" id="svg" /> <input id="btn_word" type="button" value="導出word" /> <input id="btn_pdf" type="button" value="導出pdf" /></div></form><div id="container" style="min-width: 310px; height: 400px; margin: 0 auto"></div><div id="container_pie" style="min-width: 310px; height: 400px; margin: 0 auto"></div> </body> </html>

效果：

導出word:

導出Pdf:

總結

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