Java通过IText导出word和pdf

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操作类
* @author shyh
*
*/
public class ItextManager {

private Font font;
private BaseFont bfChinese;

public ItextManager() throws Exception {
// 设置中文字体
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);
// 标题
Paragraph title = new Paragraph(news.getTitle(), font);
title.setAlignment(Element.ALIGN_LEFT);
doc.add(title);

// 换行
title1 = new Paragraph("\n");
doc.add(title1);

// 正文
Paragraph content = new Paragraph(news.getContent(), font);
content.setAlignment(Element.ALIGN_LEFT);
doc.add(content);

// 换行
title1 = new Paragraph("\n");
doc.add(title1);

// 站点
Paragraph site = new Paragraph(news.getSite(), font);
content.setAlignment(Element.ALIGN_LEFT);
doc.add(site);

// 换行
title1 = new Paragraph("\n");
doc.add(title1);

// 发布时间
Paragraph publishTime = new Paragraph(news.getPublishTime(), font);
content.setAlignment(Element.ALIGN_LEFT);
doc.add(publishTime);

// 换行
title1 = new Paragraph("\n");
doc.add(title1);

}

Image img = null;
for (int j = 0; j < imgList.size(); j++) {
// 图片
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);// 表示是原来图像的比例;
doc.add(img);
}

doc.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (DocumentException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}

/**
* 第一种解决方案 在不改变图片形状的同时，判断，如果h>w，则按h压缩，否则在w>h或w=h的情况下，按宽度压缩
*
* @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;
}

/**
* 第二种解决方案，统一按照宽度压缩 这样来的效果是，所有图片的宽度是相等的，自我认为给客户的效果是最好的
*
* @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;
}
}

@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图表svgCode
String 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;
}

@Override
public List<News> getData() {
List<News> newsList = new ArrayList<News>();
News news1 = new News();
news1.setTitle("标题：国泰君安*公司研究*广发证券：定增完成，如虎添翼*000776*投资银行业与经纪业行业*梁静");
news1.setContent("正文：报告类型=公司事件点评公司简称=广发证券公司代码=000776报告日期=Thu Aug 25 09:05:29 CST 2011研究员 =梁静报告标题=定增完成，如虎添翼【报告摘要】8月25日，广发证券成功向揭阳市信宏资产、汇添富基金、上海海博鑫惠、兴业基金等10家机构定向增发4.526亿股、募集资金121.8亿元，募集资金净额120亿元。");
news1.setSite("站点：新浪网");
news1.setPublishTime("发布时间：2014-05-12");

News news2 = new News();
news2.setTitle("标题：[申万销售夏敬慧] 基金仓位周报----开基仓位下降1.51%");
news2.setContent("正文：理财产品部分析师: 杨鹏（18930809297） 开基仓位有所下降：本周，开放式基金平均仓位继续下降。");
news2.setSite("站点：腾讯网");
news2.setPublishTime("发布时间：2014-05-25");

newsList.add(news1);
newsList.add(news2);

return newsList;
}

<%@ 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>导出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="导出word" />
<input id="btn_pdf" type="button" value="导出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>