使用iText导出word和pdf（经典）

话不多说，直接上代码：

[java] view
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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;

}

}

控制层（springmvc）

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@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;

}

业务层

[java] view
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@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;

}

显示层

[html] view
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<%@ 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>

效果：



导出word:



导出Pdf: