WorkflowPDFStream.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="java.io.*" %>
<%@ page import="weaver.general.Util" %>
<%@ page import="org.xhtmlrenderer.pdf.ITextRenderer,org.xhtmlrenderer.pdf.ITextFontResolver,com.lowagie.text.pdf.BaseFont" %>
<%
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort();
String uniqueKey = Util.null2String(request.getParameter("uniqueKey"));
String pdf_formhtml = Util.null2String(session.getAttribute("pdf_formhtml_"+uniqueKey));
session.removeAttribute("pdf_formhtml_"+uniqueKey);
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
try {
//使用flyingsaucer转PDF
//添加中文显示
ITextRenderer renderer = new ITextRenderer();
ITextFontResolver fontResolver = renderer.getFontResolver();
fontResolver.addFont(basePath+"/font/arial.ttf",BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); //Arial
fontResolver.addFont(basePath+"/font/simsun.ttc",BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); //宋体
fontResolver.addFont(basePath+"/font/simhei.ttf",BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); //黑体
fontResolver.addFont(basePath+"/font/msyh.ttf",BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); //微软雅黑
fontResolver.addFont(basePath+"/font/simkai.ttf",BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); //楷体
fontResolver.addFont(basePath+"/font/SIMYOU.TTF",BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); //幼圆
fontResolver.addFont(basePath+"/font/simfang.ttf",BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); //仿宋
//jar冲突
System.setProperty("javax.xml.transform.TransformerFactory","com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl");
System.setProperty("javax.xml.parsers.DocumentBuilderFactory","com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl");
//Html格式化
org.jsoup.nodes.Document doc = org.jsoup.Jsoup.parse(pdf_formhtml);
String str = doc.html();
//字符替换
//System.err.println("beforeTrans"+str);
str = str.replaceAll("<o:p></o:p>", "");
str = str.replaceAll("(FONT-FAMILY|font-family)?[ ]*:[ ]*宋体", "font-family:SimSun");
str = str.replaceAll("(FONT-FAMILY|font-family)?[ ]*:[ ]*黑体", "font-family:SimHei");
str = str.replaceAll("(FONT-FAMILY|font-family)?[ ]*:[ ]*楷体(_GB2312)?", "font-family:KaiTi");
str = str.replaceAll("(FONT-FAMILY|font-family)?[ ]*:[ ]*幼圆", "font-family:YouYuan");
str = str.replaceAll("(FONT-FAMILY|font-family)?[ ]*:[ ]*仿宋(_GB2312)?", "font-family:FangSong");
str = str.replaceAll("(FONT-FAMILY|font-family)?[ ]*:[ ]*隶书", "font-family:Microsoft YaHei");
//System.out.println("afterTrans---"+str);
renderer.setDocumentFromString(str);
renderer.layout();
ByteArrayOutputStream pdfos = new ByteArrayOutputStream();
renderer.createPDF(pdfos);
pdfos.close();
//PDF显示
response.reset();
response.setContentType("application/pdf");
byte[] pdfbyte=pdfos.toByteArray();
bis = new BufferedInputStream(new ByteArrayInputStream(pdfbyte));
bos = new BufferedOutputStream(response.getOutputStream());
byte[] buff = new byte[2048];
int bytesRead;
while((bytesRead = bis.read(buff, 0, buff.length)) != -1) {
bos.write(buff, 0, bytesRead);
}
bos.flush();
//out.clear();
out = pageContext.pushBody();
//添加下载流成功session，用于界面loading效果结束
session.setAttribute("pdfstream_"+uniqueKey, "success");
} catch(IOException e) {
e.printStackTrace();
} finally {
if (bis != null) {
try {
bis.close();
bis = null;
} catch (IOException e) {
}
}
if (bos != null) {
try {
bos.close();
bos = null;
} catch (IOException e) {
}
}
}
%>