此例通过docx4j实现word转成pdf。
因功能较简单，只在此展示一下后台功能代码。
1.公用方法类
package com.ldht.common.util.wordPdf;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.apache.poi.POIXMLDocument;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.docx4j.convert.out.pdf.PdfConversion;
import org.docx4j.convert.out.pdf.viaXSLFO.PdfSettings;
import org.docx4j.fonts.IdentityPlusMapper;
import org.docx4j.fonts.Mapper;
import org.docx4j.fonts.PhysicalFonts;
import org.docx4j.jaxb.Context;
import org.docx4j.openpackaging.exceptions.Docx4JException;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
import org.docx4j.openpackaging.parts.PartName;
import org.docx4j.openpackaging.parts.WordprocessingML.AlternativeFormatInputPart;
import org.docx4j.openpackaging.parts.WordprocessingML.MainDocumentPart;
import org.docx4j.relationships.Relationship;
import org.docx4j.wml.CTAltChunk;
/**
* @author HMZ
*/
public class WordUtil {
public void mergeDocx(HttpServletResponse response,List<String> list){
List<InputStream> inList=new ArrayList<InputStream>();
for(int i=0;i<list.size();i++)
try {
inList.add(new FileInputStream(list.get(i)));
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
InputStream inputStream=mergeDocx(inList);
saveTemplate(response,inputStream);
} catch ( IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Docx4JException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public InputStream mergeDocx(final List<InputStream> streams) throws Docx4JException, IOException {
WordprocessingMLPackage target = null;
final File generated = File.createTempFile("generated", ".docx");
int chunkId = 0;
Iterator<InputStream> it = streams.iterator();
while (it.hasNext()) {
InputStream is = it.next();
if (is != null) {
if (target == null) {
// Copy first (master) document
OutputStream os = new FileOutputStream(generated);
os.write(IOUtils.toByteArray(is));
os.close();
target = WordprocessingMLPackage.load(generated);
} else {
// Attach the others (Alternative input parts)
insertDocx(target.getMainDocumentPart(),
IOUtils.toByteArray(is), chunkId++);
}
}
}
if (target != null) {
target.save(generated);
FileInputStream input = new FileInputStream(generated);
//获取docx解析对象
// XWPFDocument document = new XWPFDocument(target);
return new FileInputStream(generated);
} else {
return null;
}
}
// 插入文档
private void insertDocx(MainDocumentPart main, byte[] bytes, int chunkId) {
try {
AlternativeFormatInputPart afiPart = new AlternativeFormatInputPart(
new PartName("/part" + chunkId + ".docx"));
// afiPart.setContentType(new ContentType(CONTENT_TYPE));
afiPart.setBinaryData(bytes);
Relationship altChunkRel = main.addTargetPart(afiPart);
CTAltChunk chunk = Context.getWmlObjectFactory().createCTAltChunk();
chunk.setId(altChunkRel.getId());
main.addObject(chunk);
} catch (Exception e) {
e.printStackTrace();
}
}
public void saveTemplate(HttpServletResponse response,InputStream fis) throws IOException{
OutputStream fos = response.getOutputStream();
int bytesum = 0;
int byteread = 0;
try {
byte[] buffer = new byte[10240];
while ( (byteread = fis.read(buffer)) != -1) {
bytesum += byteread; //字节数 文件大小
fos.write(buffer, 0, byteread);
}
fis.close();
fos.close();
} catch (FileNotFoundException e1) {
e1.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* docx文档转换为PDF
* @param docx docx文档
* @param pdfPath PDF文档存储路径
* @throws Exception 可能为Docx4JException, FileNotFoundException, IOException等
*/
@SuppressWarnings("deprecation")
public void convertDocxToPDF(File docx, String pdfPath) throws Exception {
OutputStream os = null;
try {
WordprocessingMLPackage mlPackage = WordprocessingMLPackage.load(docx);
// Mapper fontMapper = new BestMatchingMapper();
Mapper fontMapper = new IdentityPlusMapper();
//中文字体转换
fontMapper.getFontMappings().put("华文行楷", PhysicalFonts.getPhysicalFonts().get("STXingkai"));
fontMapper.getFontMappings().put("隶书", PhysicalFonts.getPhysicalFonts().get("LiSu"));
fontMapper.getFontMappings().put("宋体",PhysicalFonts.getPhysicalFonts().get("SimSun"));
fontMapper.getFontMappings().put("微软雅黑",PhysicalFonts.getPhysicalFonts().get("Microsoft Yahei"));
fontMapper.getFontMappings().put("黑体",PhysicalFonts.getPhysicalFonts().get("SimHei"));
fontMapper.getFontMappings().put("楷体",PhysicalFonts.getPhysicalFonts().get("KaiTi"));
fontMapper.getFontMappings().put("新宋体",PhysicalFonts.getPhysicalFonts().get("NSimSun"));
fontMapper.getFontMappings().put("华文行楷", PhysicalFonts.getPhysicalFonts().get("STXingkai"));
fontMapper.getFontMappings().put("华文仿宋", PhysicalFonts.getPhysicalFonts().get("STFangsong"));
fontMapper.getFontMappings().put("宋体扩展",PhysicalFonts.getPhysicalFonts().get("simsun-extB"));
fontMapper.getFontMappings().put("仿宋",PhysicalFonts.getPhysicalFonts().get("FangSong"));
fontMapper.getFontMappings().put("仿宋_GB2312",PhysicalFonts.getPhysicalFonts().get("FangSong_GB2312"));
fontMapper.getFontMappings().put("幼圆",PhysicalFonts.getPhysicalFonts().get("YouYuan"));
fontMapper.getFontMappings().put("华文宋体",PhysicalFonts.getPhysicalFonts().get("STSong"));
fontMapper.getFontMappings().put("华文中宋",PhysicalFonts.getPhysicalFonts().get("STZhongsong"));
mlPackage.setFontMapper(fontMapper);
PdfConversion conversion = new org.docx4j.convert.out.pdf.viaXSLFO.Conversion(mlPackage);
os = new FileOutputStream(pdfPath);
conversion.output(os, new PdfSettings());
} finally {
IOUtils.closeQuietly(os);
}
}
/**
* 将文件内容写入到临时文件中
* @param inputUrl
* @param file
* @throws IOException
*/
public void createFile(String inputUrl,File file) throws IOException{
//获取docx解析对象
XWPFDocument document = new XWPFDocument(POIXMLDocument.openPackage(inputUrl));
FileOutputStream stream = new FileOutputStream(file);
document.write(stream);
stream.close();
}
/**
* 替换文本
* @param document docx解析对象
*/
public static void changeText(XWPFDocument document, String oldValue, String newValue){
//获取段落集合
List<XWPFParagraph> paragraphs = document.getParagraphs();
for (XWPFParagraph paragraph : paragraphs) {
//判断此段落时候需要进行替换
String text = paragraph.getText();
if(text.indexOf("^m^p")!= -1 || text.indexOf("^p^m")!= -1){
List<XWPFRun> runs = paragraph.getRuns();
for (XWPFRun run : runs) {
//替换模板原来位置
run.setText("^m",0);
}
}
}
}
}
2.如何调用
WordUtil.convertDocxToPDF(wordFile,pdfFilePath);
3.说明
convertDocxToPDF方法中定义的fontMapper，用于存放各类字体的转换关系，若不声明，则转换后有可能出现乱码。word中尽量使用宋体等常用字体，包括在Linux系统中，也需要安装相应的字体，才能解决乱码问题。
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