前言：
临时来了一条新的需求：多个doc文档进行合并。
在网上苦苦搜罗了很久才找到可用的文件（原文出处到不到了 所以暂时不能加链接地址了），现在记录下留给有需要的人。
一：doc转docx
所需jar包：链接: https://pan.baidu.com/s/1WQ33HDsON8lpFQKgLu8pCQ 提取码: n1xt
具体代码
public class Doc2Docx {
public static void main(String[] args) {
String docFile = "D:/files/dfa3cbb9-a0a0-497a-aa9f-d26cbee9a25b_linux.doc";
String docxFile = "D:/print/linux.docx";
doc2docx(docFile, docxFile);
}
/**
* doc转docx
* @param docFile 源文件
* @param docxFile 目标文件
*/
public static void doc2docx(String docFile, String docxFile) {
Document doc;
try {
String tempFile = docxFile.substring(0, docxFile.lastIndexOf(".")) + "_temp"
+ docxFile.substring(docxFile.lastIndexOf("."), docxFile.length());
doc = new Document(docFile);
doc.save(tempFile);
Map<String, String> map = new HashMap<String, String>();
map.put("Evaluation Only. Created with Aspose.Words. Copyright 2003-2018 Aspose Pty Ltd.", "");
DocxReplace.replaceAndGenerateWord(tempFile, docxFile, map);
// forceDelete(new File(tempFile));
} catch (Exception e1) {
log.error("doc 2 docx exception:{}",e1.getMessage());
}
}
}public class DocxReplace {
// 返回Docx中需要替换的特殊字符，没有重复项
// 推荐传入正则表达式参数"\\$\\{[^{}]+\\}"
public ArrayList<String> getReplaceElementsInWord(String filePath,
String regex) {
String[] p = filePath.split("\\.");
if (p.length > 0) {// 判断文件有无扩展名
// 比较文件扩展名
if (p[p.length - 1].equalsIgnoreCase("doc")) {
ArrayList<String> al = new ArrayList<>();
File file = new File(filePath);
HWPFDocument document = null;
try {
InputStream is = new FileInputStream(file);
document = new HWPFDocument(is);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
Range range = document.getRange();
String rangeText = range.text();
CharSequence cs = rangeText.subSequence(0, rangeText.length());
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(cs);
int startPosition = 0;
while (matcher.find(startPosition)) {
if (!al.contains(matcher.group())) {
al.add(matcher.group());
}
startPosition = matcher.end();
}
return al;
} else if (p[p.length - 1].equalsIgnoreCase("docx")) {
ArrayList<String> al = new ArrayList<>();
XWPFDocument document = null;
try {
document = new XWPFDocument(
POIXMLDocument.openPackage(filePath));
} catch (IOException e) {
e.printStackTrace();
}
// 遍历段落
Iterator<XWPFParagraph> itPara = document
.getParagraphsIterator();
while (itPara.hasNext()) {
XWPFParagraph paragraph = (XWPFParagraph) itPara.next();
String paragraphString = paragraph.getText();
CharSequence cs = paragraphString.subSequence(0,
paragraphString.length());
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(cs);
int startPosition = 0;
while (matcher.find(startPosition)) {
if (!al.contains(matcher.group())) {
al.add(matcher.group());
}
startPosition = matcher.end();
}
}
// 遍历表
Iterator<XWPFTable> itTable = document.getTablesIterator();
while (itTable.hasNext()) {
XWPFTable table = (XWPFTable) itTable.next();
int rcount = table.getNumberOfRows();
for (int i = 0; i < rcount; i++) {
XWPFTableRow row = table.getRow(i);
List<XWPFTableCell> cells = row.getTableCells();
for (XWPFTableCell cell : cells) {
String cellText = "";
cellText = cell.getText();
CharSequence cs = cellText.subSequence(0,
cellText.length());
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(cs);
int startPosition = 0;
while (matcher.find(startPosition)) {
if (!al.contains(matcher.group())) {
al.add(matcher.group());
}
startPosition = matcher.end();
}
}
}
}
return al;
} else {
return null;
}
} else {
return null;
}
}
// 替换word中需要替换的特殊字符
public static boolean replaceAndGenerateWord(String srcPath, String destPath, Map<String, String> map) {
String[] sp = srcPath.split("\\.");
String[] dp = destPath.split("\\.");
if ((sp.length > 0) && (dp.length > 0)) {// 判断文件有无扩展名
// 比较文件扩展名
if (sp[sp.length - 1].equalsIgnoreCase("docx")) {
try {
XWPFDocument document = new XWPFDocument(POIXMLDocument.openPackage(srcPath));
// 替换段落中的指定文字
Iterator<XWPFParagraph> itPara = document.getParagraphsIterator();
while (itPara.hasNext()) {
XWPFParagraph paragraph = (XWPFParagraph) itPara.next();
List<XWPFRun> runs = paragraph.getRuns();
for (int i = 0; i < runs.size(); i++) {
String oneparaString = runs.get(i).getText(runs.get(i).getTextPosition());
for (Entry<String, String> entry : map.entrySet()) {
if(oneparaString.indexOf(entry.getKey())!=-1){
oneparaString = oneparaString.replace(entry.getKey(), entry.getValue());
runs.get(i).setText(oneparaString, 0);
}
}
}
}
// 替换表格中的指定文字
Iterator<XWPFTable> itTable = document.getTablesIterator();
while (itTable.hasNext()) {
XWPFTable table = (XWPFTable) itTable.next();
int rcount = table.getNumberOfRows();
for (int i = 0; i < rcount; i++) {
XWPFTableRow row = table.getRow(i);
List<XWPFTableCell> cells = row.getTableCells();
for (XWPFTableCell cell : cells) {
String cellTextString = cell.getText();
for (Entry<String, String> e : map.entrySet()) {
if (cellTextString.contains(e.getKey())) {
cellTextString = cellTextString.replace(e.getKey(),e.getValue());
cell.removeParagraph(0);
cell.setText(cellTextString);
cell.setColor(cell.getColor());
}
}
}
}
}
FileOutputStream outStream = null;
outStream = new FileOutputStream(destPath);
document.write(outStream);
outStream.close();
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
} else
// doc只能生成doc，如果生成docx会出错
if ((sp[sp.length - 1].equalsIgnoreCase("doc"))
&& (dp[dp.length - 1].equalsIgnoreCase("doc"))) {
HWPFDocument document = null;
try {
document = new HWPFDocument(new FileInputStream(srcPath));
Range range = document.getRange();
for (Entry<String, String> entry : map.entrySet()) {
range.replaceText(entry.getKey(), entry.getValue());
}
FileOutputStream outStream = null;
outStream = new FileOutputStream(destPath);
document.write(outStream);
outStream.close();
return true;
} catch (FileNotFoundException e) {
e.printStackTrace();
return false;
} catch (IOException e) {
e.printStackTrace();
return false;
}
} else {
return false;
}
} else {
return false;
}
}
}二：合并多个docx
public class WordMergeUtil {
public static void main (String[] args) throws Exception {
File newFile = new File("D:\\wdpj\\t.docx");
List<File> srcfile = new ArrayList<>();
// File file1 = new File("D:\\wdpj\\函.docx");
// File file2 = new File("D:\\wdpj\\1.docx");
File file1 = new File("D:\\wdpj\\2.docx");
File file2 = new File("D:\\wdpj\\3.docx");
File file3 = new File("D:\\wdpj\\函.docx");
// srcfile.add(file2);
// srcfile.add(file1);
srcfile.add(file1);
srcfile.add(file2);
srcfile.add(file3);
try {
OutputStream dest = new FileOutputStream(newFile);
ArrayList<XWPFDocument> documentList = new ArrayList<>();
XWPFDocument doc = null;
for (int i = 0; i < srcfile.size(); i++) {
FileInputStream in = new FileInputStream(srcfile.get(i).getPath());
OPCPackage open = OPCPackage.open(in);
XWPFDocument document = new XWPFDocument(open);
documentList.add(document);
}
for (int i = 0; i < documentList.size(); i++) {
doc = documentList.get(0);
if(i != 0){
documentList.get(i).createParagraph().setPageBreak(true);
appendBody(doc,documentList.get(i));
}
}
// doc.createParagraph().setPageBreak(true);
doc.write(dest);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void appendBody(XWPFDocument src, XWPFDocument append) throws Exception {
XWPFParagraph p = src.createParagraph();
//设置分页符
p.setPageBreak(true);
CTBody src1Body = src.getDocument().getBody();
CTBody src2Body = append.getDocument().getBody();
List<XWPFPictureData> allPictures = append.getAllPictures();
// 记录图片合并前及合并后的ID
Map<String,String> map = new HashMap();
for (XWPFPictureData picture : allPictures) {
String before = append.getRelationId(picture);
//将原文档中的图片加入到目标文档中
String after = src.addPictureData(picture.getData(), Document.PICTURE_TYPE_PNG);
map.put(before, after);
}
appendBody(src1Body, src2Body,map);
}
private static void appendBody(CTBody src, CTBody append,Map<String,String> map) throws Exception {
XmlOptions optionsOuter = new XmlOptions();
optionsOuter.setSaveOuter();
String appendString = append.xmlText(optionsOuter);
String srcString = src.xmlText();
String prefix = srcString.substring(0,srcString.indexOf(">")+1);
String mainPart = srcString.substring(srcString.indexOf(">")+1,srcString.lastIndexOf("<"));
String sufix = srcString.substring( srcString.lastIndexOf("<") );
String addPart = appendString.substring(appendString.indexOf(">") + 1, appendString.lastIndexOf("<"));
if (map != null && !map.isEmpty()) {
//对xml字符串中图片ID进行替换
for (Map.Entry<String, String> set : map.entrySet()) {
addPart = addPart.replace(set.getKey(), set.getValue());
}
}
//将两个文档的xml内容进行拼接
CTBody makeBody = CTBody.Factory.parse(prefix+mainPart+addPart+sufix);
src.set(makeBody);
}