java文档合并，在合并doc格式时报错Package should contain a content type part [M1.13]
代码如下（怀疑是只支持docx格式的文档，请问如何更改）
package com.common.utils;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.util.ZipSecureFile;
import org.apache.poi.xwpf.usermodel.Document;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFPictureData;
import org.apache.xmlbeans.XmlOptions;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTBody;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @Author mischen
* @Description 文件合并 只支持.docx
* @Date 2022/11/21 16:30
* @Version 1.0
*/
public class DocxMerge {
public static void main(String[] args) {
File file1 = new File("F:\\test1\\3.docx");
List<File> targetFile1 = new ArrayList<>();
targetFile1.add(new File("F:\\test1\\a.docx"));
targetFile1.add(new File("F:\\test1\\01-系统架构设计师教程（第4版）_划了重点.docx"));
appendDocx(file1, targetFile1);
System.out.println("合并成功！！！");
}
/**
* 把多个docx文件合并成一个
*
* @param outfile 输出文件
* @param targetFile 目标文件
*/
public static void appendDocx(File outfile, List<File> targetFile) {
try {
OutputStream dest = new FileOutputStream(outfile);
ArrayList<XWPFDocument> documentList = new ArrayList<>();
XWPFDocument doc = null;
for (int i = 0; i < targetFile.size(); i++) {
ZipSecureFile.setMinInflateRatio(-1.0d);
FileInputStream in = new FileInputStream(targetFile.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) {
//解决word合并完后，所有表格都紧紧挨在一起，没有分页。加上了分页符可解决
documentList.get(i).createParagraph().setPageBreak(true);
appendBody(doc, documentList.get(i));
}
}
doc.write(dest);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void appendBody(XWPFDocument src, XWPFDocument append) throws Exception {
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);
}
//这个代码主要解决合并word报错，解析抛出压缩炸弹
ZipSecureFile.setMinInflateRatio(-1.0d);
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("<"));
//下面这部分可以去掉，我加上的原因是合并的时候，有时候出现打不开的情况，对照document.xml将某些标签去掉就可以正常打开了
addPart = addPart.replaceAll("w14:paraId=\"[A-Za-z0-9]{1,10}\"", "");
addPart = addPart.replaceAll("w14:textId=\"[A-Za-z0-9]{1,10}\"", "");
addPart = addPart.replaceAll("w:rsidP=\"[A-Za-z0-9]{1,10}\"", "");
addPart = addPart.replaceAll("w:rsidRPr=\"[A-Za-z0-9]{1,10}\"", "");
addPart = addPart.replace("<w:headerReference r:id=\"rId8\" w:type=\"default\"/>","");
addPart = addPart.replace("<w:footerReference r:id=\"rId9\" w:type=\"default\"/>","");
addPart = addPart.replace("xsi:nil=\"true\"","");
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);
}
}
我写个demo
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.usermodel.Range;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
/**
* @author icepippip
* @Description 文件合并 支持.doc和.docx
* @date 2023/5/29 20:18
* @Version 1.0
*/
public class DocMerge {
public static void main(String[] args) throws IOException, InvalidFormatException {
File file1 = new File("F:\\test1\\3.docx");
List<File> targetFile1 = new ArrayList<>();
targetFile1.add(new File("F:\\test1\\a.docx"));
targetFile1.add(new File("F:\\test1\\01-系统架构设计师教程（第4版）_划了重点.doc"));
File outfile = new File("F:\\test1\\merged.docx");
mergeDocs(outfile, targetFile1);
System.out.println("合并成功！");
}
/**
* 合并多个doc和docx文件
*
* @param outfile 目标文件
* @param files 源文件列表
* @throws IOException
* @throws InvalidFormatException
*/
public static void mergeDocs(File outfile, List<File> files) throws IOException, InvalidFormatException {
OutputStream out = new FileOutputStream(outfile);
List<InputStream> streams = new ArrayList<>();
try {
for (File file : files) {
String fileName = file.getName();
InputStream in = new FileInputStream(file);
if (fileName.endsWith(".doc")) {
HWPFDocument doc = new HWPFDocument(in);
Range range = doc.getRange();
appendRange(out, range);
doc.close();
} else if (fileName.endsWith(".docx")) {
OPCPackage pkg = OPCPackage.open(in);
XWPFDocument doc = new XWPFDocument(pkg);
appendDocument(out, doc);
doc.close();
}
in.close();
}
} finally {
for (InputStream stream : streams) {
stream.close();
}
out.close();
}
}
/**
* 将一个HWPFDocument的Range追加到输出流中
*
* @param out 输出流
* @param range 范围
* @throws IOException
*/
public static void appendRange(OutputStream out, Range range) throws IOException {
out.write(range.serialize());
}
/**
* 将一个XWPFDocument追加到输出流中
*
* @param out 输出流
* @param doc 文档
* @throws IOException
*/
public static void appendDocument(OutputStream out, XWPFDocument doc) throws IOException {
doc.write(out);
}
}
pom 依赖如下
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.1.2</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>4.1.2</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml-schemas</artifactId>
<version>4.1.2</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-scratchpad</artifactId>
<version>4.1.2</version>
</dependency>