本文共 3581 字，大约阅读时间需要 11 分钟。
多个word合并代码
package com.pxxedu.question.exportword;
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;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xwpf.usermodel.BreakType;
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;
/**
* 合成word文档工具类
* @ClassName: CompoundWordUtil
*/
public class CompoundWordUtil {
public static void main (String[] args) throws Exception {
File newFile = new File("E:\\workspace\\idea\\pxxedu-question-repo\\src\\test\\java\\com\\pxxedu\\question\\ftl\\dest.docx");
List<File> srcfile = new ArrayList<>();
File file1 = new File("E:\\workspace\\idea\\pxxedu-question-repo\\src\\test\\java\\com\\pxxedu\\question\\ftl\\head.docx");
File file2 = new File("E:\\workspace\\idea\\pxxedu-question-repo\\src\\test\\java\\com\\pxxedu\\question\\ftl\\test.docx");
srcfile.add(file1);
srcfile.add(file2);
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){//首页直接分页，不再插入首页文档内容
// documentList.get(i).createParagraph().createRun().addBreak(BreakType.PAGE);
// appendBody(doc,documentList.get(i));
}else if(i == documentList.size()-1){//尾页不再分页，直接插入最后文档内容
appendBody(doc,documentList.get(i));
}else{
documentList.get(i).createParagraph().createRun().addBreak(BreakType.PAGE);
appendBody(doc,documentList.get(i));
}
}
doc.write(dest);
System.out.println("*****合成成功********");
} 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<String,String>();
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);
}
}
转载地址：http://eexei.baihongyu.com/