合并.doc和docx格式的Word文件

注：摘录自 https://www.cnblogs.com/shenzhouyh/articles/7243805.html

之前用过jacob 合并.doc,但是这种只能在windows环境使用，所以弃用了，下面这种方法打开word是html格式的

我遇到的问题是下载并合并附件，这里的附件大多是doc文件，也包含少量的docx文件，但是文件路径是从数据库中读取出来的，均不带后缀名，传统的xwpfdocument和hwpfdocument不能完全解决我的问题；尤其是将文件合并，不能轻易办到，需要对文档进行解析。

这里我采用的方法是将Word文件转换为HTML文件，把Word的合并转化为HTML的合并；这样一来就减少了难度，不过就是还需要再把HTML文件转化为doc文件或者docx文件（此时，你就可以指定是哪种文件了）。

在转换的时候，分两个方向，一个是doc文件转换，另一个是docx文件转换；这里的转换时必须包含文档中的格式的（图片和表格我这里没有进行测试）。如果是没有文件后缀，那么就需要先判断是doc文件还是docx文件，这里用到了一个工具类，就是通过文件的文件头来判断文件类型，因为我这里只是为了区别doc和docx，所以就比较了前四位的16进制数，按照if和else来走两条转换路线。（具体文件的文件头可上网查资料，各种文件都有）。

转换doc文件的时候，是按照字符读取的，判断每个字符的字体颜色和样式，将其转换为HTML的代码，最后应该是整个稳当的HTML的字符串的累加，因为我这里是合并，所以我使用for循环进行了文件主体的叠加，最后在循环的外面加上HTML的头部和尾部信息即可。除此之外，根据需求，需要在不同文档之间插入分页符，分页符用HTML代码可以表示，"<br clear=all style='page-break-before:always' mce_style='page-break-before:always'> "；需要的直接添加即可。

然后是docx文件的转换，这里的就不像doc文件可以按照每个字符来读了，而是将整个文档直接转换为HTML文件，通过打印字符串可以得知，转换出来的HTML代码就是一个大的div，如果直接使用这个代码，合并的时候格式就不统一了，所以需要将图中的style样式去掉，直接用字符串截取，并加上一个空的<div>即可。

最后，再将HTML文件转为doc或者docx，可以将路径放在服务器上面，并且实现下载就行（建议每次下载完之后将该文件清空，可以循环利用）。详细代码如下。

package com.landray.kmss.km.doc.util;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.io.OutputStreamWriter;

import java.util.ArrayList;

import java.util.List;

import org.apache.poi.hwpf.HWPFDocument;

import org.apache.poi.hwpf.model.PicturesTable;

import org.apache.poi.hwpf.usermodel.CharacterRun;

import org.apache.poi.hwpf.usermodel.Paragraph;

import org.apache.poi.hwpf.usermodel.Picture;

import org.apache.poi.hwpf.usermodel.Range;

import org.apache.poi.hwpf.usermodel.Table;

import org.apache.poi.hwpf.usermodel.TableCell;

import org.apache.poi.hwpf.usermodel.TableIterator;

import org.apache.poi.hwpf.usermodel.TableRow;

import org.apache.poi.xwpf.usermodel.XWPFDocument;

public class WordExcelToHtml {

/**

* 回车符ASCII码

private static final short ENTER_ASCII = 13;

/**

* 空格符ASCII码

private static final short SPACE_ASCII = 32;

/**

* 水平制表符ASCII码

private static final short TABULATION_ASCII = 9;

// public static String htmlText = "";

public static String mainText = "";

public static String htmlTextTbl = "";

public static int counter = 0;

public static int beginPosi = 0;

public static int endPosi = 0;

public static int beginArray[];

public static int endArray[];

public static String htmlTextArray[];

public static boolean tblExist = false;

public static void main(String argv[]) {

try {

String htmlText = "<html><head><meta http-equiv='Content-Type' content='text/html; charset=utf-8' />"

+ "</head><body>"; //将每一个Word中的主体部分拿出来，合并之后加上HTML的头和尾，但是要注意编码

List<String> list = new ArrayList<String>();

String file1 = "D://file8";

String file2 = "D://file9";

String file3 = "D://file11";

list.add(file1);

list.add(file2);

list.add(file3);

// String mainText1 = "";

for (int i = 0; i < list.size(); i++) {

htmlText += getWordAndStyle(list.get(i))

+ "<br clear=all style='page-break-before:always' mce_style='page-break-before:always'> ";

//每一个文档读取完之后，加上一个分页符，继续累加

}

htmlText += "</body></html>";

String filePath = "D://1.html";

writeFile(htmlText, filePath);

new HtmlToDoc().writeWordFile(filePath, "D://file10.doc");

} catch (Exception e) {

e.printStackTrace();

}

/**

* 读取每个文字样式

* @param fileName

* @throws Exception

public static String getWordAndStyle(String fileName) throws Exception {

String htmlText = "";

FileInputStream in = new FileInputStream(new File(fileName));

//根据文本内容判断是doc还是docx

byte[] b = new byte[4];

in.read(b, 0, b.length);

in.close();

FileInputStream in1 = new FileInputStream(new File(fileName));

System.out.println(bytesToHexString(b) + ";;;");

if (bytesToHexString(b).equalsIgnoreCase("d0cf11e0")) {//"d0cf11e0"代表的是doc文件

HWPFDocument doc = new HWPFDocument(in1);

Range rangetbl = doc.getRange();// 得到文档的读取范围

TableIterator it = new TableIterator(rangetbl);

int num =1;

beginArray = new int[num];

endArray = new int[num];

htmlTextArray = new String[num];

readTable(it, rangetbl);

// 取得文档中字符的总数

int length = doc.characterLength();

// 创建图片容器;

PicturesTable pTable = doc.getPicturesTable();

int cur = 0;

String tempString = "";

for (int i = 0; i < length - 1; i++) {

// 整篇文章的字符通过一个个字符的来判断,range为得到文档的范围

Range range = new Range(i, i + 1, doc);

CharacterRun cr = range.getCharacterRun(0);

if (tblExist && cur < beginArray.length) {

if (i == beginArray[cur]) {

htmlText += tempString + htmlTextArray[cur];

tempString = "";

i = endArray[cur] - 1;

cur++;

continue;

}

if (pTable.hasPicture(cr)) {

//htmlText += tempString;
// 读写图片
tempString = readPicture(pTable, cr);
//tempString = "";
htmlText += tempString;

} else {

Range range2 = new Range(i + 1, i + 2, doc);

// 第二个字符

CharacterRun cr2 = range2.getCharacterRun(0);

char c = cr.text().charAt(0);

// 判断是否为回车符

if (c == ENTER_ASCII) {

tempString += "<br/>";

}

// 判断是否为空格符

else if (c == SPACE_ASCII)

tempString += " ";

// 判断是否为水平制表符

else if (c == TABULATION_ASCII)

tempString += " ";

// 比较前后2个字符是否具有相同的格式

boolean flag = compareCharStyle(cr, cr2);

String fontStyle = "<span class='text' style=\"font-family:"

+ cr.getFontName()

+ ";font-size:"

+ cr.getFontSize()

/ 2

+ "pt;color:"

+ ColorUtils.getHexColor(cr.getIco24()) + ";";

if (cr.isBold())

fontStyle += "font-weight:bold;";

if (cr.isItalic())

fontStyle += "font-style:italic;";

htmlText += fontStyle + "\" mce_style=\"font-family:"

+ cr.getFontName() + ";font-size:"

+ cr.getFontSize() / 2 + "pt;";

if (cr.isBold())

fontStyle += "font-weight:bold;";

if (cr.isItalic())

fontStyle += "font-style:italic;";

htmlText += fontStyle + "\">" + tempString + cr.text()

+ "</span>";

tempString = "";

}

htmlText += tempString;

return htmlText;

} else {

Word2007ToHtml w = new Word2007ToHtml();

String filepath = "";

String fileName1 = fileName;

String htmlName = "D://3.html";

w.Word2007ToHtml(fileName1, htmlName);

String result = w.readFileByBytes(htmlName);

int i = result.indexOf('>');

String realreasult = "<div>"+result.substring(i+1);

System.out.println(realreasult);

htmlText += realreasult;

return htmlText;

}

/**

* 读写文档中的表格

* @param pTable

* @param cr

* @throws Exception

public static void readTable(TableIterator it, Range rangetbl)

throws Exception {

htmlTextTbl = "";

// 迭代文档中的表格

counter = -1;

while (it.hasNext()) {

tblExist = true;

htmlTextTbl = "";

Table tb = (Table) it.next();

beginPosi = tb.getStartOffset();

endPosi = tb.getEndOffset();

System.out.println("............" + beginPosi + "...." + endPosi);

counter = counter + 1;

// 迭代行，默认从0开始

beginArray[counter] = beginPosi;

endArray[counter] = endPosi;

htmlTextTbl += "<table border='1'>";

for (int i = 0; i < tb.numRows(); i++) {

TableRow tr = tb.getRow(i);

htmlTextTbl += "<tr >";

// 迭代列，默认从0开始

for (int j = 0; j < tr.numCells(); j++) {

TableCell td = tr.getCell(j);// 取得单元格

int cellWidth = td.getWidth();

// 取得单元格的内容

for (int k = 0; k < td.numParagraphs(); k++) {

Paragraph para = td.getParagraph(k);

String s = para.text().toString().trim();

if (s == "") {

s = " ";

}

System.out.println(s);

htmlTextTbl += "<td class='text' width=" + cellWidth

+ ">" + s + "</td>";

System.out.println(i + ":" + j + ":" + cellWidth + ":"

+ s);

} // end for

htmlTextTbl += "</table>";

htmlTextArray[counter] = htmlTextTbl;

} // end while

}

/**

* 读写文档中的图片

* @param pTable

* @param cr

* @throws Exception

public static void readPicture(PicturesTable pTable, CharacterRun cr)

throws Exception {

// 提取图片

Picture pic = pTable.extractPicture(cr, false);

// 返回POI建议的图片文件名

String afileName = pic.suggestFullFileName();

OutputStream out = new FileOutputStream(new File("e://test"

+ File.separator + afileName));

pic.writeImageContent(out);

// htmlText += "<img src=\"e://test//" + afileName

// + "\" mce_src=\"e://test//" + afileName + "\"/>";

}

public static boolean compareCharStyle(CharacterRun cr1, CharacterRun cr2) {

boolean flag = false;

if (cr1.isBold() == cr2.isBold() && cr1.isItalic() == cr2.isItalic()

&& cr1.getFontName().equals(cr2.getFontName())

&& cr1.getFontSize() == cr2.getFontSize()) {

flag = true;

}

return flag;

}

/**

* 写文件

* @param s

public static void writeFile(String s, String filePath) {

FileOutputStream fos = null;

BufferedWriter bw = null;

try {

File file = new File(filePath);

fos = new FileOutputStream(file);

bw = new BufferedWriter(new OutputStreamWriter(fos));

bw.write(s);

} catch (FileNotFoundException fnfe) {

fnfe.printStackTrace();

} catch (IOException ioe) {

ioe.printStackTrace();

} finally {

try {

if (bw != null)

bw.close();

if (fos != null)

fos.close();

} catch (IOException ie) {

}

// 判断文件类型

public static String bytesToHexString(byte[] src) {

StringBuilder stringBuilder = new StringBuilder();

if (src == null || src.length <= 0) {

return null;

}

for (int i = 0; i < src.length; i++) {

int v = src[i] & 0xFF;

String hv = Integer.toHexString(v);

if (hv.length() < 2) {

stringBuilder.append(0);

}

stringBuilder.append(hv);

}

return stringBuilder.toString();

}

获取字体颜色的工具类：

package com.landray.kmss.km.doc.util;

public class ColorUtils {

public static int red( int c) {

return c & 0XFF;

}

public static int green( int c) {

return (c >> 8) & 0XFF;

}

public static int blue( int c) {

return (c >> 16) & 0XFF;

}

public static int rgb( int c) {

return ( red(c) << 16) | ( green(c) <<8) | blue(c);

}

public static String rgbToSix(String rgb) {

int length = 6 - rgb.length();

String str = "";

while(length > 0){

str += "0";

length--;

}

return str + rgb;

}

public static String getHexColor( int color) {

color = color == -1 ? 0 : color;

int rgb = rgb(color);

return "#" + rgbToSix(Integer. toHexString(rgb));

}

将HTML文件转换为doc文件：

package com.landray.kmss.km.doc.util;

import java.io.BufferedReader;

import java.io.ByteArrayInputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.nio.charset.Charset;

import org.apache.poi.poifs.filesystem.DirectoryEntry;

import org.apache.poi.poifs.filesystem.DocumentEntry;

import org.apache.poi.poifs.filesystem.POIFSFileSystem;

//将docx文件转为HTML

package com.landray.kmss.km.doc.util;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.io.Reader;

import org.apache.poi.xwpf.usermodel.XWPFDocument;

import org.apache.poi.xwpf.converter.core.FileImageExtractor;

import org.apache.poi.xwpf.converter.core.FileURIResolver;

import org.apache.poi.xwpf.converter.xhtml.XHTMLConverter;

import org.apache.poi.xwpf.converter.xhtml.XHTMLOptions;

import org.junit.Test;

public class Word2007ToHtml{

@Test

public void Word2007ToHtml(String fileName,String htmlName) throws IOException {

final String file = fileName;

File f = new File(file);

if (!f.exists()) {

System.out.println("Sorry File does not Exists!");

} else {

// ) 加载word文档生成 XWPFDocument对象

InputStream in = new FileInputStream(f);

XWPFDocument document = new XWPFDocument(in);

// ) 解析 XHTML配置 (这里设置IURIResolver来设置图片存放的目录)

File imageFolderFile = new File("D://");

XHTMLOptions options = XHTMLOptions.create().URIResolver(new FileURIResolver(imageFolderFile));

options.setExtractor(new FileImageExtractor(imageFolderFile));

options.setIgnoreStylesIfUnused(false);

options.setFragment(true);

// ) 将 XWPFDocument转换成XHTML

File file1 = new File(htmlName);

OutputStream out = new FileOutputStream(file1);

XHTMLConverter.getInstance().convert(document, out, options);

//也可以使用字符数组流获取解析的内容

// ByteArrayOutputStream baos = new ByteArrayOutputStream();

// XHTMLConverter.getInstance().convert(document, baos, options);

// String content = baos.toString();

// System.out.println(content);

// baos.close();

}

public static void main(String[] args) throws IOException {

Word2007ToHtml w = new Word2007ToHtml();

String fileName = "D://file1.docx";

String htmlName = "D://3.html";

w.Word2007ToHtml(fileName,htmlName);

String result = readFileByBytes(htmlName);

System.out.println(result);

}

public static String readFileByBytes(String fileName) {

String s="";

File file = new File(fileName);

Reader reader = null;

try {

//System.out.println("以字符为单位读取文件内容，一次读一个字节：");

// 一次读一个字符

reader = new InputStreamReader(new FileInputStream(file),"utf-8");

int tempchar;

while ((tempchar = reader.read()) != -1) {

// 对于windows下，\r\n这两个字符在一起时，表示一个换行。

// 但如果这两个字符分开显示时，会换两次行。

// 因此，屏蔽掉\r，或者屏蔽\n。否则，将会多出很多空行。

if (((char) tempchar) != '\r') {

s +=(char) tempchar;

}

reader.close();

} catch (Exception e) {

e.printStackTrace();

}

return s;

}

/** * 将html文档转为doc * @author soildwang * */

public class HtmlToDoc {

/**

* 读取html文件到word *

* @param filepath html文件的路径 * @return

* * @throws Exception */

public boolean writeWordFile(String filepath,String outfile) throws Exception {

boolean flag = false;

ByteArrayInputStream bais = null;

FileOutputStream fos = null;

//String outfile = "D://file8.doc"; //根据实际情况写路径

try {

if (!"".equals(outfile)) {

File fileDir = new File(outfile);

if (fileDir.exists()) {

String content = readFile(filepath);

byte b[] = content.getBytes();

bais = new ByteArrayInputStream(b);

POIFSFileSystem poifs = new POIFSFileSystem();

DirectoryEntry directory = poifs.getRoot();

DocumentEntry documentEntry = directory.createDocument("WordDocument", bais);

fos = new FileOutputStream(outfile);

poifs.writeFilesystem(fos);

bais.close();

fos.close();

}

} catch (IOException e) {

e.printStackTrace();

} finally {

if(fos != null) fos.close();

if(bais != null) bais.close();

} return flag;

}

/**

* * 读取html文件到字符串 * @param filename

* * @return * @throws Exception

* */

public String readFile(String filename) throws Exception {

StringBuffer buffer = new StringBuffer("");

BufferedReader br = null;

try {

br = new BufferedReader(new InputStreamReader(new FileInputStream(new File(filename)),Charset.forName("utf-8")));

buffer = new StringBuffer();

while (br.ready())

buffer.append((char) br.read());

} catch (Exception e) {

e.printStackTrace();

} finally {

if(br!=null) br.close();

}

return buffer.toString();

}

//局部测试

public static void main(String[] args) throws Exception {

new HtmlToDoc().writeWordFile("d://1.html","D://file8.doc");//根据实际情况写文件路径

}

合并.doc和docx格式的Word文件

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