apache POI读取word文档的文档比较少,所以只有自己慢慢的摸索,这篇文章也属于比较基础入门的,主要是针对读取word中的图片,以及文字的各种样式,如有不好的地方,请各位多多指教!
- /**
- *
- */
- package com.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 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.Picture;
- import org.apache.poi.hwpf.usermodel.Range;
- /**
- *
- * @author 张廷 下午10:36:40
- *
- */
- public class WordToHtml {
- /**
- * 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;
- private String htmlText = "";
- /**
- * 读取每个文字样式
- *
- * @param fileName
- * @throws Exception
- */
- public void getWordAndStyle(String fileName) throws Exception {
- FileInputStream in = new FileInputStream(new File(fileName));
- HWPFDocument doc = new HWPFDocument(in);
- // 取得文档中字符的总数
- int length = doc.characterLength();
- // 创建图片容器
- PicturesTable pTable = doc.getPicturesTable();
- htmlText = "<html><head><title>" + doc.getSummaryInformation().getTitle() + "</title></head><body>";
- // 创建临时字符串,好加以判断一串字符是否存在相同格式
- 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 (pTable.hasPicture(cr)) {
- // 读写图片
- this.readPicture(pTable, cr);
- } else {
- Range range2 = new Range(i + 1, i + 2, doc);
- // 第二个字符
- CharacterRun cr2 = range2.getCharacterRun(0);
- // 当前字符
- char currentChar = cr.text().charAt(0);
- // 判断是否为回车符
- if (currentChar == ENTER_ASCII)
- tempString += "<br/>";
- // 判断是否为空格符
- else if (currentChar == SPACE_ASCII)
- tempString += " ";
- // 判断是否为水平制表符
- else if (currentChar == 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 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;";
- if (flag && i != length - 2)
- tempString += currentChar;
- else if (!flag) {
- htmlText += fontStyle + "'>" + tempString + currentChar + "</span>";
- tempString = "";
- } else
- htmlText += fontStyle + "'>" + tempString + currentChar + "</span>";
- }
- htmlText += "</body></html>";
- this.writeFile(htmlText);
- }
- /**
- * 读写文档中的图片
- *
- * @param pTable
- * @param cr
- * @throws Exception
- */
- private 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("g:\\test" + File.separator + afileName));
- pic.writeImageContent(out);
- htmlText += "<img src='g:\\test\\" + afileName + "'/>";
- }
- private 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
- */
- private void writeFile(String s) {
- FileOutputStream fos = null;
- BufferedWriter bw = null;
- try {
- File file = new File("g:\\abc.html");
- 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) {
- }
- }
- }
- }
- 转载出处http://z276356445t.iteye.com/blog/963950 目前poi不能用于android平台 我试验了很多次 都报异常错误