Question

是否可以使用Apache POI将MS Word转换为XML文件？

如果是的话，你能指点我做任何教程吗？

Answer 1

HWPF子项目的目的正是：处理Word文件。

http://poi.apache.org/hwpf/index.html

然后，要将数据转换为XML，您必须通过以下方式构建XML：StAX，JDOM，XStream ......

Apache提供了快速指南：

http://poi.apache.org/hwpf/quick-guide.html

我也发现：

http://sanjaal.com/java/tag/simple-java-tutorial-to-read-microsoft-document-in-java/

如果要处理docx文件，可能需要查看OpenXML4J子项目：

http://poi.apache.org/oxml4j/index.html

Answer 2

package com.govind.service;
import java.io.File;
import java.io.FileInputStream;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.apache.log4j.Logger;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.extractor.WordExtractor;
import org.apache.poi.hwpf.model.StyleDescription;
import org.apache.poi.hwpf.usermodel.CharacterRun;
import org.apache.poi.hwpf.usermodel.Range;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 * DOC to XML converter service
 * 
 * @author govind.sharma
 *
 */

public class DocToXmlConverter {
 static final Logger logger = Logger.getLogger(DocToXmlConverter.class);
 DocumentBuilderFactory docFactory = null;
 DocumentBuilder docBuilder = null;
 Element rootElement = null;
 Document docxml = null;
 boolean subHeaders = false;
 Element UrlElement = null;

 /**
  * @param path
  * @param fileName
  */
 public void processDocxToXml(String path, String fileName) {

  XWPFDocument xdoc = null;
  FileInputStream fis = null;

  String fullPath = path + "/" + fileName + ".docx";

  try {
   // Read file
   fis = new FileInputStream(fullPath);
   xdoc = new XWPFDocument(OPCPackage.open(fis));

   initializeXml();
   // get Document Body Paragraph content

   List < XWPFParagraph > paragraphList = xdoc.getParagraphs();
   for (XWPFParagraph paragraph: paragraphList) {

    String styleName = paragraph.getStyle();
    String paraText = paragraph.getParagraphText();
    String bulletsPoints = paragraph.getNumFmt();
    createXmlTags(styleName, paraText, bulletsPoints);

   }
   // write the content into XML file
   generateXml(path, fileName);
   logger.info("Doc to Xml Convertion completed.");

  } catch (Exception ex) {
   logger.error("Exception while generating XML from DOC" + ex.getMessage());
   System.exit(0);
  }
 }

 /**
  * @param path
  * @param fileName
  */
 public void processDocToXml(String path, String fileName) {
  HWPFDocument doc = null;

  String fullPath = path + "/" + fileName + ".doc";

  WordExtractor we = null;
  try {
   POIFSFileSystem fis = new POIFSFileSystem(new FileInputStream(fullPath));
   doc = new HWPFDocument(fis);

  } catch (Exception e) {
   logger.error("Unable to Read File..." + e.getMessage());
   System.exit(0);
  }
  try {
   we = new WordExtractor(doc);
   Range range = doc.getRange();

   initializeXml();

   String[] paragraphs = we.getParagraphText();

   for (int i = 0; i < paragraphs.length; i++) {
    org.apache.poi.hwpf.usermodel.Paragraph pr = range.getParagraph(i);

    int j = 0;
    while (true) {
     CharacterRun run = pr.getCharacterRun(j++);

     StyleDescription style = doc.getStyleSheet().getStyleDescription(run.getStyleIndex());
     String styleName = style.getName();
     String paraText = run.text();
     String bulletsPoints = null;

     createXmlTags(styleName, paraText, bulletsPoints);

     if (run.getEndOffset() == pr.getEndOffset()) {
      break;
     }
    }
   }

   generateXml(path, fileName);

   logger.info("Document to Xml Convertion completed.");
  } catch (Exception ex) {
   logger.error("Exception while generating XML from DOC" + ex.getMessage());
   System.exit(0);
  }
 }

 /**
  * 
  */
 private void initializeXml() {

  // initialize XML Document
  try {
   docFactory = DocumentBuilderFactory.newInstance();
   docBuilder = docFactory.newDocumentBuilder();
   docxml = docBuilder.newDocument();

   rootElement = docxml.createElement("ROOT");
   docxml.appendChild(rootElement);
  } catch (ParserConfigurationException e) {
   logger.error("Exception while initializing XML" + e.getMessage());
  }

 }

 /**
  * @param styleName
  * @param paragraphText
  * @param bulletsPoints
  */
 private void createXmlTags(String styleName, String paragraphText, String bulletsPoints) {

  // create XML Tags

  if (styleName != null && paragraphText.length() > 1) {
   if (styleName.equalsIgnoreCase("Style4")) {
    Element pragElement = docxml.createElement("TITLE");
    pragElement.appendChild(docxml.createTextNode(paragraphText.trim()));
    rootElement.appendChild(pragElement);
    subHeaders = true;
   } else if (styleName.equalsIgnoreCase("Default")) {
    Element pragElement = docxml.createElement("P");
    pragElement.appendChild(docxml.createTextNode(paragraphText));
    rootElement.appendChild(pragElement);
    subHeaders = true;
   } else if (styleName.equalsIgnoreCase("Normal")) {
    Element pragElement = docxml.createElement("P");
    pragElement.appendChild(docxml.createTextNode(paragraphText));
    rootElement.appendChild(pragElement);
    subHeaders = true;
   } else if (styleName.equalsIgnoreCase("BodyCopy") && bulletsPoints != null) {
    Element pragElement = docxml.createElement("LI");
    pragElement.appendChild(docxml.createTextNode(paragraphText));
    UrlElement.appendChild(pragElement);
    subHeaders = false;
   } else if (styleName.equalsIgnoreCase("BodyCopy")) {
    Element pragElement = docxml.createElement("PS");
    pragElement.appendChild(docxml.createTextNode(paragraphText));
    rootElement.appendChild(pragElement);
    subHeaders = true;
   } else if (styleName.equalsIgnoreCase("ListParagraph")) {
    Element pragElement = docxml.createElement("LI");
    pragElement.appendChild(docxml.createTextNode(paragraphText));
    UrlElement.appendChild(pragElement);
    subHeaders = false;
   } else if (styleName.equalsIgnoreCase("Subheader1")) {
    UrlElement = docxml.createElement("UL");

    Element pragElement = docxml.createElement("LI");
    pragElement.appendChild(docxml.createTextNode(paragraphText));
    UrlElement.appendChild(pragElement);
    rootElement.appendChild(UrlElement);
    subHeaders = false;

   } else {
    Element pragElement = docxml.createElement("PS");
    pragElement.appendChild(docxml.createTextNode(paragraphText));
    rootElement.appendChild(pragElement);
    subHeaders = true;
   }

  } else if (paragraphText.trim().length() > 1) {
   Element pragElement = docxml.createElement("P");
   pragElement.appendChild(docxml.createTextNode(paragraphText));
   rootElement.appendChild(pragElement);
   subHeaders = true;
  }

  if (subHeaders) {
   Element pragElement = docxml.createElement("NEWLINE");
   pragElement.appendChild(docxml.createTextNode(""));
   rootElement.appendChild(pragElement);
  }
 }

 /**
  * @param path
  * @param fileName
  */
 private void generateXml(String path, String fileName) {
  try {
   // write the content into xml file
   TransformerFactory transformerFactory = TransformerFactory.newInstance();
   Transformer transformer = transformerFactory.newTransformer();
   transformer.setOutputProperty(OutputKeys.METHOD, "xml");
   transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
   transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
   transformer.setOutputProperty(OutputKeys.INDENT, "yes");
   transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");

   DOMSource source = new DOMSource(docxml);

   StreamResult result = new StreamResult(new File(path + "/" + fileName + ".xml"));
   transformer.transform(source, result);
  } catch (Exception e) {
   logger.error("Exception while generating XML" + e.getMessage());
  }
 }

}

是否可以使用Apache POI解析MS Word并将其转换为XML？

2 个答案: