java将excel转换为HTML

1.Maven工程中主要添加的依赖

 

                        <!--处理excel、word-->
			<dependency>
				<groupId>org.apache.poi</groupId>
				<artifactId>poi</artifactId>
				<version>3.10-FINAL</version>
				<type>jar</type>
				<scope>compile</scope>
			</dependency>
			<dependency>
				<groupId>org.apache.poi</groupId>
				<artifactId>poi-ooxml</artifactId>
				<version>3.10-FINAL</version>
				<type>jar</type>
			</dependency>
			<dependency>
				<groupId>org.apache.poi</groupId>
				<artifactId>poi-ooxml-schemas</artifactId>
				<version>3.10-FINAL</version>
				<type>jar</type>
				<scope>compile</scope>
			</dependency>
			<dependency>
				<groupId>org.apache.poi</groupId>
				<artifactId>poi-scratchpad</artifactId>
				<version>3.10-FINAL</version>
				<type>jar</type>
				<scope>compile</scope>
			</dependency>
                        <!--处理CSV-->
			<dependency>
				<groupId>net.sourceforge.javacsv</groupId>
				<artifactId>javacsv</artifactId>
				<version>2.0</version>
			</dependency>

 2.直接上代码

 

import java.io.BufferedOutputStream;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.net.URISyntaxException;
import java.util.List;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.apache.commons.io.output.ByteArrayOutputStream;
import org.apache.log4j.Logger;
import org.apache.poi.hssf.converter.ExcelToHtmlConverter;
import org.apache.poi.hssf.usermodel.HSSFPictureData;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import org.w3c.dom.Document;

/**
 * java将excel转换为HTML
 * @author [e-mail]
 */
public class Excel2Html {
	private static final Logger logger = Logger.getLogger(Excel2Html.class.getName());
	private static final String DEFAULT_PICTURE_FOLDER = "pictures";
	private static final String DEFAULT_HTML_TYPE = ".html";// 默认转换的HTML文件后缀

	public static void main(String[] args) {
		File outputFolder = null;
		File outputPictureFolder = null;
		try {
			// 转换后HTML文件存放位置
			outputFolder = new File(Excel2Html.class.getResource("").toURI());
			if (null != outputFolder) {
				// 转换后原excel中图片存放位置
				String outputPictureFolderPath = outputFolder.getAbsolutePath()
						+ File.separator + DEFAULT_PICTURE_FOLDER;
				outputPictureFolder = new File(outputPictureFolderPath);
				outputPictureFolder.mkdir();
			}
		} catch (URISyntaxException e1) {

		}
		try {
			// 被转换的excel文件
			File convertedWordFile = new File(
					"C://Users//Lenovo//Desktop//java将excel转换为HTML.xls");
			convert2Html(convertedWordFile, outputFolder, outputPictureFolder);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public static void writeFile(String content, String path) {
		FileOutputStream fos = null;
		BufferedWriter bw = null;
		try {
			File file = new File(path);
			fos = new FileOutputStream(file);
			bw = new BufferedWriter(new OutputStreamWriter(fos, "UTF-8"));
			bw.write(content);
		} 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) {
			}
		}
	}

	public static Workbook getWorkbook(File file) {
		Workbook workbook = null;
		try {
			if (null != file && file.exists()) {
				workbook = WorkbookFactory.create(file);
			}
		} catch (IOException e) {
			logger.error("IOException in getWorkbook:", e);
		} catch (InvalidFormatException e) {
			logger.error("InvalidFormatException in getWorkbook:", e);
		}
		return workbook;
	}

	/**
	 * @param excelFile 被转换的word文件
	 * @param outputFolder 转换后HTML文件存放位置
	 * @param outputPictureFolder 转换后原word中图片存放位置
	 * @throws TransformerException
	 * @throws IOException
	 * @throws ParserConfigurationException
	 */
	public static void convert2Html(File excelFile, File outputFolder,
			final File outputPictureFolder) throws TransformerException,
			IOException, ParserConfigurationException {
		// 创建excel ExcelToHtmlConverter对象
		ExcelToHtmlConverter excelToHtmlConverter = new ExcelToHtmlConverter(
				DocumentBuilderFactory.newInstance().newDocumentBuilder()
						.newDocument());
		excelToHtmlConverter.setOutputColumnHeaders(false);
		excelToHtmlConverter.setOutputRowNumbers(false);
		
		// 创建POI工作薄对象
		HSSFWorkbook workbook = (HSSFWorkbook) getWorkbook(excelFile);
		excelToHtmlConverter.processWorkbook(workbook);

		Document htmlDocument = excelToHtmlConverter.getDocument();
		ByteArrayOutputStream out = new ByteArrayOutputStream();
		DOMSource domSource = new DOMSource(htmlDocument);
		StreamResult streamResult = new StreamResult(out);

		TransformerFactory tf = TransformerFactory.newInstance();
		Transformer serializer = tf.newTransformer();
		serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
		serializer.setOutputProperty(OutputKeys.INDENT, "yes");
		serializer.setOutputProperty(OutputKeys.METHOD, "html");
		serializer.transform(domSource, streamResult);

		writePicures(workbook.getAllPictures(), outputPictureFolder.getAbsolutePath()+ File.separator );
		writeFile(new String(out.toByteArray()), outputFolder.getAbsolutePath()
				+ File.separator + excelFile.getName() + DEFAULT_HTML_TYPE);
		out.close();
	}

	public static void writePicures(List<HSSFPictureData> pics,String picturesFolder)
			throws IOException {
		if (pics != null) {
			int count = 0;
			for (int i = 0; i < pics.size(); i++) {
				HSSFPictureData picData = pics.get(i);
				if (null == picData) {
					continue;
				}
				byte[] bytes = picData.getData();
				FileOutputStream output = new FileOutputStream(picturesFolder + count
						+ "." + picData.suggestFileExtension());
				BufferedOutputStream writer = new BufferedOutputStream(output);
				writer.write(bytes);
				writer.flush();
				writer.close();
				output.close();
				count++;
			}
		}
	}
}

 

 3.excel文件截图

 

 

 

 4.HTML文件截图

 

 

 5.唯一的遗憾是：转换后的HTML中目前没找到办法关联上图片