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推荐2个免费在线预览word，xlsx，pdf地址

第一：https://docs.google.com/viewer?url=‘’
第二：https://view.officeapps.live.com/op/view.aspx?src=https://www.it610.com/article/‘’
url和src上的地址必须是公共资源
备注：如果是内网，不能提供外网的话。推荐使用资源切成图片后，拼接成html前端展示
附上各种格式转换image图片并且生成html
Excel

package com.gov.dna.grade.common.poi; import org.apache.poi.hssf.converter.ExcelToHtmlConverter; import org.apache.poi.hssf.usermodel.*; import org.apache.poi.hssf.util.HSSFColor; import org.apache.poi.ss.usermodel.*; import org.apache.poi.ss.util.CellRangeAddress; import org.apache.poi.xssf.usermodel.XSSFCellStyle; import org.apache.poi.xssf.usermodel.XSSFColor; import org.apache.poi.xssf.usermodel.XSSFFont; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import javax.xml.parsers.DocumentBuilderFactory; 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 java.io.*; import java.text.DecimalFormat; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.Map; /** * @Auther: xiaodaiyu * @Date: 2018/11/14 9:53 * @Description: */ public class Excel2Html {/*public static void main(String[] args) { //excel2003ToHtml("D:\\Test\\s1.xls", "D:\\Test\\s1.html", "GBK"); writeFile("D:\\Test\\s1.xls"); }*/public static void writeFile(String filePath) { try { String html = filePath.replace("xlsx", "").replace("xls", "") + "html"; File writeName = new File(html); writeName.createNewFile(); try (FileWriter writer = new FileWriter(writeName); BufferedWriter out = new BufferedWriter(writer) ) { out.write(excel2Html(filePath, true)); out.flush(); } } catch (IOException e) { e.printStackTrace(); } }/** * excel2003转存html * * @param excelFilePath excel路径 * @param htmlFilePathhtml路径 * @param encoding编码格式 */ public static void excel2003ToHtml(String excelFilePath, String htmlFilePath, String encoding) { File excelFile = new File(excelFilePath); File htmlFile = new File(htmlFilePath); if (htmlFile.exists() && htmlFile.canRead()) return; File htmlFileParent = new File(htmlFile.getParent()); InputStream is = null; OutputStream out = null; StringWriter writer = null; try { if (excelFile.exists()) { if (!htmlFileParent.exists()) { htmlFileParent.mkdirs(); } is = new FileInputStream(excelFile); HSSFWorkbook workBook = new HSSFWorkbook(is); ExcelToHtmlConverter converter = new ExcelToHtmlConverter(DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument()); converter.setOutputColumnHeaders(false); converter.setOutputRowNumbers(false); converter.processWorkbook(workBook); writer = new StringWriter(); Transformer serializer = TransformerFactory.newInstance().newTransformer(); serializer.setOutputProperty(OutputKeys.ENCODING, encoding); serializer.setOutputProperty(OutputKeys.INDENT, "yes"); serializer.setOutputProperty(OutputKeys.METHOD, "html"); serializer.transform(new DOMSource(converter.getDocument()), new StreamResult(writer)); out = new FileOutputStream(htmlFile); out.write(writer.toString().getBytes(encoding)); out.flush(); } } catch (Exception e) { e.printStackTrace(); } finally { if (is != null) { try { is.close(); } catch (IOException e) { e.printStackTrace(); } is = null; } if (out != null) { try { out.close(); } catch (IOException e) { e.printStackTrace(); } out = null; } if (writer != null) { try { writer.close(); } catch (IOException e) { e.printStackTrace(); } writer = null; } } }/** * 程序入口方法 * @param filePath 文件的路径 * @param isWithStyle 是否需要表格样式 包含 字体 颜色 边框 对齐方式 * @return ...
字符串 */ public static String excel2Html(String filePath , boolean isWithStyle){InputStream is = null; String htmlExcel = null; try { File sourcefile = new File(filePath); is = new FileInputStream(sourcefile); Workbook wb = WorkbookFactory.create(is); if (wb instanceof XSSFWorkbook) { XSSFWorkbook xWb = (XSSFWorkbook) wb; htmlExcel = Excel2Html.getExcelInfo(xWb,isWithStyle); }else if(wb instanceof HSSFWorkbook){ HSSFWorkbook hWb = (HSSFWorkbook) wb; htmlExcel = Excel2Html.getExcelInfo(hWb,isWithStyle); } } catch (Exception e) { e.printStackTrace(); }finally{ try { is.close(); } catch (IOException e) { e.printStackTrace(); } } return htmlExcel; }public static String getExcelInfo(Workbook wb, boolean isWithStyle){StringBuffer sb = new StringBuffer(); sb.append("预览"); for(int i=0; i map[] = getRowSpanColSpanMap(sheet); sb.append(""); Row row = null; //兼容 Cell cell = null; //兼容for (int rowNum = sheet.getFirstRowNum(); rowNum <= lastRowNum; rowNum++) { row = sheet.getRow(rowNum); if (row == null) { sb.append(""); continue; } sb.append(""); int lastColNum = row.getLastCellNum(); for (int colNum = 0; colNum < lastColNum; colNum++) { cell = row.getCell(colNum); if (cell == null) {//特殊情况 空白的单元格会返回null sb.append(""); continue; }String stringValue = https://www.it610.com/article/getCellValue(cell); if (map[0].containsKey(rowNum +"," + colNum)) { String pointString = map[0].get(rowNum + "," + colNum); map[0].remove(rowNum + "," + colNum); int bottomeRow = Integer.valueOf(pointString.split(",")[0]); int bottomeCol = Integer.valueOf(pointString.split(",")[1]); int rowSpan = bottomeRow - rowNum + 1; int colSpan = bottomeCol - colNum + 1; sb.append(""); } sb.append(""); }sb.append("
 
  "); if (stringValue =https://www.it610.com/article/= null ||"".equals(stringValue.trim())) { sb.append("   "); } else { // 将ascii码为160的空格转换为html下的空格（  ） sb.append(stringValue.replace(String.valueOf((char) 160),"  ")); } sb.append("


"); } sb.append(""); return sb.toString(); }private static Map, String>[] getRowSpanColSpanMap(Sheet sheet) {Map, String> map0 = new HashMap, String>(); Map, String> map1 = new HashMap, String>(); int mergedNum = sheet.getNumMergedRegions(); CellRangeAddress range = null; for (int i = 0; i < mergedNum; i++) { range = sheet.getMergedRegion(i); int topRow = range.getFirstRow(); int topCol = range.getFirstColumn(); int bottomRow = range.getLastRow(); int bottomCol = range.getLastColumn(); map0.put(topRow + "," + topCol, bottomRow + "," + bottomCol); // System.out.println(topRow + "," + topCol + "," + bottomRow + "," + bottomCol); int tempRow = topRow; while (tempRow <= bottomRow) { int tempCol = topCol; while (tempCol <= bottomCol) { map1.put(tempRow + "," + tempCol, ""); tempCol++; } tempRow++; } map1.remove(topRow + "," + topCol); } Map[] map = { map0, map1 }; return map; }/** * 获取表格单元格Cell内容 * @param cell * @return */ private static String getCellValue(Cell cell) {String result = new String(); switch (cell.getCellType()) { case Cell.CELL_TYPE_NUMERIC:// 数字类型 if (HSSFDateUtil.isCellDateFormatted(cell)) {// 处理日期格式、时间格式 SimpleDateFormat sdf = null; if (cell.getCellStyle().getDataFormat() == HSSFDataFormat.getBuiltinFormat("h:mm")) { sdf = new SimpleDateFormat("HH:mm"); } else {// 日期 sdf = new SimpleDateFormat("yyyy-MM-dd"); } Date date = cell.getDateCellValue(); result = sdf.format(date); } else if (cell.getCellStyle().getDataFormat() == 58) { // 处理自定义日期格式：m月d日(通过判断单元格的格式id解决，id的值是58) SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); double value = https://www.it610.com/article/cell.getNumericCellValue(); Date date = DateUtil .getJavaDate(value); result = sdf.format(date); } else { double value = cell.getNumericCellValue(); CellStyle style = cell.getCellStyle(); DecimalFormat format = new DecimalFormat(); String temp = style.getDataFormatString(); // 单元格设置成常规 if (temp.equals("General")) { format.applyPattern("#"); } result = format.format(value); } break; case Cell.CELL_TYPE_STRING:// String类型 result = cell.getRichStringCellValue().toString(); break; case Cell.CELL_TYPE_BLANK: result = ""; break; default: result = ""; break; } return result; }/** * 处理表格样式 * @param wb * @param sheet * @param cell * @param sb */ private static void dealExcelStyle(Workbook wb, Sheet sheet, Cell cell, StringBuffer sb){CellStyle cellStyle = cell.getCellStyle(); if (cellStyle != null) { short alignment = cellStyle.getAlignment(); sb.append("align='" + convertAlignToHtml(alignment) + "' "); //单元格内容的水平对齐方式 short verticalAlignment = cellStyle.getVerticalAlignment(); sb.append("valign='"+ convertVerticalAlignToHtml(verticalAlignment)+ "' "); //单元格中内容的垂直排列方式if (wb instanceof XSSFWorkbook) {XSSFFont xf = ((XSSFCellStyle) cellStyle).getFont(); short boldWeight = xf.getBoldweight(); sb.append("style='"); sb.append("font-weight:" + boldWeight + "; "); // 字体加粗 sb.append("font-size: " + xf.getFontHeight() / 2 + "%; "); // 字体大小 int columnWidth = sheet.getColumnWidth(cell.getColumnIndex()) ; sb.append("width:" + columnWidth + "px; "); XSSFColor xc = xf.getXSSFColor(); if (xc != null && !"".equals(xc)) { sb.append("color:#" + xc.getARGBHex().substring(2) + "; "); // 字体颜色 }XSSFColor bgColor = (XSSFColor) cellStyle.getFillForegroundColorColor(); //System.out.println("************************************"); //System.out.println("BackgroundColorColor: "+cellStyle.getFillBackgroundColorColor()); //System.out.println("ForegroundColor: "+cellStyle.getFillForegroundColor()); //0 //System.out.println("BackgroundColorColor: "+cellStyle.getFillBackgroundColorColor()); //System.out.println("ForegroundColorColor: "+cellStyle.getFillForegroundColorColor()); //String bgColorStr = bgColor.getARGBHex(); //System.out.println("bgColorStr: "+bgColorStr); if (bgColor != null && !"".equals(bgColor)) { sb.append("background-color:#" + bgColor.getARGBHex().substring(2) + "; "); // 背景颜色 } sb.append(getBorderStyle(0,cellStyle.getBorderTop(), ((XSSFCellStyle) cellStyle).getTopBorderXSSFColor())); sb.append(getBorderStyle(1,cellStyle.getBorderRight(), ((XSSFCellStyle) cellStyle).getRightBorderXSSFColor())); sb.append(getBorderStyle(2,cellStyle.getBorderBottom(), ((XSSFCellStyle) cellStyle).getBottomBorderXSSFColor())); sb.append(getBorderStyle(3,cellStyle.getBorderLeft(), ((XSSFCellStyle) cellStyle).getLeftBorderXSSFColor())); }else if(wb instanceof HSSFWorkbook){HSSFFont hf = ((HSSFCellStyle) cellStyle).getFont(wb); short boldWeight = hf.getBoldweight(); short fontColor = hf.getColor(); sb.append("style='"); HSSFPalette palette = ((HSSFWorkbook) wb).getCustomPalette(); // 类HSSFPalette用于求的颜色的国际标准形式 HSSFColor hc = palette.getColor(fontColor); sb.append("font-weight:" + boldWeight + "; "); // 字体加粗 sb.append("font-size: " + hf.getFontHeight() / 2 + "%; "); // 字体大小 String fontColorStr = convertToStardColor(hc); if (fontColorStr != null && !"".equals(fontColorStr.trim())) { sb.append("color:" + fontColorStr + "; "); // 字体颜色 } int columnWidth = sheet.getColumnWidth(cell.getColumnIndex()) ; sb.append("width:" + columnWidth + "px; "); short bgColor = cellStyle.getFillForegroundColor(); hc = palette.getColor(bgColor); String bgColorStr = convertToStardColor(hc); if (bgColorStr != null && !"".equals(bgColorStr.trim())) { sb.append("background-color:" + bgColorStr + "; "); // 背景颜色 } sb.append( getBorderStyle(palette,0,cellStyle.getBorderTop(),cellStyle.getTopBorderColor())); sb.append( getBorderStyle(palette,1,cellStyle.getBorderRight(),cellStyle.getRightBorderColor())); sb.append( getBorderStyle(palette,3,cellStyle.getBorderLeft(),cellStyle.getLeftBorderColor())); sb.append( getBorderStyle(palette,2,cellStyle.getBorderBottom(),cellStyle.getBottomBorderColor())); }sb.append("' "); } }/** * 单元格内容的水平对齐方式 * @param alignment * @return */ private static String convertAlignToHtml(short alignment) {String align = "left"; switch (alignment) { case CellStyle.ALIGN_LEFT: align = "left"; break; case CellStyle.ALIGN_CENTER: align = "center"; break; case CellStyle.ALIGN_RIGHT: align = "right"; break; default: break; } return align; }/** * 单元格中内容的垂直排列方式 * @param verticalAlignment * @return */ private static String convertVerticalAlignToHtml(short verticalAlignment) {String valign = "middle"; switch (verticalAlignment) { case CellStyle.VERTICAL_BOTTOM: valign = "bottom"; break; case CellStyle.VERTICAL_CENTER: valign = "center"; break; case CellStyle.VERTICAL_TOP: valign = "top"; break; default: break; } return valign; }private static String convertToStardColor(HSSFColor hc) {StringBuffer sb = new StringBuffer(""); if (hc != null) { if (HSSFColor.AUTOMATIC.index == hc.getIndex()) { return null; } sb.append("#"); for (int i = 0; i < hc.getTriplet().length; i++) { sb.append(fillWithZero(Integer.toHexString(hc.getTriplet()[i]))); } }return sb.toString(); }private static String fillWithZero(String str) { if (str != null && str.length() < 2) { return "0" + str; } return str; }static String[] bordesr={"border-top:","border-right:","border-bottom:","border-left:"}; static String[] borderStyles={"solid ","solid ","solid ","solid ","solid ","solid ","solid ","solid ","solid ","solid","solid","solid","solid","solid"}; private staticString getBorderStyle(HSSFPalette palette , int b, short s, short t){if(s==0)returnbordesr[b]+borderStyles[s]+"#d0d7e5 1px; "; ; String borderColorStr = convertToStardColor( palette.getColor(t)); borderColorStr=borderColorStr==null|| borderColorStr.length()<1?"#000000":borderColorStr; return bordesr[b]+borderStyles[s]+borderColorStr+" 1px; "; }private staticString getBorderStyle(int b,short s, XSSFColor xc){if(s==0)returnbordesr[b]+borderStyles[s]+"#d0d7e5 1px; "; ; if (xc != null && !"".equals(xc)) { String borderColorStr = xc.getARGBHex(); //t.getARGBHex(); borderColorStr=borderColorStr==null|| borderColorStr.length()<1?"#000000":borderColorStr.substring(2); return bordesr[b]+borderStyles[s]+borderColorStr+" 1px; "; }return ""; }}

ppt
package com.gov.dna.grade.common.poi; import org.apache.commons.lang.StringUtils; import org.apache.poi.hslf.usermodel.*; import org.apache.poi.xslf.usermodel.*; import javax.imageio.ImageIO; import java.awt.*; import java.awt.geom.Rectangle2D; import java.awt.image.BufferedImage; import java.io.*; import java.util.ArrayList; import java.util.List; public class PPT2Html {/*public static void main(String[] args) { writeFile("D:\\test\\sss.ppt"); }*/public static void writeFile(String filePath) { try { String html = filePath.replace("pptx","").replace("ppt","")+"html"; File writeName = new File(html); writeName.createNewFile(); try (FileWriter writer = new FileWriter(writeName); BufferedWriter out = new BufferedWriter(writer) ) { out.write(ppt2Html(filePath)); out.flush(); } catch (Exception e) { e.printStackTrace(); } } catch (IOException e) { e.printStackTrace(); } }public static String ppt2Html(String path) throws Exception { if (StringUtils.isBlank(path)) { return null; } File file = new File(path); String imagePath = file.getParent()+File.separator+"img"; if (path.endsWith("pptx")) { List> imgList=toImage2007(path, imagePath); return img2Html(imgList); }else{ List> imgList=toImage2003(path, imagePath); return img2Html(imgList); } }private static List>toImage2007(String path,String imagePath) throws Exception { FileInputStream is = new FileInputStream(path); XMLSlideShow ppt = new XMLSlideShow(is); List> imgList=new ArrayList>(); is.close(); File imageFile = new File(imagePath); if (!imageFile.exists()) { imageFile.mkdirs(); } Dimension pgsize = ppt.getPageSize(); for (int i = 0; i < ppt.getSlides().size(); i++) { try { //防止中文乱码 for (XSLFShape shape : ppt.getSlides().get(i).getShapes()) { if (shape instanceof XSLFTextShape) { XSLFTextShape tsh = (XSLFTextShape) shape; for (XSLFTextParagraph p : tsh) { for (XSLFTextRun r : p) { // 这个字体需要系统中存在，要不然会乱码 r.setFontFamily("微软雅黑"); } } } } BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_RGB); Graphics2D graphics = img.createGraphics(); // clear the drawing area graphics.setPaint(Color.white); graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height)); // render ppt.getSlides().get(i).draw(graphics); // save the output String filename = (i + 1) + ".jpg"; FileOutputStream out = new FileOutputStream(imagePath +"/"+ filename); ImageIO.write(img, "png", out); out.close(); imgList.add(filename); } catch (Exception e) { System.out.println("第" + i + "张ppt转换出错"); } } return imgList; }private staticList> toImage2003(String path,String imagePath){ List> imgList=new ArrayList>(); try { HSLFSlideShow ppt = new HSLFSlideShow(new HSLFSlideShowImpl(path)); File imageFile = new File(imagePath); if (!imageFile.exists()) { imageFile.mkdirs(); } Dimension pgsize = ppt.getPageSize(); for (int i = 0; i < ppt.getSlides().size(); i++) { //防止中文乱码 for(HSLFShape shape : ppt.getSlides().get(i).getShapes()){ if(shape instanceof HSLFTextShape) { HSLFTextShape tsh = (HSLFTextShape)shape; for(HSLFTextParagraph p : tsh){ for(HSLFTextRun r : p){ r.setFontFamily("微软雅黑"); } } } } BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_RGB); Graphics2D graphics = img.createGraphics(); // clear the drawing area graphics.setPaint(Color.white); graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height)); // render ppt.getSlides().get(i).draw(graphics); // save the output String filename = (i + 1) + ".jpg"; FileOutputStream out = new FileOutputStream(imagePath +"/"+ filename); ImageIO.write(img, "png", out); out.close(); imgList.add(filename); //resizeImage(filename, filename, width, height); } System.out.println("3success"); } catch (Exception e) { // TODO: handle exception } return imgList; } /*** * 功能 :调整图片大小 * @param srcImgPath 原图片路径 * @param distImgPath转换大小后图片路径 * @param width转换后图片宽度 * @param height转换后图片高度 */ private static void resizeImage(String srcImgPath, String distImgPath, int width, int height) throws IOException {File srcFile = new File(srcImgPath); Image srcImg = ImageIO.read(srcFile); BufferedImage buffImg = null; buffImg = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); buffImg.getGraphics().drawImage( srcImg.getScaledInstance(width, height, Image.SCALE_SMOOTH), 0, 0, null); ImageIO.write(buffImg, "JPEG", new File(distImgPath)); }/**自己创建的html代码 * 原理上就是，把上一步ppt转的图片 * 以html的方式呈现出来 */ public static String img2Html( List> imgList){ StringBuilder sb = new StringBuilder("预览img {width: 100%; height: auto; }"); if (imgList != null && !imgList.isEmpty()) { for (String img : imgList) { sb.append("推荐2个免费在线预览word，xlsx，pdf地址
"); } } sb.append(""); return sb.toString(); }}

WordTo
package com.gov.dna.grade.common.poi; import org.apache.poi.hwpf.HWPFDocument; import org.apache.poi.hwpf.converter.PicturesManager; import org.apache.poi.hwpf.converter.WordToHtmlConverter; import org.apache.poi.hwpf.usermodel.PictureType; import org.apache.poi.xwpf.converter.core.BasicURIResolver; import org.apache.poi.xwpf.converter.core.FileImageExtractor; import org.apache.poi.xwpf.converter.xhtml.XHTMLConverter; import org.apache.poi.xwpf.converter.xhtml.XHTMLOptions; import org.apache.poi.xwpf.usermodel.XWPFDocument; import org.w3c.dom.Document; 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 java.io.*; /** * WordToHtml * * @author xiadaoyu * @create 2018-10-13 **/ public class WordToHtml {/* public static void main(String[] args) { //try { //word2003ToHtml("D:\\test\\s1.doc"); //} catch (IOException e) { //e.printStackTrace(); //} catch (TransformerException e) { //e.printStackTrace(); //} catch (ParserConfigurationException e) { //e.printStackTrace(); //}try { word2007ToHtml("D:\\test\\s1.docx"); } catch (IOException e) { e.printStackTrace(); } }*//** * 将word2003转换为html文件 2017-2-27 * * @param wordPath word文件路径 * @throws IOException * @throws TransformerException * @throws ParserConfigurationException */ public static String word2003ToHtml(String wordPath) throws IOException, TransformerException, ParserConfigurationException { File fileW = new File(wordPath); String htmlPath = wordPath + fileW.getParent()+File.separator; String htmlName = wordPath.replace("doc","") + "html"; final String imagePath = fileW.getParent()+File.separator+"img"+File.separator; //判断html文件是否存在 File htmlFile = new File(htmlName); if (htmlFile.exists()) { return htmlFile.getAbsolutePath(); }//原word文档 InputStream input = new FileInputStream(fileW); HWPFDocument wordDocument = new HWPFDocument(input); WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter(DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument()); //设置图片存放的位置 wordToHtmlConverter.setPicturesManager(new PicturesManager() { public String savePicture(byte[] content, PictureType pictureType, String suggestedName, float widthInches, float heightInches) { File imgPath = new File(imagePath); if (!imgPath.exists()) {//图片目录不存在则创建 imgPath.mkdirs(); } File file = new File(imagePath + suggestedName); try { OutputStream os = new FileOutputStream(file); os.write(content); os.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } //图片在html文件上的路径 相对路径 return "./img/" + suggestedName; } }); //解析word文档 wordToHtmlConverter.processDocument(wordDocument); Document htmlDocument = wordToHtmlConverter.getDocument(); //生成html文件上级文件夹 File folder = new File(htmlPath); if (!folder.exists()) { folder.mkdirs(); }//生成html文件地址 OutputStream outStream = new FileOutputStream(htmlFile); DOMSource domSource = new DOMSource(htmlDocument); StreamResult streamResult = new StreamResult(outStream); TransformerFactory factory = TransformerFactory.newInstance(); Transformer serializer = factory.newTransformer(); serializer.setOutputProperty(OutputKeys.ENCODING, "utf-8"); serializer.setOutputProperty(OutputKeys.INDENT, "yes"); serializer.setOutputProperty(OutputKeys.METHOD, "html"); serializer.transform(domSource, streamResult); outStream.close(); return htmlFile.getAbsolutePath(); }/** * 2007版本word转换成html 2017-2-27 * * @param wordPath word文件路径 * @return * @throws IOException */ public static String word2007ToHtml(String wordPath) throws IOException { //word文件 File wordFile = new File(wordPath); String htmlPath = wordFile.getParent()+File.separator; String htmlName = wordPath.replace("docx","") + "html"; String imagePath = htmlPath + "img" + File.separator; //判断html文件是否存在 File htmlFile = new File(htmlName); if (htmlFile.exists()) { return htmlFile.getAbsolutePath(); }// 1) 加载word文档生成 XWPFDocument对象 InputStream in = new FileInputStream(wordFile); XWPFDocument document = new XWPFDocument(in); // 2) 解析 XHTML配置 (这里设置IURIResolver来设置图片存放的目录) File imgFolder = new File(imagePath); XHTMLOptions options = XHTMLOptions.create(); options.setExtractor(new FileImageExtractor(imgFolder)); //html中图片的路径 相对路径 options.URIResolver(new BasicURIResolver("img")); options.setIgnoreStylesIfUnused(false); options.setFragment(true); // 3) 将 XWPFDocument转换成XHTML //生成html文件上级文件夹 File folder = new File(htmlPath); if (!folder.exists()) { folder.mkdirs(); } OutputStream out = new FileOutputStream(htmlFile); XHTMLConverter.getInstance().convert(document, out, options); return htmlFile.getAbsolutePath(); }}

【推荐2个免费在线预览word，xlsx，pdf地址】wordtopdf
package com.gov.dna.grade.common.poi; import org.apache.commons.collections.MapUtils; import org.apache.poi.xwpf.converter.core.utils.StringUtils; import org.apache.poi.xwpf.converter.pdf.PdfConverter; import org.apache.poi.xwpf.converter.pdf.PdfOptions; import org.apache.poi.xwpf.usermodel.*; import java.io.InputStream; import java.io.OutputStream; import java.util.List; import java.util.Map; public class WordToPDF {/** * 将word文档， 转换成pdf, 中间替换掉变量 * @param source 源为word文档， 必须为docx文档 * @param target 目标输出 * @param params 需要替换的变量 * @throws Exception */ public static void docxToPdf(InputStream source, OutputStream target, Map, String> params) throws Exception { docxToPdf(source, target, null, params); }/** * 将word文档， 转换成pdf, 中间替换掉变量 * @param source 源为word文档， 必须为docx文档 * @param target 目标输出 * @param params 需要替换的变量 * @param options PdfOptions.create().fontEncoding( "windows-1250" ) 或者其他 * @throws Exception */ public static void docxToPdf(InputStream source, OutputStream target, PdfOptions options, Map, String> params) throws Exception { XWPFDocument docx = new XWPFDocument(source); paragraphReplace(docx.getParagraphs(), params); for (XWPFTable table : docx.getTables()) { for (XWPFTableRow row : table.getRows()) { for (XWPFTableCell cell : row.getTableCells()) { paragraphReplace(cell.getParagraphs(), params); } } } PdfConverter.getInstance().convert(docx, target, options); }/** 替换段落中内容 */ private static void paragraphReplace(List paragraphs, Map, String> params) { if (MapUtils.isNotEmpty(params)) { for (XWPFParagraph p : paragraphs){ for (XWPFRun r : p.getRuns()){ String content = r.getText(r.getTextPosition()); if(StringUtils.isNotEmpty(content) && params.containsKey(content)) { r.setText(params.get(content), 0); } } } } }/* public static void main(String[] args) { String filepath = "D:\\test\\s1.docx"; String outpath = "D:\\test\\f1.pdf"; InputStream source; OutputStream target; try { source = new FileInputStream(filepath); target = new FileOutputStream(outpath); Map params = new HashMap(); PdfOptions options = PdfOptions.create(); docxToPdf(source, target, options, params); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } }*/}

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