Use poi to generate word documents based on templates and convert them into PDF files (can handle doc files and docx file versions)

This article is "Using poi to generate word documents based on templates and convert them into PDF files" follow-up to solve the processing method of incoming files as doc documents or docx

	/**
	 * 根据模板生成word
	 *
	 * @param path      模板的路径
	 * @param params    需要替换的参数
	 * @param tableList 需要插入的参数
	 * @param fileName  生成word文件的文件名
	 * @param response
	 */
	public void getWord(String path, Map<String, Object> params, List<String[]> tableList, String fileName,
						HttpServletResponse response) throws Exception {
    
    
		//模板文件路径
		String modelFilePath = PathConfig.temporaryFilePath+PathConfig.imgPath;
		//临时文件路径
		String temporaryFilePath = PathConfig.temporaryFilePath+PathConfig.temporaryPath;
		String filePath = modelFilePath+path;

		File file = new File(filePath);
		InputStream is = new FileInputStream(file);

		try{
    
    
			//解析docx，如果异常就用doc解析
			CustomXWPFDocument docx = new CustomXWPFDocument(is);
			docx(docx,params,tableList,fileName,temporaryFilePath,response);
		}catch (Exception e){
    
    
			//解析doc
			is = new FileInputStream(file);
			HWPFDocument doc = new HWPFDocument(is);
			doc(doc,params,tableList,fileName,temporaryFilePath,response);
		}
		this.close(is);
	}

	/**
	 * 解析doc类型文件
	 * @param params
	 * @param tableList
	 * @param fileName
	 * @param temporaryFilePath
	 * @param response
	 * @throws Exception
	 */
	public void doc(HWPFDocument doc, Map<String, Object> params, List<String[]> tableList, String fileName, String temporaryFilePath,
					HttpServletResponse response) throws Exception{
    
    
		Range range = doc.getRange();
		for (Map.Entry<String, Object> entry : params.entrySet()) {
    
    
			range.replaceText(entry.getKey(), entry.getValue()+"");
		}

		OutputStream os = null;
		fileName = java.net.URLDecoder.decode(fileName, "UTF-8");
		os = new FileOutputStream(temporaryFilePath + fileName);
		doc.write(os);
		try {
    
    
			response.setContentType("application/xls");
			response.addHeader("Content-Disposition",
					"attachment;filename=" + new String(fileName.getBytes("UTF-8"), "iso-8859-1"));
			InputStream input = new FileInputStream(temporaryFilePath + fileName);
			byte buffBytes[] = new byte[1024];
			OutputStream as = response.getOutputStream();
			int read = 0;
			while ((read = input.read(buffBytes)) != -1) {
    
    
				as.write(buffBytes, 0, read);
			}
			as.flush();
			as.close();
			input.close();
		} catch (IOException ex) {
    
    
			ex.printStackTrace();
		}
		this.close(os);

		//删除临时文件
		File f = new File(temporaryFilePath + fileName);
		f.delete();
	}

	/**
	 * 解析docx类型文件
	 * @param params
	 * @param tableList
	 * @param fileName
	 * @param temporaryFilePath
	 * @param response
	 * @throws Exception
	 */
	public void docx(CustomXWPFDocument docx, Map<String, Object> params, List<String[]> tableList, String fileName, String temporaryFilePath,
					 HttpServletResponse response) throws Exception{
    
    

		this.replaceInPara(docx, params); // 替换文本里面的变量
		this.replaceInTable(docx, params, tableList); // 替换表格里面的变量
		OutputStream os = null;
		fileName = java.net.URLDecoder.decode(fileName, "UTF-8");
		os = new FileOutputStream(temporaryFilePath + fileName);
		docx.write(os);
		try {
    
    
			response.setContentType("application/xls");
			response.addHeader("Content-Disposition",
					"attachment;filename=" + new String(fileName.getBytes("UTF-8"), "iso-8859-1"));
			InputStream input = new FileInputStream(temporaryFilePath + fileName);
			byte buffBytes[] = new byte[1024];
			OutputStream as = response.getOutputStream();
			int read = 0;
			while ((read = input.read(buffBytes)) != -1) {
    
    
				as.write(buffBytes, 0, read);
			}
			as.flush();
			as.close();
			input.close();
		} catch (IOException ex) {
    
    
			ex.printStackTrace();
		}
		this.close(os);

		//删除临时文件
		File f = new File(temporaryFilePath + fileName);
		f.delete();
	}

Reference link: https://www.cnblogs.com/mr-wuxiansheng/p/6131494.html

Main reference method:

//获取模板文件的目录地址
String fileDir = new File(base.getFile(), "../../../../../../doc/").getCanonicalPath();
//获取模板文件
File demoFile=new File(fileDir + "/1.doc");

FileInputStream in = new FileInputStream(demoFile);
//doc文件转换
HWPFDocument hdt = new HWPFDocument(in);
//替换读取到的word模板内容的指定字段
Range range = hdt.getRange();
Map<String, String> map = new HashMap<String, String>();
map.put("$PMBD$", goodsName);
map.put("$PMKSSJ$", dateFormater.format(startTime));
map.put("$MSRHP$", brandNo);
map.put("$PMCJJ$", numberToHanZiUtility.number2CNMontrayUnit(dealPrice));
map.put("$PMYJ$", numberToHanZiUtility.number2CNMontrayUnit(clientCommison));
map.put("$HJ$", numberToHanZiUtility.number2CNMontrayUnit(totalPrice));
map.put("$PMCJJXX$", dealPrice + "");
map.put("$PMYJXX$", clientCommison + "");
map.put("$HJXX$", totalPrice + "");
map.put("$PMJSSJ$", dateFormater.format(endTime));
//替换内容
for (Map.Entry<String,String> entry:map.entrySet()) {
    
    
	range.replaceText(entry.getKey(),entry.getValue());
}