Java 填充数据到pdf模板打印

雨点打透心脏的1/2处 2022-11-04 14:28 399阅读 0赞

js代码：

<% String filepath = request.getRealPath("/"); %>
    
    var filepath = $("#filepath").val();
    
    success : function(data) {
    	if (data.success) {
    	/* window.location.href = "${pageContext.request.contextPath}/" + data.tempFile; //当前画面打开 */
    	// 新标签页打开								
    	window.open("${pageContext.request.contextPath}/" + data.tempFile);
    	} else {
    		toastr.error(data.message);
    	} 
    },
    error : function() {
    	toastr.error("系统异常,请联系管理员");
    },

java代码：

@ResponseBody
    	@RequestMapping(value = "/printQualification", method = RequestMethod.POST)
    	public Map<String, Object> printQualification(HttpServletRequest request, HttpServletResponse response)
    			throws Exception {
    		// 获取参数
    		String label_number = String.valueOf(request.getParameter("label_number"));
    		String product_model = String.valueOf(request.getParameter("product_model"));
    		String model_number = String.valueOf(request.getParameter("model_number"));
    		String version_number = String.valueOf(request.getParameter("version_number"));
    		String qualification_number = String.valueOf(request.getParameter("qualification_number"));
    		String filepath = String.valueOf(request.getParameter("filepath"));
    
    		request.setCharacterEncoding("UTF-8");
    		response.setContentType("text/json; charset=UTF-8");
    
    		// 填充数据
    		QualificationInfo qualificationInfo = new QualificationInfo();
    		qualificationInfo.setLabel_number(label_number);
    		qualificationInfo.setProduct_model(product_model);
    		qualificationInfo.setModel_number(model_number);
    		qualificationInfo.setVersion_number(version_number);
    		qualificationInfo.setQualification_number(qualification_number);
    		qualificationInfo.setPrint_date(new Date());
    
    		String sourceFile = filepath + "PdfTemplate/Qualification.pdf";
    		// String targetFile = "D:/tests.pdf";
    		String nowTime = new SimpleDateFormat("yyyyMMddHHmmsss").format(new Date());
    		// 获取服务器路径
    		String targetFile = "video\\temp\\" + nowTime + ".pdf";
    		String realPath = request.getSession().getServletContext().getRealPath("/");
    		realPath = realPath + targetFile;
    		// map赋值
    		HashMap<String, Object> map = new HashMap<>();
    		map.put("product_name", "测试");
    		// 产品型号、模号、版本号相同 (map的key与pdf模板表单中一致)
    		map.put("product_model", String.valueOf(product_model));
    		map.put("model_number", String.valueOf(model_number));
    		map.put("version_number", String.valueOf(version_number));
    		// 数量
    		map.put("qualification_number", String.valueOf(qualification_number));
    		// 日期
    		map.put("print_date", String.valueOf(new SimpleDateFormat("yyyy-MM-dd").format(print_date)));
    		map.put("label_number", "123456789");
    		// 定义二维码内容
    		String content = "barcode";
    		// 标签模板填充
    		map.put("QRCodeInfo", content);
    		map.put("InnerBoxDetail", "详细信息");
    		PdfHelper.fromPDFTempletToPdfValue(sourceFile, map, realPath);
    
    		Map<String, Object> result = new HashMap<>();
    		result.put("success", true);
    		result.put("tempFile", targetFile);
    
    		return result;
    	}

PdfHelper方法代码：

public static String fromPDFTempletToPdfValue(String fileName, Map<String, Object> param, String path_) {
    
    		try {
    			// 获得pdf阅读器
    			PdfReader reader = new PdfReader(fileName);
    			// 字节数组输出流
    			ByteArrayOutputStream bos = new ByteArrayOutputStream();
    			PdfStamper stamp = new PdfStamper(reader, bos);
    
    			BaseFont bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
    			stamp.getAcroFields().addSubstitutionFont(bf);
    			// 自定义表单
    			AcroFields form = stamp.getAcroFields();
    
    			for (Entry<String, Object> entry : param.entrySet()) {
    				String key = entry.getKey();
    				String val = String.valueOf(entry.getValue());
    				if (!key.startsWith("QRCodeInfo")) {
    					// 正常的字段赋值
    					// 要输入中文就要设置域的字体;
    					form.setFieldProperty(key, "textfont", bf, null);
    					// 为需要赋值的域设置值;
    					form.setField(key, val);
    				} else {
    					// 二维码
    					PdfContentByte under = stamp.getOverContent(1);
    					List<FieldPosition> positions = form.getFieldPositions("QRCodeInfo");
    					com.itextpdf.text.Rectangle r = positions.get(0).position;
    					float x = r.getLeft();
    					float y = r.getBottom();
    					float urx = r.getRight();
    					float ury = r.getTop();
    
    					Image image = getQRcode(val);
    					image.scaleToFit(new com.itextpdf.text.Rectangle(x, y, urx, ury));
    					image.setAbsolutePosition(x, y);
    					under.addImage(image);
    				}
    			}
    			stamp.setFormFlattening(true);
    			stamp.close();
    			// 设置为true/false在点击生成的pdf文档的填充域时有区别，
    			FileOutputStream fos = new FileOutputStream(path_);
    			fos.write(bos.toByteArray());
    			fos.close();
    			// File temp = new File(path_);
    			// byte[] bs = getContent(path_);
    			// temp.delete();
    			return path_;
    		} catch (IOException | DocumentException e) {
    			e.printStackTrace();
    		}
    		return null;
    	}