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传入的值不能为null,否则会报错，IXDocReport 有自己的判null规则，比较麻烦，建议代码直接把null替换成""

   public void exportWord1(WeeklyMeetDataDto dto, HttpServletResponse response) {ServletOutputStream downLoadOutput = null;try {WeeklyMeetDataVo.TextData partOneData = getPartOneData(dto);String text = dto.getRqb().split("-")[1] + "月" + dto.getRqb().split("-")[2] + "日~" + dto.getRq().split("-")[1] + "月" + dto.getRq().split("-")[2] + "日，" +"全国日均发电量" + partOneData.getQkjfsdl() + "亿千瓦时，同比" + partOneData.getQkjfsdltb() + "；" +"国网经营区日均调度用电量" + partOneData.getDdfsdl_new() + "亿千瓦时，同比" + partOneData.getDdfsdl_newtb() + ";";ClassPathResource classPathResource = new ClassPathResource("template/DDZB1.docx");InputStream ins = classPathResource.getInputStream();//注册xdocreport实例并加载FreeMarker模板引擎IXDocReport report = XDocReportRegistry.getRegistry().loadReport(ins, TemplateEngineKind.Freemarker);//创建xdocreport上下文对象IContext context = report.createContext();//创建要替换的文本变量context.put("text", text);List<WeeklyMeetDataVo.EachRegion> eachRegion = getEachRegion(dto);List<WeeklyMeetDataVo.PullPower> pullPower = getPullPower(dto);List<WeeklyMeetDataVo.DirectPowerPlant> directPowerPlant = getDirectPowerPlant(dto);String lxdText = "";if (CollectionUtils.isEmpty(pullPower)) {lxdText = "所有电网均未发生拉路限电现象。";}context.put("lxdText", lxdText);context.put("ddydlqk", eachRegion);context.put("zdfhqk", eachRegion);context.put("lxd", pullPower);context.put("zd", directPowerPlant);//表格FieldsMetadata fieldsMetadata = report.createFieldsMetadata();fieldsMetadata.load("ddydlqk", WeeklyMeetDataVo.EachRegion.class, true);fieldsMetadata.load("zdfhqk", WeeklyMeetDataVo.EachRegion.class, true);fieldsMetadata.load("lxd", WeeklyMeetDataVo.PullPower.class, true);fieldsMetadata.load("zd", WeeklyMeetDataVo.DirectPowerPlant.class, true);//为null会报错Map<String, Object> contextMap = context.getContextMap();for (Map.Entry<String, Object> map : contextMap.entrySet()) {Class<?> aClass = map.getValue().getClass();String name = aClass.getName();if ("java.util.ArrayList".equals(name)) {Object value = map.getValue();List list = (List) value;for (Object object : list) {Class<?> aClass2 = object.getClass();Field[] declaredFields = aClass2.getDeclaredFields();for (Field field1 : declaredFields) {field1.setAccessible(true);Object o = field1.get(object);if (o == null) {field1.set(object, "");}}}} else if (ObjectUtils.isEmpty(map.getValue())) {contextMap.put(map.getKey(), "");}}//替换图片fieldsMetadata.addFieldAsImage("img");byte[] byteImage = ImageUtils.base64ToFile(dto.getImageBase64Code1());ByteArrayInputStream inputStream = new ByteArrayInputStream(byteImage);context.put("img", inputStream);response.setContentType("application/msword");response.setCharacterEncoding("utf-8");response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");response.setHeader("Content-disposition", "attachment;filename=" + URLEncoder.encode("调度周报.docx", "utf-8"));response.setHeader("Content-Type", "application/octet-stream;charset=utf-8");downLoadOutput = response.getOutputStream();report.process(context, downLoadOutput);} catch (Exception e) {e.printStackTrace();} finally {try {if (downLoadOutput != null) {downLoadOutput.flush();downLoadOutput.close();downLoadOutput = null;}} catch (IOException e1) {e1.printStackTrace();System.out.println("Close ServletOutputStream error. type 55");}}}