springboot配合Freemark模板生成word,前台vue接收并下载【步骤详解并奉上源码】

    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml-schemas</artifactId>
        <version>3.9</version>
      </dependency>

      <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-freemarker</artifactId>
      </dependency>

    @RequestMapping(value = "/Testrecord", method = RequestMethod.POST)
    @ResponseBody
    public ResponseEntity<byte[]>   Testrecord(@RequestBody Map<String, Object> paras, HttpServletRequest request) throws Exception {
        String path = request.getServletContext().getRealPath("/");
        //设备信息  获取数据
        BaseResult<Map<String, Object>> DeviceTask= deviceModuleService.getOneDeviceTask((Integer) paras.get("id"));

        //测试条件 获取数据
  
        BaseResult<List<DeviceTaskStep>> deviceTaskStepByParas = deviceModuleService.getDeviceTaskStepByParas(paras);


        List<DeviceTaskStep> taskstep = deviceTaskStepByParas.getData();

//       循环方式
        BaseResult<List<DeviceTaskLoop>> deviceTaskLoopByParas = deviceModuleService.getDeviceTaskLoopByParas(paras);
        System.out.println(deviceTaskLoopByParas.getData().toString()+"SAD");
        List<DeviceTaskLoop> taskloop = deviceTaskLoopByParas.getData();
//        设备信息
        Map<String, Object> datataskstep = DeviceTask.getData();
        System.out.println(datataskstep);
        Object applyNo = datataskstep.get("reportNo");
        Configuration configuration = new Configuration();
        configuration.setDefaultEncoding("utf-8");
        // 模板存放路径
        configuration.setClassForTemplateLoading(this.getClass(), "/template");
        // 获取模板文件
        Template template = configuration.getTemplate("Testrecord.ftl");
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        Map<String,Object> resultMap = new HashMap<>();
//        设备信息  
        resultMap.put("reportno",datataskstep.get("reportNo"));//word加入单数据
        resultMap.put("devicename",datataskstep.get("deviceName"));
        resultMap.put("manufacturer",datataskstep.get("manufacturer"));
        resultMap.put("basictypename",datataskstep.get("basicTypeName"));
        resultMap.put("devicecode",datataskstep.get("deviceCode"));

        System.out.println();
        if(datataskstep.get("startTime")==null){
            resultMap.put("starttime"," ");
        }else {
            resultMap.put("starttime",datataskstep.get("startTime"));
        }
        if(datataskstep.get("endTime")==null){
            resultMap.put("endtime"," ");
        }else {
            resultMap.put("endtime",datataskstep.get("endTime"));
        }


        // 测试条件
        List<Map<String, Object>> tasksteps = new ArrayList<Map<String, Object>>();
        if (taskstep.size()==0){
            Map<String, Object> map=new HashMap<String, Object>();
            map.put("stepNum"," ");
            map.put("temp",  " ");
            map.put("humid",  " ");
            map.put("timeHour",  " ");
            map.put("timeMin", " ");
            tasksteps.add(map);
        }else {
            for (int i = 0; i < taskstep.size(); i++) {
//
                Map<String, Object> map=new HashMap<String, Object>();
                map.put("stepNum", taskstep.get(i).getStepNum());
                map.put("temp",  taskstep.get(i).getTemp());
                map.put("humid",  taskstep.get(i).getHumid());
                map.put("timeHour",  taskstep.get(i).getTimeHour());
                map.put("timeMin",  taskstep.get(i).getTimeMin());
                tasksteps.add(map);
            }
        }



//        循环方式
        List<Map<String, Object>> taskloops = new ArrayList<Map<String, Object>>();
        //这里做一个判断  如果加入了空数据会报错
        if (taskloop.size()==0){
            Map<String, Object> map=new HashMap<String, Object>();
            map.put("loopNum", " ");
            map.put("stepStart", " ");
            map.put("stepStop", " ");
            map.put("loopCount",  " ");
            taskloops.add(map);
        }else {
            for (int i = 0; i < taskloop.size(); i++) {
//            System.out.println(taskloop.get(i).getTaskId()+"AAA");
                Map<String, Object> map=new HashMap<String, Object>();
                map.put("loopNum", taskloop.get(i).getLoopNum());
                map.put("stepStart",  taskloop.get(i).getStepStart());
                map.put("stepStop",  taskloop.get(i).getStepStop());
                map.put("loopCount",  taskloop.get(i).getLoopCount());
                taskloops.add(map);
            }
        }

    //word加入循环数据
        resultMap.put("taskstep",tasksteps);
        resultMap.put("taskloop",taskloops);
//        测试条件

        File outFile = new File(String.format("%s%s.%s",path,applyNo,"doc"));
        Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outFile),"UTF-8"));
        template.process(resultMap,out);
        out.flush();
        out.close();
        //这是是绝对路径
        // String path = "C:\\Users\\zhangyf\\";
        // String filename = "aaa.doc";
        String filename = String.format("%s.%s",applyNo,"doc");
        File file = new File(path+filename);
        HttpHeaders headers = new HttpHeaders();
        //下载显示的文件名，解决中文名称乱码问题
        String downloadFileName = new String(filename.getBytes(StandardCharsets.UTF_8), StandardCharsets.ISO_8859_1);
        //通知浏览器以attachment（下载方式）打开图片
        headers.setContentDispositionFormData("attachment", downloadFileName);
        //application/octet-stream:二进制流数据（最常见的文件下载）
        headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
        //201 HttpStatus.CREATED
        return new ResponseEntity<byte[]>(FileUtils.readFileToByteArray(file),headers,HttpStatus.CREATED);

    }

export function Testrecord(data) {
    return axios({
        url: '/h/deviceModule/Testrecord',
        method: 'post',
        data: data,
     responseType: 'blob' //这里改一下
    })
}