java上传文件和参数到服务器

public static Map<String,Object> uploadFileByHTTP(File postFile,String postUrl,Map<String,String> postParam){
        //Logger log = LoggerFactory.getLogger(UploadTest.class);

        Map<String,Object> resultMap = new HashMap<String,Object>();
        CloseableHttpClient httpClient = HttpClients.createDefault();
        try{
            //把一个普通参数和文件上传给下面这个地址    是一个servlet
            HttpPost httpPost = new HttpPost(postUrl);
            //把文件转换成流对象FileBody
            FileBody fundFileBin = new FileBody(postFile);
            //设置传输参数
            MultipartEntityBuilder multipartEntity = MultipartEntityBuilder.create();
            multipartEntity.setCharset(Charset.forName("utf-8"));
            multipartEntity.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
            multipartEntity.addPart(postFile.getName(), fundFileBin);//相当于<input type="file" name="media"/>

            //设计文件以外的参数
            Set<String> keySet = postParam.keySet();
            for (String key : keySet) {
                //相当于<input type="text" name="name" value=name>
                multipartEntity.addPart(key, new StringBody(postParam.get(key), ContentType.create("application/json", Consts.UTF_8)));
            }

            HttpEntity reqEntity =  multipartEntity.build();
            httpPost.setHeader("Content-type", "application/json");
            httpPost.setEntity(reqEntity);

            //log.info("发起请求的页面地址 " + httpPost.getRequestLine());
            //发起请求   并返回请求的响应
            CloseableHttpResponse response = httpClient.execute(httpPost);
            try {
                ///log.info("----------------------------------------");
                //打印响应状态
                //log.info(response.getStatusLine());
                resultMap.put("statusCode", response.getStatusLine().getStatusCode());
                //获取响应对象
                HttpEntity resEntity = response.getEntity();
                if (resEntity != null) {
                    //打印响应长度
                    //log.info("Response content length: " + resEntity.getContentLength());
                    //打印响应内容
                    resultMap.put("data", EntityUtils.toString(resEntity,Charset.forName("UTF-8")));
                }
                //销毁
                EntityUtils.consume(resEntity);
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                response.close();
            }
        } catch (ClientProtocolException e1) {
            e1.printStackTrace();
        } catch (IOException e1) {
            e1.printStackTrace();
        } finally{
            try {
                httpClient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        //log.info("uploadFileByHTTP result:"+resultMap);
        return resultMap;
    }