采用HttpClient3.x上传文件 spring 文件上传

logger.info("modifyHeaderPicture has invoked.filename is " + file.getOriginalFilename());

SimpleMessage<Object> sm = new SimpleMessage<Object>();

int index = file.getOriginalFilename().lastIndexOf(".");

String imageSupportType = SpiConfig.getPropValue("IMAGE_SUPPORT_TYPE");

if (imageSupportType.indexOf("," + file.getOriginalFilename().substring(index + 1) + ",") < 0) {
            sm.set("message", "file type is error.the support type is " + imageSupportType.substring(1, imageSupportType.length() - 1));

logger.info("the file type is error.the req file type is " + file.getOriginalFilename().substring(index + 1));

return sm;
        }

File fileIO = null;

try {
            fileIO = File.createTempFile(file.getOriginalFilename().substring(0, index), file.getOriginalFilename().substring(index + 1));

if (!fileIO.exists()) {
                fileIO.createNewFile();
            }

file.transferTo(fileIO);

} catch (IOException e) {
            logger.warn("transferto file fail.", e);
        }

Map<String, Object> postBody = new HashMap<String, Object>();

postBody.put("loginname", req.getSession().getAttribute(BigAntHelper.SESSION_USER_ID));

BigAntBaseRes uploadResult = BigAntClient.getInstance().uploadPicture(postBody, file.getOriginalFilename(), fileIO);

logger.info("upload return msg is " + uploadResult);

if (null != uploadResult) {
            if ("1".equals(uploadResult.getStatus().trim())) {
                sm.set("data", uploadResult.getData());
            } else {
                sm.set("message", uploadResult.getMsg());
            }
        } else {
            sm.set("message", "upload fail");
        }
        return sm;
    }

HttpClient client = new HttpClient();

logger.info("URL:" + url + " and the filename is " + filename);

HttpConnectionManagerParams managerParams = client.getHttpConnectionManager().getParams();

managerParams.setConnectionTimeout(10000);

PostMethod post = new PostMethod(url);

HttpMethodParams params = post.getParams();

params.setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "UTF-8");

params.setContentCharset("UTF-8");

// 设置消息体

List<Part> requestPart = new ArrayList<Part>();

if (null != reqParams && reqParams.size() > 0) {
            Iterator<String> it = reqParams.keySet().iterator();

while (it.hasNext()) {
                String key = it.next();

if (null != reqParams.get(key)) {
                    try {
                        requestPart.add(new StringPart(key, URLEncoder.encode(reqParams.get(key).toString(), "UTF-8")));

logger.info("key:" + key + " and value is :" + URLEncoder.encode(reqParams.get(key).toString(), "UTF-8"));

} catch (Exception e) {
                        logger.warn("parse the send msg fail.", e);
                    }
                }
            }
        }

try {
            // 设置文件内容
            requestPart.add(new FilePart(filename, file));

post.setRequestEntity(new MultipartRequestEntity(requestPart.toArray(new Part[1]), post.getParams()));

int status = client.executeMethod(post);

String result = post.getResponseBodyAsString();

if (status == HttpStatus.SC_OK) {
                logger.info("return result of uploading file is " + result);
            } else {
                if (null != result) {
                    result = "upload fail";
                }
                logger.warn("upload file fail.");
            }

Gson gson = new Gson();

T returnResult = gson.fromJson(result, returnClass);

return returnResult;
        } catch (Exception e) {
            e.printStackTrace();
            logger.warn("upload file fail.the filename is " + filename, e);
        } finally {
            if (null != post) {
                post.releaseConnection();
            }
        }
        return null;
    }