通过HttpClient4.5模拟Form表单文件上传

public static void main(String[] args) {

        CloseableHttpClient httpclient = HttpClients.createDefault();

        CloseableHttpResponse response = null;

        String result = null;

        InputStream inputStream = null;

        try {

            inputStream = new FileInputStream("D:\\test.pdf");

            HttpPost httpPost = new HttpPost("http://127.0.0.1/test");

            MultipartEntityBuilder builder = MultipartEntityBuilder.create();

            builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);

            builder.addBinaryBody("wj", inputStream, ContentType.create("multipart/form-data"), "test.pdf");

            //构建请求参数 普通表单项

            StringBody stringBody = new StringBody("100001", ContentType.MULTIPART_FORM_DATA);

            builder.addPart("serial_no", stringBody);

            stringBody = new StringBody("200", ContentType.MULTIPART_FORM_DATA);

            builder.addPart("xPosition", stringBody);

            stringBody = new StringBody("200", ContentType.MULTIPART_FORM_DATA);

            builder.addPart("yPosition", stringBody);

            stringBody = new StringBody("2", ContentType.MULTIPART_FORM_DATA);

            builder.addPart("sealType", stringBody);

            stringBody = new StringBody("1", ContentType.MULTIPART_FORM_DATA);

            builder.addPart("paegNum", stringBody);

            builder.setCharset(CharsetUtils.get("UTF-8"));

            HttpEntity entity = builder.build();

            httpPost.setEntity(entity);

            response = httpclient.execute(httpPost);

            int statusCode = response.getStatusLine().getStatusCode();

            System.out.println("statusCode:" + statusCode);

            if (statusCode == HttpStatus.SC_OK) {

                HttpEntity resEntity = response.getEntity();

                result = EntityUtils.toString(resEntity, "UTF-8");

            }

            System.out.println("result:" + result);

        } catch (IOException ex) {

            Logger.getLogger(QzTest.class.getName()).log(Level.SEVERE, null, ex);

        } finally {

            try {

                if (null != inputStream) {

                    inputStream.close();

                }

            } catch (IOException ex) {

                Logger.getLogger(QzTest.class.getName()).log(Level.SEVERE, null, ex);

            } finally {

                httpclient.getConnectionManager().shutdown();

            }

        }

    }