JAVA服务器间文件上传与参数传递

import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

 public static String postUpLoad(String url, File file, String path) {

            CloseableHttpClient httpClient = null;
            CloseableHttpResponse response = null;
            try {
                httpClient = HttpClients.createDefault();

                // 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(url);

                // 把文件转换成流对象FileBody
                FileBody bin = new FileBody(file);

                /*
                 * StringBody userName = new StringBody("Scott", ContentType.create(
                 * "text/plain", Consts.UTF_8));
                 */
                StringBody filePath = new StringBody(path, ContentType.create("text/plain", Consts.UTF_8));

                HttpEntity reqEntity = MultipartEntityBuilder.create()
                        // 相当于
                        .addPart("filepath", filePath).addPart("upfile", bin)
                        // 相当于
                        // .addPart("pass", password)
                        .build();

                httpPost.setEntity(reqEntity);

                // 发起请求 并返回请求的响应
                response = httpClient.execute(httpPost);

                System.out.println("The response value of token:" + response.getFirstHeader("token"));

                // 获取响应对象
                HttpEntity resEntity = response.getEntity();
                if (resEntity != null) {
                    return (String) JSONObject.parseObject(EntityUtils.toString(resEntity, "utf-8")).get("data");
                }
                // 销毁
                EntityUtils.consume(resEntity);
            } catch (Exception e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            } finally {
                try {
                    if (response != null) {
                        response.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }

                try {
                    if (httpClient != null) {
                        httpClient.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return null;
        }