rest接口webservice接口利用http请求方式发送数据

所需依赖

<dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpclient</artifactId>
    <version>4.5.3</version>
</dependency>
<dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpcore</artifactId>
    <version>4.4.10</version>
</dependency>

 package com.sinoservices.bms.bbl.common.util;

 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.nio.charset.Charset;

 import org.apache.http.client.config.RequestConfig;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClients;
 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.serializer.SerializerFeature;

 /**
  *
  * @Description http调用工具类
  * @author Lynch.Feng
  * @Date 2018年10月26日 下午3:53:03
  * @version 1.0.0
  */
 public class HttpUtil {
     private static final Logger logger = LoggerFactory.getLogger(HttpUtil.class);

     private HttpUtil() {

     }

     private static CloseableHttpClient httpClient;

     static {
         PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
         cm.setMaxTotal(100);
         cm.setDefaultMaxPerRoute(20);
         cm.setDefaultMaxPerRoute(50);
         httpClient = HttpClients.custom().setConnectionManager(cm).build();
     }

     public static String get(String url) {
         CloseableHttpResponse response = null;
         BufferedReader in = null;
         String result = "";
         try {
             HttpGet httpGet = new HttpGet(url);
             RequestConfig requestConfig =
                     RequestConfig.custom().setConnectTimeout(30000).setConnectionRequestTimeout(30000).setSocketTimeout(30000).build();
             httpGet.setConfig(requestConfig);
             httpGet.setConfig(requestConfig);
             httpGet.addHeader("Content-type", "application/json; charset=utf-8");
             httpGet.setHeader("Accept", "application/json");
             response = httpClient.execute(httpGet);
             in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
             StringBuilder sb = new StringBuilder();
             String line = "";
             while ((line = in.readLine()) != null) {
                 sb.append(line);
             }
             in.close();
             result = sb.toString();
         } catch (IOException e) {
             logger.error("http request error", e);
         } finally {
             try {
                 if (null != response) {
                     response.close();
                 }
             } catch (IOException e) {
                 logger.error("close response error", e);
             }
         }
         return result;
     }

     public static String postJson(String url, String jsonString) {
         CloseableHttpResponse response = null;
         BufferedReader in = null;
         String result = "";
         try {
             HttpPost httpPost = new HttpPost(url);
             RequestConfig requestConfig =
                     RequestConfig.custom().setConnectTimeout(30000).setConnectionRequestTimeout(30000).setSocketTimeout(30000).build();
             httpPost.setConfig(requestConfig);
             httpPost.setConfig(requestConfig);
             httpPost.addHeader("Content-type", "application/json; charset=utf-8");
             httpPost.setHeader("Accept", "application/json");
             httpPost.setEntity(new StringEntity(jsonString, Charset.forName("UTF-8")));
             response = httpClient.execute(httpPost);
             in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
             StringBuilder sb = new StringBuilder();
             String line = "";
             while ((line = in.readLine()) != null) {
                 sb.append(line);
             }
             in.close();
             result = sb.toString();
         } catch (IOException e) {
             logger.error("http request error", e);
         } finally {
             try {
                 if (null != response) {
                     response.close();
                 }
             } catch (IOException e) {
                 logger.error("close response error", e);
             }
         }
         return result;
     }
 }