spring boot 后台访问接口

现在做一个项目，大概内容是 从别的项目接口里拿数据，
然后利用socket 通讯 跟银行对接， 也获取数据
两个数据比对后返回前台
开始

public PayDO search(StudentDO studentDO) throws IOException {
//调用后台接口

String data = JSONObject.toJSONString(studentDO); //要请求到接口的参数--这里是json 格式的字符串
String fileServiceUrl="http://127.0.0.1:8088/school/getone";	//接口路径
//发送请求，获取结果
String result = HttpUtil.doPost(fileServiceUrl, data);//result  就是结果
PayDO entiy = null;

if(StringUtils.isNotBlank(result)){
//把json 串转成实体
com.fasterxml.jackson.databind.ObjectMapper mapper = new com.fasterxml.jackson.databind.ObjectMapper();
entiy = mapper.readValue(result, PayDO.class);
System.out.println(entiy);
}

下面是util

import com.yhk.weixin.search.domain.StudentDO;
import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
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.protocol.HTTP;
import org.apache.http.util.EntityUtils;

import java.util.HashMap;
import java.util.Map;

/**
* Http工具类
*/
public class HttpUtil {

/**
* 发送POST请求
* @param url 请求url
* @param data 请求数据
* @return 结果
*/
@SuppressWarnings("deprecation")
public static String doPost(String url, String data) {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);
RequestConfig requestConfig = RequestConfig.custom()
.setSocketTimeout(10000).setConnectTimeout(20000)
.setConnectionRequestTimeout(10000).build();
httpPost.setConfig(requestConfig);
String context = StringUtils.EMPTY;
if (!StringUtils.isEmpty(data)) {
StringEntity body = new StringEntity(data, "utf-8");
httpPost.setEntity(body);
}
// 设置回调接口接收的消息头
httpPost.addHeader("Content-Type", "application/json");
CloseableHttpResponse response = null;
try {
response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
context = EntityUtils.toString(entity, HTTP.UTF_8);
} catch (Exception e) {
e.getStackTrace();
} finally {
try {
response.close();
httpPost.abort();
httpClient.close();
} catch (Exception e) {
e.getStackTrace();
}
}
return context;
}

/**
* 解析出url参数中的键值对
* @param url url参数
* @return 键值对
*/
public static Map<String, String> getRequestParam(String url) {

Map<String, String> map = new HashMap<String, String>();
String[] arrSplit = null;

// 每个键值为一组
arrSplit = url.split("[&]");
for (String strSplit : arrSplit) {
String[] arrSplitEqual = null;
arrSplitEqual = strSplit.split("[=]");

// 解析出键值
if (arrSplitEqual.length > 1) {
// 正确解析
map.put(arrSplitEqual[0], arrSplitEqual[1]);
} else {
if (arrSplitEqual[0] != "") {
map.put(arrSplitEqual[0], "");
}
}
}
return map;
}
}