401鉴权请求代码

package com.ctsing.emsm.module.cmcc.qlyapi;

import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
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.util.EntityUtils;

import com.ctsing.emsm.module.cmcc.util.Util;

import net.sf.json.JSONObject;


public class BaseAPI extends Util{

JSONObject responseResult;

public  JSONObject getResponseInTypeOfPost(String url,JSONObject param){

CloseableHttpClient client = HttpClients.createDefault();
        try {
        
     //第一次请求