//import相关类

import java.io.FileInputStream;

import java.security.KeyStore;

import java.util.Date;

import java.util.List;

import java.util.Map;

import javax.net.ssl.KeyManagerFactory;

import javax.net.ssl.SSLContext;

import javax.net.ssl.SSLSocketFactory;

import javax.net.ssl.TrustManager;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.apache.http.HttpEntity;

import org.apache.http.client.methods.CloseableHttpResponse;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.conn.ssl.SSLConnectionSocketFactory;

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 org.springframework.web.context.ContextLoader;

//加载密钥

KeyStore clientKeyStore = KeyStore.getInstance("PKCS12");

clientKeyStore.load(new FileInputStream(, );

//加载密钥

KeyStore clientTrustKeyStore = KeyStore.getInstance("PKCS12");

clientTrustKeyStore.load(new FileInputStream(, );

//密钥工厂

KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());

kmf.init(clientKeyStore, );

//通道信任

TrustManager[] tm = { new MyX509TrustManager() };

//通道协议

SSLContext sslContext = SSLContext.getInstance("TLSv1");

sslContext.init(kmf.getKeyManagers(), tm, new java.security.SecureRandom());

//通道工厂

SSLSocketFactory socketFactory = sslContext.getSocketFactory();

//创建通道端口

SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(socketFactory, SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);

CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(sslsf).build();

//开始调用

HttpPost httppost = new HttpPost();

httppost.addHeader("Connection", "keep-alive");

httppost.addHeader("Accept", "*/*");

httppost.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");

httppost.addHeader("Host", "api.mch.weixin.qq.com");

httppost.addHeader("X-Requested-With", "XMLHttpRequest");

httppost.addHeader("Cache-Control", "max-age=0");

httppost.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");

httppost.setEntity(new StringEntity(, "utf-8"));

//调用

CloseableHttpResponse response = httpclient.execute(httppost);

HttpEntity entity = response.getEntity();

//获取返回的字符串

String result = new String(EntityUtils.toString(entity,"gbk").getBytes(),"utf-8");

//此处用到了一个类

import java.security.cert.CertificateException;

import java.security.cert.X509Certificate;

import javax.net.ssl.X509TrustManager;

public class MyX509TrustManager implements X509TrustManager {

public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {}

public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {}

public X509Certificate[] getAcceptedIssuers() {

return null;

}

}