java微信退款支持部分退款

亲测，需要注意的地方在博客中有：http://blog.csdn.net/goligory/article/details/79274416

package com.xiaojubianli.driver.biz.utils.pay;

import com.jpay.util.xmlHelper;
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.conn.ssl.SSLContexts;
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 javax.net.ssl.SSLContext;
import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.FileInputStream;
import java.security.KeyStore;
import java.util.Map;

/**
 * This example demonstrates how to create secure connections with a custom SSL
 * context.
 */
public class ClientCustomSSL {
    public Map doRefund（String url String dataHttpServletRequest request） throws Exception {
        /**
         * 注意PKCS12证书 是从微信商户平台-》账户设置-》 API安全 中下载的
         */
        String path=this.getClass（）.getClassLoader（）.getResource（“/“）.getPath（）;
        String pathStr=path+ “apiclient_cert.p12“;
        System.out.println（“pathstr-->“+pathStr）;
        KeyStore keyStore  = KeyStore.getInstance（“PKCS12“）;
        FileInputStream instream = new FileInputStream（new File（pathStr））;//P12文件目录
        try {
            /**
             * 此处要改
             * */
            keyStore.load（instream RefundUtil.mch_id.toCharArray（））;//这里写密码..默认是你的MCHID
        } finally {
            instream.close（）;
        }
        // Trust own CA and all self-signed certs
        /**
         * 此处要改
         * */
        SSLContext sslcontext = SSLContexts.custom（）
                .loadKeyMaterial（keyStore RefundUtil.mch_id.toCharArray（））//这里也是写密码的
                .build（）;
        // Allow TLSv1 protocol only
        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory（
                sslcontext
                new String[] { “TLSv1“ }
                null
                SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER）;
        CloseableHttpClient httpclient = HttpClients.custom（）
                .setSSLSocketFactory（sslsf）
                .build（）;
        try {
            HttpPost httpost = new HttpPost（url）; // 设置响应头信息
            httpost.addHeader（“Connection“ “keep-alive“）;
            httpost.addHeader（“Accept“ “*/*“）;
            httpost.addHeader（“Content-Type“ “application/x-www-form-urlencoded; charset=UTF-8“）;
            httpost.addHeader（“Host“ “api.mch.weixin.qq.com“）;
            httpost.addHeader（“X-Requested-With“ “xmlHttpRequest“）;
            httpost.addHeader（“Cache-Control“ “max-age=0“）;
            httpost.addHeader（“User-Agent“ “Mozilla/4.0 （compatible; MSIE 8.0; Windows NT 6.0） “）;
            httpost.setEntity（new StringEntity（data “UTF-8“））;
            CloseableHttpResponse response = httpclient

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       1985  2018-02-01 16:54  Sha1Util.java

     文件       3672  2018-02-01 16:54  TenpayUtil.java

     文件       3655  2018-02-01 16:54  ClientCustomSSL.java

     文件       1179  2018-02-01 16:54  MD5Util.java

     文件       2577  2018-02-06 22:05  RefundUtil.java

     文件       6399  2018-02-01 16:54  RequestHandler.java

----------- ---------  ---------- -----  ----

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