微信企业账户退款

//退款代码
@RequestMapping(value = “/refundMoney”)
@ResponseBody
public String refundMoney(@LoginUser Member member,HttpServletRequest request,String orderNumber)
throws UnrecoverableKeyException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException,
IOException, CertificateException {

    String ip = request.getHeader("X-Forwarded-For");
    if (ip != null && ip.length() != 0 && !"unknown".equalsIgnoreCase(ip)) {
        //多次反向代理后会有多个ip值，第一个ip才是真实ip
        int index = ip.indexOf(",");
        if(index != -1){
            ip= ip.substring(0,index);
        }
    }

    //Order order=orderService.queryByOrderNumber(orderNumber);

    String currTime = TenpayUtil.getCurrTime();
    String strTime = currTime.substring(8, currTime.length());
    String strRandom = TenpayUtil.buildRandom(4) + "";
    String nonce_str = strTime + strRandom;
    //String order_price = order.getAmount().multiply(new BigDecimal(100)).toBigInteger().toString();
    SortedMap<String, String> packageParams = new TreeMap<String, String>();
    String check_name = "NO_CHECK"; //是否验证真实姓名呢
    //NO_CHECK：不校验真实姓名
    //FORCE_CHECK：强校验真实姓名

    packageParams.put("mch_appid", GlobalConfig.APPID);         //微信公众号的appid
    packageParams.put("mchid", GlobalConfig.MCH_ID);       //商务号
    packageParams.put("nonce_str",nonce_str);  //随机生成后数字，保证安全性

    packageParams.put("partner_trade_no",orderNumber); //生成商户订单号
    packageParams.put("openid",member.getOpenId());            // 支付给用户openid
    packageParams.put("check_name",check_name);    //是否验证真实姓名呢
    packageParams.put("re_user_name","hu");//收款用户姓名
    packageParams.put("amount","100");            //企业付款金额，单位为分
    packageParams.put("desc","测试功能");    			   //企业付款操作说明信息。必填。
    packageParams.put("spbill_create_ip",ip); //调用接口的机器Ip地址


    Map map = wechatPayService.forRefund2(packageParams);
    if (map != null) {
        String return_code = (String) map.get("return_code");
        String result_code = (String) map.get("result_code");
        if (return_code.equals("SUCCESS") && result_code.equals("SUCCESS")) {
            // 退款成功
            orderService.refundSuccess(map,(String) map.get("out_trade_no"));

            return "退款成功";
        } else {
            return  (String) map.get("err_code_des");
        }
    } else {
        return "未知的错误";
    }
}

记得需要证书

public Map<String, Object> forRefund2(SortedMap<String, String> packageParams) throws KeyStoreException, IOException,
UnrecoverableKeyException, NoSuchAlgorithmException, KeyManagementException, CertificateException {
String sign = createSign(packageParams);
String xml = “”
+ “<mch_appid><![CDATA[" + packageParams.get("mch_appid") + "]]></mch_appid>”
+ “<![CDATA[" + packageParams.get("mchid") + "]]>”
+ “<nonce_str><![CDATA[" + packageParams.get("nonce_str") + "]]></nonce_str>”
+ “<partner_trade_no><![CDATA[" + packageParams.get("partner_trade_no") + "]]></partner_trade_no>”
+ “<![CDATA[" + packageParams.get("openid") + "]]>”
+ “<check_name><![CDATA[" + packageParams.get("check_name") + "]]></check_name>”
+ “<re_user_name><![CDATA[" + packageParams.get("re_user_name") + "]]></re_user_name>”
+ “<![CDATA[" + packageParams.get("amount") + "]]>”
+ “ <![CDATA[" + packageParams.get("desc") + "]]> ”
+ “<spbill_create_ip><![CDATA[" + packageParams.get("spbill_create_ip") + "]]></spbill_create_ip>”
+ “” + sign + “” + “”;
Map doXMLtoMap = new HashMap();
KeyStore keyStore = KeyStore.getInstance(“PKCS12”);
String P12_PASSWORD = GlobalConfig.MCH_ID;
FileInputStream inputStream = new FileInputStream(cretUrl + “//apiclient_cert.p12”);
try {
keyStore.load(inputStream,P12_PASSWORD.toCharArray());
} catch (IOException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (CertificateException e) {
e.printStackTrace();
} finally {
inputStream.close();
}
SSLContext sslcontext = SSLContexts.custom().loadKeyMaterial(keyStore, P12_PASSWORD.toCharArray()).build();
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslcontext, new String[] { “TLSv1” }, null,
SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
DefaultHttpClient client = new DefaultHttpClient();
client.getParams().setParameter(ClientPNames.ALLOW_CIRCULAR_REDIRECTS, true);
CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(sslsf).build();
String refundUrl=“https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers”;
HttpPost httpPost = new HttpPost(refundUrl);

	try {
		httpPost.setEntity(new StringEntity(xml, "UTF-8"));
		CloseableHttpResponse response = httpClient.execute(httpPost);
		String jsonStr = EntityUtils.toString(response.getEntity(), "UTF-8");
		if (jsonStr.indexOf("FAIL") >= 0) {
			return null;
		}
		doXMLtoMap = XMLUtil.doXMLParse(jsonStr);
		return doXMLtoMap;
	} catch (Exception e) {
		e.printStackTrace();
	} finally {
		httpClient.close();
	}
	return null;
}