微信公众号，调用建行支付。
Posted shmilyhp
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了微信公众号，调用建行支付。相关的知识，希望对你有一定的参考价值。
由于微信支付费率是千分之六，在得知道建行龙支付可以做到千分之二，公司在成本这块就果断采取接建行，废话不说了直接贴代码
Service 层
相关的参数要求还得细对建行的文档
@Service public class CCBPayServiceImpl implements CCBPayApi private static final Logger LOGGER = LoggerFactory.getLogger(CCBPayServiceImpl.class); @Override public PayResult cCBPayment(PayRequestInfo payRequestInfo) throws BizException BigDecimal orderPrice = TypeConversionUtil.getBigDecimal(payRequestInfo.getOrderPrice()); HashMap<String, String> map = new HashMap<String, String>(); map.put("MERCHANTID", CCBConstants.MERCHANTID); map.put("POSID", CCBConstants.POSID); map.put("BRANCHID", CCBConstants.BRANCHID); map.put("ORDERID", payRequestInfo.getOrderNo()); map.put("PAYMENT", orderPrice.toString()); map.put("CURCODE", CCBConstants.CURCODE); map.put("REMARK1", CCBConstants.REMARK1); map.put("REMARK2", CCBConstants.REMARK2); map.put("TXCODE", CCBConstants.TXCODE); map.put("TYPE", CCBConstants.TYPE); map.put("GATEWAY", CCBConstants.GATEWAY); map.put("CLIENTIP", payRequestInfo.getSpbillCreateIp()); map.put("REGINFO", CCBConstants.REGINFO); map.put("PROINFO", CCBConstants.PROINFO); map.put("REFERER", CCBConstants.REFERER); // map.put("TIMEOUT", null); map.put("TRADE_TYPE", payRequestInfo.getTradeType()); map.put("SUB_APPID", payRequestInfo.getAppId()); map.put("SUB_OPENID", payRequestInfo.getOpenId()); // MD5加密 StringBuilder sb = new StringBuilder(); sb.append("MERCHANTID=").append(CCBConstants.MERCHANTID).append("&POSID=").append(CCBConstants.POSID) .append("&BRANCHID=").append(CCBConstants.BRANCHID).append("&ORDERID=") .append(payRequestInfo.getOrderNo()).append("&PAYMENT=").append(orderPrice.toString()) .append("&CURCODE=").append(CCBConstants.CURCODE).append("&TXCODE=").append(CCBConstants.TXCODE) .append("&REMARK1=").append(CCBConstants.REMARK1).append("&REMARK2=").append(CCBConstants.REMARK2) .append("&TYPE=").append(CCBConstants.TYPE).append("&PUB=").append(CCBConstants.PUB).append("&GATEWAY=") .append(CCBConstants.GATEWAY).append("&CLIENTIP=").append(payRequestInfo.getSpbillCreateIp()) .append("®INFO=").append(CCBConstants.REGINFO).append("&PROINFO=").append(CCBConstants.PROINFO) .append("&REFERER=").append(CCBConstants.REFERER).append("&TRADE_TYPE=") .append(payRequestInfo.getTradeType()).append("&SUB_APPID=").append(payRequestInfo.getAppId()) .append("&SUB_OPENID=").append(payRequestInfo.getOpenId()); String sign = MD5Utils.MD5Encode(sb.toString(), "UTF-8").toLowerCase(); map.put("MAC", sign); String data = null; CCBPayResult cCBPayResult = null; try data = HttpClientUtil.doPost(CCBConstants.CCB_CREATE_ORDER_URL, map); JSONObject parseObject = JSON.parseObject(data); LOGGER.info("cCBPayment data []", data); cCBPayResult = createOrderUrl(parseObject.getString("PAYURL")); if (!"true".equals(cCBPayResult.getSuccess()) || !"000000".equals(cCBPayResult.getErrcode())) throw new BizException(ErrorCode.BIZ_EXCEPTION.getErrcode(), "抱歉调用建行支付接口失败"); catch (Exception e) LOGGER.info("cCBPayment Error [],", data, e); throw new BizException(ErrorCode.BIZ_EXCEPTION.getErrcode(), e.getMessage()); return cCBPayResult; public CCBPayResult createOrderUrl(String payUrl) CCBPayResult ccbPayResult = new CCBPayResult(); String data = null; try data = HttpClientUtil.doPost(payUrl, null); JSONObject parseObject = JSON.parseObject(data); ccbPayResult.setSuccess(parseObject.getString("SUCCESS")); ccbPayResult.setErrcode(parseObject.getString("ERRCODE")); ccbPayResult.setErrmsg(parseObject.getString("ERRMSG")); ccbPayResult.setTxcode(parseObject.getString("TXCODE")); ccbPayResult.setAppId(parseObject.getString("appId")); ccbPayResult.setTimeStamp(parseObject.getString("timeStamp")); ccbPayResult.setNonceStr(parseObject.getString("nonceStr")); ccbPayResult.setPackageValue(parseObject.getString("package")); ccbPayResult.setSignType(parseObject.getString("signType")); ccbPayResult.setPaySign(parseObject.getString("paySign")); ccbPayResult.setPartnerid(parseObject.getString("partnerid")); ccbPayResult.setPrepayid(parseObject.getString("prepayid")); ccbPayResult.setMwebUrl(parseObject.getString("mweb_url")); LOGGER.info("createOrderUrl data []", data); catch (Exception e) LOGGER.info("createOrderUrl Error [],", data, e); e.printStackTrace(); return ccbPayResult;
封装请求的基本参数PayRequestInfo
public class PayRequestInfo implements java.io.Serializable private static final long serialVersionUID = -1249414762571339701L; /** * 订单号 */ private String orderNo; /** * 商品描述 */ private String body; /** * 支付类型 1：为原生态微信支付渠道 2：建议支付渠道 */ private Integer payType; /** * 支付金额，单位统一为分 */ private Integer orderPrice; /** * 公众号/小程序 用户唯一标识openId */ private String openId; /** * ip */ private String spbillCreateIp; /** * 微信支付时回调地址 */ private String notifyUrl; /** * 公众号/小程序的appid */ private String appId; /** * 交易类型 */ private String tradeType; public String getOrderNo() return orderNo; public void setOrderNo(String orderNo) this.orderNo = orderNo; public String getBody() return body; public void setBody(String body) this.body = body; public Integer getPayType() return payType; public void setPayType(Integer payType) this.payType = payType; public Integer getOrderPrice() return orderPrice; public void setOrderPrice(Integer orderPrice) this.orderPrice = orderPrice; public String getOpenId() return openId; public void setOpenId(String openId) this.openId = openId; public String getSpbillCreateIp() return spbillCreateIp; public void setSpbillCreateIp(String spbillCreateIp) this.spbillCreateIp = spbillCreateIp; public String getNotifyUrl() return notifyUrl; public void setNotifyUrl(String notifyUrl) this.notifyUrl = notifyUrl; public String getTradeType() return tradeType; public void setTradeType(String tradeType) this.tradeType = tradeType; public String getAppId() return appId; public void setAppId(String appId) this.appId = appId;
请求建行支付结构返回的结果集
public class CCBPayResult extends PayResult implements Serializable private static final long serialVersionUID = 8387757441935173456L; /** * 返回状态码 */ private String success; /** * 错误码 * 000000 表示交易成功，非 000000 表示交易失败 */ private String errcode; /** * 错误信 */ private String errmsg; /** * 交易码 */ private String txcode; /** * 微信分配的 APPID */ private String appId; /** * 时间戳 */ private String timeStamp; /** * 随机串 */ private String nonceStr; /** * 数据包 */ private String packageValue; /** * 签名方式 */ private String signType; /** * 签名数据 */ private String paySign; /** * 子商户的商户号 */ private String partnerid; /** * 预支付交易会话 ID */ private String prepayid; /** * 微信H5支付中间页面 URL */ private String mwebUrl; public String getSuccess() return success; public void setSuccess(String success) this.success = success; public String getErrcode() return errcode; public void setErrcode(String errcode) this.errcode = errcode; public String getErrmsg() return errmsg; public void setErrmsg(String errmsg) this.errmsg = errmsg; public String getTxcode() return txcode; public void setTxcode(String txcode) this.txcode = txcode; public String getAppId() return appId; public void setAppId(String appId) this.appId = appId; public String getTimeStamp() return timeStamp; public void setTimeStamp(String timeStamp) this.timeStamp = timeStamp; public String getNonceStr() return nonceStr; public void setNonceStr(String nonceStr) this.nonceStr = nonceStr; public String getPackageValue() return packageValue; public void setPackageValue(String packageValue) this.packageValue = packageValue; public String getSignType() return signType; public void setSignType(String signType) this.signType = signType; public String getPaySign() return paySign; public void setPaySign(String paySign) this.paySign = paySign; public String getPartnerid() return partnerid; public void setPartnerid(String partnerid) this.partnerid = partnerid; public String getPrepayid() return prepayid; public void setPrepayid(String prepayid) this.prepayid = prepayid; public String getMwebUrl() return mwebUrl; public void setMwebUrl(String mwebUrl) this.mwebUrl = mwebUrl;
HttpClientUtil
public class HttpClientUtil private static HttpClient httpClient = new DefaultHttpClient(); /** * 发送 get 请求 * * @param url * @return */ public static String get(String url) String body = null; try // get 请求 HttpGet httpGet = new HttpGet(url); // 发送请求 HttpResponse httpresponse = httpClient.execute(httpGet); // 获取返回数据 HttpEntity entity = httpresponse.getEntity(); body = EntityUtils.toString(entity, "UTF-8"); if (entity != null) entity.consumeContent(); catch (Exception e) e.printStackTrace(); return body; /** * 发送get 请求 * * @param url * @param params * @return */ public static String get(String url, List<NameValuePair> params) String body = null; try HttpGet httpGet = new HttpGet(url); String data = EntityUtils.toString(new UrlEncodedFormEntity(params)); httpGet.setURI(new URI(httpGet.getURI().toString() + "?" + data)); HttpResponse httpResponse = httpClient.execute(httpGet); HttpEntity entity = httpResponse.getEntity(); body = EntityUtils.toString(entity, "UTF-8"); if (entity != null) entity.consumeContent(); catch (Exception e) e.printStackTrace(); return body; /** * post * * @param url * @param params * @return */ public static String post(String url, List<NameValuePair> params) String body = null; try if (httpClient == null) httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(url); httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8")); HttpResponse httpResponse = httpClient.execute(httpPost); HttpEntity entity = httpResponse.getEntity(); body = EntityUtils.toString(entity, "UTF-8"); if (entity != null) entity.consumeContent(); catch (Exception e) e.printStackTrace(); return body; /** * 以 closeableHttpClient方式 发送get 请求 * * @param uri * @return */ public static String getCloseableHttpResponse(String url) String body = null; try CloseableHttpClient client = HttpClients.custom().build(); HttpGet httpGet = new HttpGet(url); CloseableHttpResponse chr = client.execute(httpGet); String data = EntityUtils.toString(chr.getEntity(), "UTF-8"); JSONObject json = JSON.parseObject(data); body = json.toString(); catch (Exception e) e.printStackTrace(); return body; /** * post 请求 * @param url * @param param * @return */ public static String doPost(String url, Map<String, String> param) CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpResponse response = null; String resultString = ""; try HttpPost httpPost = new HttpPost(url); if (param != null) List<NameValuePair> paramList = new ArrayList<>(); for (String key : param.keySet()) paramList.add(new BasicNameValuePair(key, param.get(key))); UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList, "utf-8"); httpPost.setEntity(entity); response = httpClient.execute(httpPost); resultString = EntityUtils.toString(response.getEntity(), "utf-8"); catch (Exception e) e.printStackTrace(); finally try response.close(); catch (IOException e) e.printStackTrace(); return resultString;
MD5Utils
public class MD5Utils private static String byteArrayToHexString(byte b[]) StringBuffer resultSb = new StringBuffer(); for (int i = 0; i < b.length; i++) resultSb.append(byteToHexString(b[i])); return resultSb.toString(); private static String byteToHexString(byte b) int n = b; if (n < 0) n += 256; int d1 = n / 16; int d2 = n % 16; return hexDigits[d1] + hexDigits[d2]; public static String MD5Encode(String origin, String charsetname) String resultString = null; try resultString = new String(origin); MessageDigest md = MessageDigest.getInstance("MD5"); if (charsetname == null || "".equals(charsetname)) resultString = byteArrayToHexString(md.digest(resultString .getBytes())); else resultString = byteArrayToHexString(md.digest(resultString .getBytes(charsetname))); catch (Exception exception) return resultString; private static final String hexDigits[] = "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" ;
Controller 层就省略了
以上是关于微信公众号，调用建行支付。的主要内容，如果未能解决你的问题，请参考以下文章