工商银行支付接口-处理工行支付成功后的消息通知

/**
* 处理工行支付成功通知
*/
public void notifyDate(String notifyDataBase64, String signMsg, String merVAR, String realPath) {
String encoding = "gbk";
log.debug("接收工行通知信息原文：notifyData:" + notifyDataBase64);
log.debug("接收工行通知信息原文：signMsg:" + signMsg);
log.debug("接收工行通知信息原文：merVAR:" + merVAR);
byte[] notifyDataBytes = null;
String notifyData = null;
try {
notifyDataBytes = ReturnValue.base64dec(notifyDataBase64.getBytes(encoding));
notifyData = new String(notifyDataBytes, encoding);
log.debug("接收工行通知信息：notifyData:base64解码后：" + notifyData);
} catch(UnsupportedEncodingException e) {
log.error("工行解析通知内容出错:", e);
throw new RuntimeException(e);
}
String dir = realPath + "/resources/files/bank/icbc/crt/";
//获取工行证书
byte[] bCert = null;
try {
FileInputStream fis = new FileInputStream(dir + "admin.crt");
bCert = new byte[fis.available()];
fis.read(bCert);
fis.close();
} catch(IOException e) {
log.error("读取admin.crt,文件出错:", e);
throw new RuntimeException(e);
}
byte[] bSign = cn.com.infosec.icbc.ReturnValue.base64dec((signMsg.getBytes()));
byte[] bSrc = notifyDataBytes;
//开始验签
int recode = -1;
try {
recode = cn.com.infosec.icbc.ReturnValue.verifySign(bSrc, bSrc.length, bCert, bSign);
} catch(Exception e) {
log.error("验签出错:", e);
throw new RuntimeException(e);
}
if(recode != 0) {
log.debug("工行验签失败验证返回码：" + recode);
return;
}
log.debug("工行验签成功,开始解析通知内容");
//解析通知内容 ： 订单号、是否支付成功、金额
//notifyData
XmlParser xmlParser = new XmlParser(new ByteArrayInputStream(notifyDataBytes));
String orderId = xmlParser.getElementText("/B2CRes/orderInfo/subOrderInfoList/subOrderInfo/orderid");
String amount = xmlParser.getElementText("/B2CRes/orderInfo/subOrderInfoList/subOrderInfo/amount");
String tranStat = xmlParser.getElementText("/B2CRes/bank/tranStat");
log.debug("工行订单支付成功通知: 订单号:" + orderId + " 支付状态:" + tranStat + " 金额:" + amount);
if(!"1".equals(tranStat)) {
log.debug("订单状态为未支付成功,返回");
return;
}
//查询订单信息
ExamOrder examOrder = this.examOrderService.queryExamOrderByOrderNum(orderId);
int examOrderMoney = (new Double(examOrder.getMoney() * 100)).intValue();
if(!amount.equals(Integer.valueOf(examOrderMoney).toString())) {
log.debug("实际支付订单金额与应付金额不等,返回");
return;
}
//更新订单状态为已结算
try {
log.debug("更新订单" + orderId + "状态为已结算");
this.examOrderService.updateSuccessOrder(orderId);
} catch(Exception e) {
log.error("更新订单状态为已结算出错", e);
throw new RuntimeException(e);
}
}