支付宝APP支付,无论在文档上,还是在demo上,比微信支付高好几个level吧.使用起来非常方便,基本上不会有什么太大的坑,只要严格按照demo,和文档进行操作的话,基本上可以一把过的.在这里要提示下,加签和验签使用的公钥问题:加签是在开发商平台查看公钥的时候的:应用公钥,而回调验签使用的,在开发商平台查看公钥的时候的:支付公钥.一定要注意这个,要不回调会报错的.
Controller:
@PostMapping("/payRequest")
@ApiOperation("统一下单alipay支付")
public Result payRequest(@RequestBody MallOrderPayDto mallOrderPayDto) throws Exception {
log.info("ali 支付:{}",mallOrderPayDto);
try {
Map maps = aliPayService.payRequest(mallOrderPayDto);
return super.success(maps);
} catch (Exception e) {
log.info("订单ali支付异常:{}",e);
return super.error("订单数据异常!");
}
}
@PostMapping(value = "/aliPayOrderCallBack")
@ApiOperation("alipay支付回调")
public Map aliPayOrderCallBack(HttpServletRequest request){
Map map = new HashMap();
try {
AliPayVO aliPayVo = friendsMallAliPayService.aliPayCallBack(request);
aliPayService.aliPayOrderCallBack(aliPayVo);
map.put("msg", "SUCCESS");
} catch (Exception e) {
e.printStackTrace();
log.error("aliPayOrderCallBack Error.",e);
}
return map;
}
Service:
public interface AliPayService {
//支付宝支付
public Map payRequest(OrderPayDto orderPayDto) throws Exception;
//支付宝回调
public AliPayVO aliPayCallBack(HttpServletRequest request) throws Exception;
//支付宝订单支付回调业务处理
public void aliPayOrderCallBack(AliPayVO aliPayVo) throws Exception;
}
ServiceImpl:
@Slf4j
@Service
@Transactional(rollbackFor = Exception.class)
public class AliPayServiceImpl implements AliPayService {
//订单支付支付宝回调地址
public static String ALIPAY_ORDER_CALLBACK = "http://127.0.0.1:8080/api/alipay/aliPayOrderCallBack";
@Override
public Map payRequest(OrderPayDto orderPayDto) throws Exception {
Map map = new HashMap();
//TODO 要查库.获取配置
AlipayConfig alipayConfig = new AlipayConfig();
alipayConfig.setUrl("https://openapi.alipay.com/gateway.do");
alipayConfig.setAppId("2020920193812");//appId
alipayConfig.setRsaPrivateKey("aaaa");//私钥
alipayConfig.setAlipayPublicKey("bbbbbbb");//公钥
alipayConfig.setCharset("utf-8");//编码格式
alipayConfig.setFormat("json");//返回格式
alipayConfig.setSignType("RSA2");//签名方式
//实例化客户端
log.info("实例化客户端开始=====================");
AlipayClient alipayClient = new DefaultAlipayClient(alipayConfig.getUrl(), alipayConfig.getAppId(),
alipayConfig.getRsaPrivateKey(), alipayConfig.getFormat(), alipayConfig.getCharset(),
alipayConfig.getAlipayPublicKey(), alipayConfig.getSignType());
AlipayTradeAppPayRequest aliPayRequest = new AlipayTradeAppPayRequest();
AlipayTradePayModel model = new AlipayTradePayModel();
log.info("封装ali支付请求参数==================");
//支付编号
String orderNum = PayUtils.getOrderNumber();
log.info("支付订单号:{}",orderNum);
model.setOutTradeNo(orderNum);
//订单名称
model.setSubject("订单描述");
//支付总金额
String money = totalAmount.toString()+".00"; //此处是测试demo的时候临时加的,自行处理下String的,小数点后两位.
model.setTotalAmount(money);
//超时则关闭订单
model.setTimeoutExpress("30m");
aliPayRequest.setBizModel(model);
//异步回调地址
aliPayRequest.setNotifyUrl(ALIPAY_ORDER_CALLBACK);
AlipayTradeAppPayResponse response = alipayClient.sdkExecute(aliPayRequest);
map.put("aliPaySdk", response.getBody());
log.info("支付宝支付加密结果:{}",map);
log.info("alipay 参数封装完成,开始入库流水=================订单号:{}",orderNum);
return map;
}
@Override
public AliPayVO aliPayCallBack(HttpServletRequest request) throws Exception {
AlipayConfig alipayConfig = new AlipayConfig();
//获取支付宝反馈信息
Map params = new HashMap();
Map requestParams = request.getParameterMap();
for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
String name = (String) iter.next();
String[] values = (String[]) requestParams.get(name);
String valueStr = "";
for (int i = 0; i < values.length; i++) {
valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";
}
params.put(name, valueStr);
}
//调用SDK验证签名
boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getAlipayPublicKey(), alipayConfig.getCharset(), alipayConfig.getSignType());
//校验签名
if (!signVerified) {
log.error("1.支付宝支付回调签名不正确");
throw new Exception("支付宝支付回调签名不正确");
}
//校验支付状态
if (!request.getParameter("trade_status").equals("TRADE_SUCCESS")) {
log.error("2.支付宝支付回调支付状态不正确");
throw new Exception("支付宝支付回调支付状态不正确");
}
AliPayVO aliPayVo = new AliPayVO();
//商户订单号-系统生成订单号
String outTradeNo = request.getParameter("out_trade_no");
aliPayVo.setOutTradeNo(outTradeNo);
//支付订单号-阿里28位订单号
String tradeNo = request.getParameter("trade_no");
aliPayVo.setPayOrderNo(tradeNo);
//交易状态
String tradeStatus = request.getParameter("trade_status");
aliPayVo.setTradeStatus(tradeStatus);
//资金总额
String totalAmount = request.getParameter("total_amount");
aliPayVo.setTotalAmount(totalAmount);
//卖家支付宝账户
String sellerId = request.getParameter("seller_id");
aliPayVo.setSellerId(sellerId);
//买家支付宝账户
String buyerLogonId = request.getParameter("buyer_logon_id");
aliPayVo.setBuyerLogoinId(buyerLogonId);
//签名方式
aliPayVo.setSignType(alipayConfig.getSignType());
//签名
String sign = request.getParameter("sign");
aliPayVo.setSign(sign);
return aliPayVo;
}
@Override
public void aliPayOrderCallBack(AliPayVO aliPayVo) throws Exception {
log.info("3.alipay 回调开始============:{}",aliPayVo);
if (aliPayVo != null && StringUtil.isNotEmpty(aliPayVo.getOutTradeNo())) {
synchronized (aliPayVo.getOutTradeNo()) {
MallUserRechargeDetail order = friendsMallUserRechargeDetailService.selectByOrderId(aliPayVo.getOutTradeNo());
if (order.getStatus().equals(0)) {
if (aliPayVo.getTradeStatus().equals("TRADE_FINISHED")) {
//交易创建,等待买家付款
log.info("4.交易创建,等待买家付款:TRADE_FINISHED");
} else if (aliPayVo.getTradeStatus().equals("WAIT_BUYER_PAY")) {
//未付款交易超时关闭,或支付完成后全额退款
log.info("5.未付款交易超时关闭,或支付完成后全额退款:WAIT_BUYER_PAY");
} else if (aliPayVo.getTradeStatus().equals("TRADE_CLOSED")) {
//交易结束,不可退款
log.info("6.交易结束,不可退款:TRADE_CLOSED");
} else if (aliPayVo.getTradeStatus().equals("TRADE_SUCCESS")) {
//交易支付成功
log.info("7.支付状态成功:TRADE_SUCCESS");
MallUserRechargeDetail mallUserRechargeDetail = friendsMallUserRechargeDetailService.selectByOrderId(aliPayVo.getOutTradeNo());
log.info("8.根据订单号,查询用户充值记录,订单号:{},充值记录:{}",aliPayVo.getOutTradeNo(),mallUserRechargeDetail);
//订单金额
BigDecimal payNumSum = new BigDecimal(mallUserRechargeDetail.getMoney());
log.info("9.订单金额:{}",payNumSum);
//资金总额
BigDecimal totalAmount = new BigDecimal(aliPayVo.getTotalAmount());
log.info("10.回调金额:{}",totalAmount);
//以防万一,校验金额
if (payNumSum.compareTo(totalAmount) != 0) {
log.error("11.***订单号: " + aliPayVo.getOutTradeNo() + "***支付宝支付金额与订单需支付金额不一致***支付宝支付金额为:" + totalAmount + " ***订单需支付金额总为:" + payNumSum + "***日期:" + new Date());
throw new Exception("订单金额和回调金额不一致.");
}
log.info("12.校验订单状态,防止重复回调======================");
if (mallUserRechargeDetail.getStatus() == 1){
log.error("13.***订单号: " + aliPayVo.getOutTradeNo() + "**********支付状态为已成功,人工处理==============");
throw new Exception("订单状态为已支付,后续不处理,有异常人工处理.");
}
//中间的数据校验和业务处理省略了
log.info( i > 0 ? " 28.交易日志记录保存成功!" : "交易日志记录保存失败!");
}
} else {
log.info("29.该订单已支付处理,交易编号为: " + aliPayVo.getOutTradeNo());
}
}
}
}
}
实体:
@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class AlipayConfig {
//appId
private String appId;
//私钥
private String rsaPrivateKey;
//请求网关地址
private String url;
//编码格式
private String charset;
//返回格式
private String format;
//支付宝公钥
private String alipayPublicKey;
//签名方式
private String signType;
}
依赖:
com.alipay.sdk
alipay-sdk-java
${alipay-sdk-java.version}
4.9.71.ALL