springboot整合支付宝沙箱支付代码

好的，以下是Spring Boot整合支付宝沙箱支付的代码示例：

@RestController
@RequestMapping("/alipay")
public class AlipayController {

    @Autowired
    private AlipayService alipayService;

    /**
     * 获取支付宝支付二维码
     *
     * @param orderNo 订单号
     * @param amount  金额
     * @return 二维码图片base64编码
     */
    @GetMapping("/qrCode")
    public String getQrCode(@RequestParam String orderNo, @RequestParam BigDecimal amount) {
        return alipayService.getQrCode(orderNo, amount);
    }

    /**
     * 处理支付宝异步通知
     *
     * @param request 请求参数
     * @return
     */
    @PostMapping("/notify")
    public String handleNotify(HttpServletRequest request) {
        return alipayService.handleNotify(request);
    }

}

AlipayService的实现示例：

@Service
public class AlipayServiceImpl implements AlipayService {

    @Value("${alipay.appId}")
    private String appId;

    @Value("${alipay.gatewayUrl}")
    private String gatewayUrl;

    @Value("${alipay.privateKey}")
    private String privateKey;

    @Value("${alipay.publicKey}")
    private String publicKey;

    @Value("${alipay.notifyUrl}")
    private String notifyUrl;

    @Autowired
    private AlipayClient alipayClient;

    @Override
    public String getQrCode(String orderNo, BigDecimal amount) {
        try {
            AlipayTradePrecreateRequest request = new AlipayTradePrecreateRequest();
            request.setNotifyUrl(notifyUrl);
            request.setBizContent("{" +
                    "\"out_trade_no\":\"" + orderNo + "\"," +
                    "\"total_amount\":\"" + amount + "\"," +
                    "\"subject\":\"订单支付\"," +
                    "\"store_id\":\"001\"," +
                    "\"timeout_express\":\"90m\"}");

            AlipayTradePrecreateResponse response = alipayClient.execute(request);
            if (response.isSuccess()) {
                return response.getQrCode();
            } else {
                log.error("获取支付宝支付二维码失败：{}", response.getSubMsg());
                return null;
            }
        } catch (AlipayApiException e) {
            log.error("获取支付宝支付二维码异常：{}", e.getMessage());
            return null;
        }
    }

    @Override
    public String handleNotify(HttpServletRequest request) {
        Map<String, String> params = new HashMap<>();
        Map<String, String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
            String name = iter.next();
            String[] values = 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);
        }

        try {
            boolean verifyResult = AlipaySignature.rsaCheckV1(params, publicKey, "UTF-8", "RSA2");
            if (verifyResult) {
                // 处理异步通知
                String tradeStatus = params.get("trade_status");
                String outTradeNo = params.get("out_trade_no");
                if ("TRADE_SUCCESS".equals(tradeStatus)) {
                    // 支付成功
                    // TODO 处理支付成功的业务逻辑
                } else {
                    // 支付失败
                    // TODO 处理支付失败的业务逻辑
                }
                return "success";
            } else {
                log.error("支付宝异步通知验签失败：{}", params.toString());
                return "fail";
            }
        } catch (AlipayApiException e) {
            log.error("支付宝异步通知验签异常：{}", e.getMessage());
            return "fail";
        }
    }
}

在application.yml中添加支付宝相关配置：

alipay:
  appId: your_app_id
  gatewayUrl: https://openapi.alipaydev.com/gateway.do
  privateKey: your_private_key
  publicKey: your_public_key
  notifyUrl: your_notify_url

其中，notifyUrl是支付宝异步通知的回调地址，需要在支付宝开放平台中配置。

以上代码仅供参考，具体实现还需要根据自己的业务需求进行调整。