App 支付宝支付

1.调起支付流程:

App 支付宝支付

第一步:创建应用并获取APPID

去蚂蚁金服开放平台(open.alipay.com),在开发者中心中创建应用,会生成应用唯一标识(APPID),申请开通支付功能。。

第二步:配置密钥

  1. 支付宝公钥:支付宝的RSA公钥,商户使用该公钥验证该结果是否是支付宝返回的。

  

第三步:集成和开发

 

1:导入jar包

   

 <!-- 阿里云支付宝支付的jar -->
    <dependency>
      <groupId>com.alipay.sdk</groupId>
      <artifactId>alipay-sdk-java</artifactId>
      <version>3.3.87.ALL</version>
    </dependency>

 

 

2:具体demo

a:阿里云基本参数类:

public interface AliPayConfig {

        /** 支付宝支付的appid */
        String APP_ID = "";

        /** 应用私钥 */
        String PRIVATE_KEY = "";

        //应用公钥
        String APP_PUBLIC_KEY = "";

        //支付宝公钥
        String ALI_PUBLIC_KEY ="";

        //字符集
        String CHARSET = "utf-8";

        //数据格式
        String FORMAT = "json";

        //加密方式
        String SIGN_TYPE = "RSA2";


        /**    以下参数为调用地址   */

        //接收支付宝回调地址notify_url
     //测试时候可以映射到本地地址可测试,不一定非要部署到线上
        String NOTIFY_URL = "";

        String GATEWAY_URL  = "https://openapi.alipay.com/gateway.do";



}
    

 

 

b:统一下单接口

 @ResponseBody
    @RequestMapping("/aliPayOrder")
    public JSONObject aliPayOrder(String outtradeno) {
        JSONObject returnValue = null;
        //实例化客户端
        AlipayClient alipayClient = new DefaultAlipayClient(AliPayConfig.GATEWAY_URL, AliPayConfig.APP_ID, AliPayConfig.PRIVATE_KEY, AliPayConfig.FORMAT, AliPayConfig.CHARSET, AliPayConfig.ALI_PUBLIC_KEY, AliPayConfig.SIGN_TYPE);
        //实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称:alipay.trade.app.pay
        AlipayTradeAppPayRequest request = new AlipayTradeAppPayRequest();
        //SDK已经封装掉了公共参数,这里只需要传入业务参数。以下方法为sdk的model入参方式(model和biz_content同时存在的情况下取biz_content)。
        outtradeno = WeixinPayUtil.getOrderIdByTime();
        AlipayTradeAppPayModel model = new AlipayTradeAppPayModel();
        model.setBody("测试");
        model.setSubject("App支付测试");
        model.setOutTradeNo(outtradeno);
        model.setTimeoutExpress("30m");
        model.setTotalAmount("0.01");
        model.setProductCode("QUICK_MSECURITY_PAY");
        request.setBizModel(model);
        request.setNotifyUrl(AliPayConfig.NOTIFY_URL);
        try {
            //这里和普通的接口调用不同,使用的是sdkExecute
            AlipayTradeAppPayResponse response = alipayClient.sdkExecute(request);
            //就是orderString 可以直接给客户端请求,无需再做处理。
            returnValue = new JSONObject();
            returnValue.put("errCode", ErrorCode.SUCCESS_RETRUN);
            returnValue.put("errMsg", "ok");
            returnValue.put("data", response.getBody());
            logger.info("【支付宝统一下单 --- 成功 】,订单号为:{}",outtradeno);
            return returnValue;
        } catch (AlipayApiException e) {
            logger.info("【支付宝统一下单 --- 失败 】,订单号为:{},原因为:{}",outtradeno,e.getErrMsg().toString());
            returnValue = ErrorCodeUtil.ERROR_FAILED("下单失败");
            return returnValue;
        }
    }

 

 

c:支付回调接口

 @RequestMapping("aliPay_notify")
    public void aliPay_notify(HttpServletRequest request, HttpServletResponse response) {
        //获取支付宝POST过来反馈信息
        Map<String, String> 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);
        }
        try {
            //验证签名
            boolean flag = AlipaySignature.rsaCheckV1(params, AliPayConfig.ALI_PUBLIC_KEY, AliPayConfig.CHARSET, AliPayConfig.SIGN_TYPE);

            if (flag) {
                if ("TRADE_SUCCESS".equals(params.get("trade_status"))) { //业务逻辑处理

                    //付款金额
                    String amount = params.get("buyer_pay_amount");

                    //商户订单号
                    String out_trade_no = params.get("out_trade_no");

                    //支付宝交易号
                    String trade_no = params.get("trade_no");

                    //附加数据
                    String passback_params = params.get("passback_params");

                    response.getWriter().write("success");

                }
            }else {
                logger.info("【支付宝支付--异步回调】回调失败,签名验证失败");
            }

        } catch (AlipayApiException e) {
            logger.error("【支付宝支付--异步回调】回调失败,阿里云接口调用错误,原因为:{}",e.getMessage());
        } catch (Exception e) {
            logger.error("【支付宝支付--异步回调】回调失败,原因为:{}",e.getMessage());
        }
    }

 d:退款接口

   @RequestMapping("aliPay_refund")
    @ResponseBody
    public JSONObject aliPay_refund(final String outTradeNo,final String transactionId){
        JSONObject returnValue = null ;
        try {
            //实例化客户端
            AlipayClient alipayClient = new DefaultAlipayClient(AliPayConfig.GATEWAY_URL, AliPayConfig.APP_ID, AliPayConfig.PRIVATE_KEY, AliPayConfig.FORMAT, AliPayConfig.CHARSET, AliPayConfig.ALI_PUBLIC_KEY, AliPayConfig.SIGN_TYPE);

            //实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称:alipay.trade.refund
            AlipayTradeRefundRequest request = new AlipayTradeRefundRequest();

            //SDK已经封装掉了公共参数,这里只需要传入业务参数。以下方法为sdk的model入参方式(model和biz_content同时存在的情况下取biz_content)。
            AlipayTradeRefundModel model = new AlipayTradeRefundModel();

            //优先使用支付宝的订单id
            if(transactionId == null || transactionId.length() == 0){
                model.setOutTradeNo(outTradeNo);
            }else {
                model.setTradeNo(transactionId);
            }
            //测试金额1分钱
            String price = "0.01";
            //测试退款理由
            model.setRefundReason("测试退款");

            //退款金额
            model.setRefundAmount(price);

            request.setBizModel(model);

            AlipayTradeRefundResponse response = alipayClient.execute(request);

            if(response.isSuccess()){
                returnValue = ErrorCodeUtil.ERROR_FAILED("退款成功");
                return returnValue ;

            } else {
                returnValue = ErrorCodeUtil.ERROR_FAILED(response.getSubMsg());
                return returnValue ;
            }
        }catch (AlipayApiException e) {
            logger.error("【支付宝支付 -- 退款失败】原因为:{}",e.getMessage());
            returnValue = ErrorCodeUtil.ERROR_FAILED("退款失败");
            return returnValue ;
        }
    }

 

e:关闭订单

 @ResponseBody
    @RequestMapping("aliPay_close")
    public JSONObject aliPay_close(final String outTradeNo,final String transactionId){
        JSONObject returnValue = null ;
        try {
            //实例化客户端
            AlipayClient alipayClient = new DefaultAlipayClient(AliPayConfig.GATEWAY_URL, AliPayConfig.APP_ID, AliPayConfig.PRIVATE_KEY, AliPayConfig.FORMAT, AliPayConfig.CHARSET, AliPayConfig.ALI_PUBLIC_KEY, AliPayConfig.SIGN_TYPE);

            //实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称:alipay.trade.close
            AlipayTradeCloseRequest request = new AlipayTradeCloseRequest();

            //SDK已经封装掉了公共参数,这里只需要传入业务参数。以下方法为sdk的model入参方式(model和biz_content同时存在的情况下取biz_content)。
            AlipayTradeCloseModel model = new AlipayTradeCloseModel();

            //优先使用支付宝的订单id
            if(transactionId == null || transactionId.length() == 0){
                model.setOutTradeNo(outTradeNo);
            }else {
                model.setTradeNo(transactionId);
            }

            request.setBizModel(model);

            AlipayTradeCloseResponse response = alipayClient.execute(request);

            if(response.isSuccess()){
                returnValue = ErrorCodeUtil.ERROR_FAILED("订单关闭成功");
                return returnValue ;

            } else {
                returnValue = ErrorCodeUtil.ERROR_FAILED(response.getSubMsg());
                return returnValue ;
            }
        }catch (AlipayApiException e) {
            logger.error("【支付宝支付 -- 关闭订单】关闭订单失败,原因为:{}",e.getMessage());
            returnValue = ErrorCodeUtil.ERROR_FAILED("订单关闭失败");
            return returnValue ;
        }

    }

f:查询订单状态

    @ResponseBody
    @RequestMapping("aliPay_query")
    public JSONObject aliPay_query(final String outTradeNo,final String transactionId){
        JSONObject returnValue = null ;
        try {
            //实例化客户端
            AlipayClient alipayClient = new DefaultAlipayClient(AliPayConfig.GATEWAY_URL, AliPayConfig.APP_ID, AliPayConfig.PRIVATE_KEY, AliPayConfig.FORMAT, AliPayConfig.CHARSET, AliPayConfig.ALI_PUBLIC_KEY, AliPayConfig.SIGN_TYPE);

            //实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称:alipay.trade.query
            AlipayTradeQueryRequest request = new AlipayTradeQueryRequest();

            //SDK已经封装掉了公共参数,这里只需要传入业务参数。以下方法为sdk的model入参方式(model和biz_content同时存在的情况下取biz_content)。
            AlipayTradeQueryModel model = new AlipayTradeQueryModel();

            //优先使用支付宝的订单id
            if(transactionId == null || transactionId.length() == 0){
                model.setOutTradeNo(outTradeNo);
            }else {
                model.setTradeNo(transactionId);
            }

            request.setBizModel(model);

            AlipayTradeQueryResponse response = alipayClient.execute(request);

            if(response.isSuccess()){
                if("WAIT_BUYER_PAY".equals(response.getTradeStatus())){
                    returnValue = ErrorCodeUtil.ERROR_FAILED("交易创建,等待买家付款");
                    return returnValue ;
                }else if("TRADE_CLOSED".equals(response.getTradeStatus())){
                    returnValue = ErrorCodeUtil.ERROR_FAILED("未付款交易超时关闭,或支付完成后全额退款");
                    return returnValue ;
                }else if("TRADE_SUCCESS".equals(response.getTradeStatus())){
                    returnValue = ErrorCodeUtil.ERROR_FAILED("交易支付成功");
                    return returnValue ;
                }else if("TRADE_FINISHED".equals(response.getTradeStatus())){
                    returnValue = ErrorCodeUtil.ERROR_FAILED("交易结束,不可退款");
                    return returnValue ;
                }else {
                    returnValue = ErrorCodeUtil.ERROR_FAILED("未知状态");
                    return returnValue ;
                }
            } else {
                returnValue = ErrorCodeUtil.ERROR_FAILED(response.getSubMsg());
                return returnValue ;
            }
        }catch (AlipayApiException e) {
            logger.error("【支付宝支付 -- 查询订单】查询订单失败,原因为:{}",e.getMessage());
            returnValue = ErrorCodeUtil.ERROR_FAILED("订单查询失败");
            return returnValue ;
        }

    }

 3:最后可去 蚂蚁金服商家平台  查看金额!!!

App 支付宝支付

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