springboot 支付宝支付（电脑网站）

た入场券 2023-07-23 03:59 7阅读 0赞

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### springboot 支付宝支付（电脑支付） ###

**应用：在电脑网页端使用支付宝支付**

**官方文档：[https://opendocs.alipay.com/open/270][https_opendocs.alipay.com_open_270]**

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**引入 jar 包**

<dependency>
        <groupId>com.alipay.sdk</groupId>
        <artifactId>alipay-sdk-java</artifactId>
        <version>4.9.100.ALL</version>
    </dependency>

### \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ###

**示例**

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**配置文件**

**application.yml**

alipay:
      appid: 2016092500591327
      gatewayUrl: https://openapi.alipaydev.com/gateway.do
      format: JSON
      charset: utf-8
      signType: RSA2
      notifyUrl: http://localhost:8080/notify
      returnUrl: http://localhost:8080/return
      app-private-key: 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
      alipay-public-key: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1ynoaKrpzpipzhsivNwIRBrEPMeFYLWkWSMU9E3KAdBBpSGHN9x3OVWYe/F3yxRgLtbOdqN1DBYiKLUBvUu2NAqH1KV6nkt3Rx/gc7MKMwL+TWBmXKX5L1eK17TOPKMXoqVN5grFrCH0hx/U6lZnr2M/7A93yPlSKLgJwVYj560wzElBL+fvjR0V0OA+FWJryKluBtJYUKXBadFKuyVwNnyGqmHFxvtSHuErhOrg0YiYIfhV3f7zE5q1mIz7ecwH0W7nB7gtFjLt1k4WSpwyeEI8Xpl7SLMvHdwEXUwTU0h/V7TumYWgUe0ft70NTps+zPwJlmcEluHg0VSs7UrDVQIDAQAB

**说明：app-private-key为应用私钥，alipay-public-key为支付宝公钥**

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**config 层**

**AlipayProperties**

@Data
    @Component
    @ConfigurationProperties("alipay")
    public class AlipayProperties {
    
        private String appId;
        private String gatewayUrl;
        private String format;
        private String charset;
        private String signType;
        private String appPrivateKey;
        private String alipayPublicKey;
    
        private String returnUrl;
        private String notifyUrl;
    }

**AlipayConfig：创建alipayClient客户端**

@Configuration
    public class AlipayConfig {
    
        @Resource
        private AlipayProperties alipayProperties;
    
        @Bean
        public AlipayClient initAlipayClient(){
            return new DefaultAlipayClient(alipayProperties.getGatewayUrl(),
                    alipayProperties.getAppId(),alipayProperties.getAppPrivateKey(),
                    alipayProperties.getFormat(),alipayProperties.getCharset(),
                    alipayProperties.getAlipayPublicKey(),alipayProperties.getSignType());
        }
    }

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**controller 层**

**AlipayController**

@RestController
    public class AlipayController {
    
        @Resource
        private AlipayClient alipayClient;
    
        @Resource
        private AlipayProperties alipayProperties;
    
        @RequestMapping("/pay")
        public String pagePay(){
            AlipayTradePagePayModel model=new AlipayTradePagePayModel();
            model.setOutTradeNo("3000");       //商户订单号
            model.setProductCode("FAST_INSTANT_TRADE_PAY");  //电脑网站支付销售产品码，不同的支付方式productCode不同
            model.setSubject("海贼王");         //订单标题
            model.setTotalAmount("100");        //订单总金额
            model.setTimeoutExpress("1h");     //支付超市时间，1h后关闭
    
            AlipayTradePagePayRequest request=new AlipayTradePagePayRequest();
            request.setBizModel(model);
            request.setReturnUrl(alipayProperties.getReturnUrl());   //支付成功后同步返回的url地址
            request.setNotifyUrl(alipayProperties.getNotifyUrl());   //trade_success、trade_closed触发
    
            AlipayTradePagePayResponse response= alipayClient.pageExecute(request);
            
            return response.getBody();
        }
    
        @RequestMapping("/query")
        public String query() throws Exception{
            AlipayTradeQueryModel model=new AlipayTradeQueryModel();
            model.setOutTradeNo("3000");
    
            AlipayTradeQueryRequest request=new AlipayTradeQueryRequest();
            request.setBizModel(model);
    
            return alipayClient.execute(request).getTradeStatus();
        }
    
        @RequestMapping("/close")
        public String close() throws Exception{
            AlipayTradeCloseModel model=new AlipayTradeCloseModel();
            model.setOutTradeNo("3000");
    
            AlipayTradeCloseRequest request=new AlipayTradeCloseRequest();
            request.setBizModel(model);
    
            return alipayClient.execute(request).getBody();
        }
    
        @RequestMapping("/refund")
        public String refund() throws Exception{
            AlipayTradeRefundModel model=new AlipayTradeRefundModel();
            model.setOutTradeNo("3000");
            model.setRefundAmount("20");
            model.setOutRequestNo("100");  //分批次退款时，对应的每一次退款请求号，同一订单该值不能相同
    
            AlipayTradeRefundRequest refundRequest=new AlipayTradeRefundRequest();
            refundRequest.setBizModel(model);
    
            AlipayTradeRefundResponse refundResponse=alipayClient.execute(refundRequest);
    
            return "退款总金额："+refundResponse.getRefundFee();
        }
    
        @RequestMapping("/refundQuery")
        public String refundQuery() throws Exception{
            AlipayTradeFastpayRefundQueryModel model=new AlipayTradeFastpayRefundQueryModel();
            model.setOutTradeNo("3000");     //商户订单号
            model.setOutRequestNo("100");    //退款请求号
    
            AlipayTradeFastpayRefundQueryRequest refundQueryRequest=new AlipayTradeFastpayRefundQueryRequest();
            refundQueryRequest.setBizModel(model);
    
            AlipayTradeFastpayRefundQueryResponse refundQueryResponse=alipayClient.execute(refundQueryRequest);
    
            return "本次退款金额为："+refundQueryResponse.getRefundAmount()+
                    "\n订单总金额为："+refundQueryResponse.getTotalAmount();
        }
    
        @RequestMapping("/queryDownload")
        public String downloadUrl() throws Exception{    //对账单下载地址
            AlipayDataDataserviceBillDownloadurlQueryModel model=new AlipayDataDataserviceBillDownloadurlQueryModel();
            model.setBillType("trade");
            model.setBillDate("2020-04-06");
    
            AlipayDataDataserviceBillDownloadurlQueryRequest request=new AlipayDataDataserviceBillDownloadurlQueryRequest();
            request.setBizModel(model);
    
            AlipayDataDataserviceBillDownloadurlQueryResponse response=alipayClient.execute(request);
    
            return response.getBillDownloadUrl();
        }
    
        @RequestMapping("/notify")
        public void notify(HttpServletRequest request) throws Exception{  //异步通知接口
            if (check(request.getParameterMap())){
                System.out.println("异步通知");
            }else {
                System.out.println("验签失败");
            }
        }
    
        @RequestMapping("/return")
        public String returnUrl(HttpServletRequest request) throws Exception{ //同步跳转接口
            if (check(request.getParameterMap())){
                return "success";
            }else {
                return "false";
            }
        }
    
        private boolean check(Map<String,String[]> requestParams) throws Exception{
            Map<String,String> params = new HashMap<>();
    
            for (String name : requestParams.keySet()) {
                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);
            }
    
            return AlipaySignature.rsaCheckV1(params, alipayProperties.getAlipayPublicKey(),
                    alipayProperties.getCharset(), alipayProperties.getSignType()); //调用SDK验证签名
        }
    }

**说明：notify接口只在trade\_success状态下调用，**

**notify调用：**支付成功后、部分退款成功后，支付状态为trade\_success

**notify不调用：**全部退款、多次部分退款将余额全退，支付状态变为trade\_closed

[https_opendocs.alipay.com_open_270]: https://opendocs.alipay.com/open/270