springboot 支付宝支付（电脑网站）

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

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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>

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示例

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配置文件

application.yml

alipay:appid: 2016092500591327gatewayUrl: https://openapi.alipaydev.com/gateway.doformat: JSONcharset: utf-8signType: RSA2notifyUrl: http://localhost:8080/notifyreturnUrl: http://localhost:8080/returnapp-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

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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 {@Resourceprivate AlipayProperties alipayProperties;@Beanpublic AlipayClient initAlipayClient(){return new DefaultAlipayClient(alipayProperties.getGatewayUrl(),alipayProperties.getAppId(),alipayProperties.getAppPrivateKey(),alipayProperties.getFormat(),alipayProperties.getCharset(),alipayProperties.getAlipayPublicKey(),alipayProperties.getSignType());}
}

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controller 层

AlipayController

@RestController
public class AlipayController {@Resourceprivate AlipayClient alipayClient;@Resourceprivate 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

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springboot 支付宝支付（电脑网站）

springboot 支付宝支付（电脑支付）

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