SpringBoot接入支付宝支付的方法步骤

支付宝今年推出了新的转账接口alipay.fund.trans.uni.transfer(升级后安全性更高，功能更加强大) ，老转账接口alipay.fund.trans.toaccount.transfer将不再维护，新老接口的一个区别就是新接口采用的证书验签方式。使用新接口要将sdk版本升级到最新版本，博主升级时最新版本是4.10.97。接下来看集成步骤

alipay.properties

alipay.appId=你的应用idalipay.serverUrl=https://openapi.alipay.com/gateway.doalipay.privateKey=你的应用私钥alipay.format=jsonalipay.charset=UTF-8alipay.signType=RSA2alipay.appCertPath=/cert/appCertPublicKey_2021001164652941.crtalipay.alipayCertPath=/cert/alipayCertPublicKey_RSA2.crtalipay.alipayRootCertPath=/cert/alipayRootCert.crt3.引入pom依赖

<dependency> <groupId>com.alipay.sdk</groupId> <artifactId>alipay-sdk-java</artifactId> <version>4.10.97.ALL</version></dependency>4.将配置信息注入AliPayBean

import lombok.Data;import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.context.annotation.PropertySource;import org.springframework.stereotype.Component; @Component@PropertySource('classpath:/production/alipay.properties')@ConfigurationProperties(prefix = 'alipay')@Datapublic class AliPayBean { private String appId; private String privateKey; private String publicKey; private String serverUrl; private String domain; private String format; private String charset; private String signType; private String appCertPath; private String alipayCertPath; private String alipayRootCertPath; }5.写配置类

import com.alipay.api.AlipayClient;import com.alipay.api.CertAlipayRequest;import com.alipay.api.DefaultAlipayClient;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.beans.factory.annotation.Value;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.util.FileCopyUtils; import java.io.InputStream; @Configurationpublic class AliConfig { @Value('${custom.http.proxyHost}') private String proxyHost; @Value('${custom.http.proxyPort}') private int proxyPort; @Value('${spring.profiles.active}') private String activeEnv; @Autowired private AliPayBean aliPayBean; @Bean(name = {'alipayClient'}) public AlipayClient alipayClientService() throws Exception{ CertAlipayRequest certAlipayRequest = new CertAlipayRequest(); //设置网关地址 certAlipayRequest.setServerUrl(aliPayBean.getServerUrl()); //设置应用Id certAlipayRequest.setAppId(aliPayBean.getAppId()); //设置应用私钥 certAlipayRequest.setPrivateKey(aliPayBean.getPrivateKey()); //设置请求格式，固定值json certAlipayRequest.setFormat(aliPayBean.getFormat()); //设置字符集 certAlipayRequest.setCharset(aliPayBean.getCharset()); //设置签名类型 certAlipayRequest.setSignType(aliPayBean.getSignType()); //如果是生产环境或者预演环境，则使用代理模式 if ('prod'.equals(activeEnv) || 'stage'.equals(activeEnv) || 'test'.equals(activeEnv)) { //设置应用公钥证书路径 certAlipayRequest.setCertContent(getCertContentByPath(aliPayBean.getAppCertPath())); //设置支付宝公钥证书路径 certAlipayRequest.setAlipayPublicCertContent(getCertContentByPath(aliPayBean.getAlipayCertPath())); //设置支付宝根证书路径 certAlipayRequest.setRootCertContent(getCertContentByPath(aliPayBean.getAlipayRootCertPath())); certAlipayRequest.setProxyHost(proxyHost); certAlipayRequest.setProxyPort(proxyPort); }else { //local String serverPath = this.getClass().getResource('/').getPath(); //设置应用公钥证书路径 certAlipayRequest.setCertPath(serverPath+aliPayBean.getAppCertPath()); //设置支付宝公钥证书路径 certAlipayRequest.setAlipayPublicCertPath(serverPath+aliPayBean.getAlipayCertPath()); //设置支付宝根证书路径 certAlipayRequest.setRootCertPath(serverPath+aliPayBean.getAlipayRootCertPath()); } return new DefaultAlipayClient(certAlipayRequest); } public String getCertContentByPath(String name){ InputStream inputStream = null; String content = null; try{ inputStream = this.getClass().getClassLoader().getResourceAsStream(name); content = new String(FileCopyUtils.copyToByteArray(inputStream)); }catch (Exception e){ e.printStackTrace(); } return content; } }6.写支付工具类

import com.alipay.api.AlipayApiException;import com.alipay.api.AlipayClient;import com.alipay.api.domain.AlipayTradeAppPayModel;import com.alipay.api.domain.AlipayTradeQueryModel;import com.alipay.api.request.AlipayTradeAppPayRequest;import com.alipay.api.request.AlipayTradeQueryRequest;import com.alipay.api.response.AlipayTradeAppPayResponse;import com.alipay.api.response.AlipayTradeQueryResponse;import lombok.extern.slf4j.Slf4j;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.beans.factory.annotation.Qualifier;import org.springframework.stereotype.Service;/** * @description:支付宝工具类 * @Date:2020-08-26 */@Slf4j@Servicepublic class AliPayUtils { @Autowired @Qualifier('alipayClient') private AlipayClient alipayClient; /** * 交易查询接口 * @param request * @return * @throws Exception */ public boolean isTradeQuery(AlipayTradeQueryModel model) throws AlipayApiException { AlipayTradeQueryRequest request = new AlipayTradeQueryRequest(); request.setBizModel(model); AlipayTradeQueryResponse alipayTradeQueryResponse = alipayClient.certificateExecute(request); if(alipayTradeQueryResponse.isSuccess()){ return true; } else { return false; } } /** * app支付 * @param model * @param notifyUrl * @return * @throws AlipayApiException */ public String startAppPay(AlipayTradeAppPayModel model, String notifyUrl) throws AlipayApiException { AlipayTradeAppPayRequest aliPayRequest = new AlipayTradeAppPayRequest(); model.setProductCode('QUICK_MSECURITY_PAY'); aliPayRequest.setNotifyUrl(notifyUrl); aliPayRequest.setBizModel(model); // 这里和普通的接口调用不同，使用的是sdkExecute AlipayTradeAppPayResponse aliResponse = alipayClient.sdkExecute(aliPayRequest); return aliResponse.getBody(); } /** * 转账接口 * * @param transferParams * @return AlipayFundTransToaccountTransferResponse */ public AlipayFundTransUniTransferResponse doTransferNew(TransferParams transferParams) throws Exception { String title = (StringUtils.isNotBlank(transferParams.getRemark()) ? transferParams .getRemark() : '转账'); //转账请求入参 AlipayFundTransUniTransferRequest request = new AlipayFundTransUniTransferRequest(); //转账参数 BizContentForUniTransfer bizContent = new BizContentForUniTransfer(); bizContent.setOut_biz_no(transferParams.getOutBizNo()); bizContent.setTrans_amount(MathUtil.changeF2Y(Math.abs(Integer.parseInt(transferParams.getAmount())))); bizContent.setProduct_code('TRANS_ACCOUNT_NO_PWD'); bizContent.setBiz_scene('DIRECT_TRANSFER'); bizContent.setOrder_title(title); Participant participant = new Participant(); participant.setIdentity(transferParams.getPayeeAccount()); participant.setIdentity_type(transferParams.getPayeeType()); participant.setName((StringUtils.isNotBlank(transferParams.getPayeeRealName()) ? transferParams .getPayeeRealName() : StringUtils.EMPTY)); bizContent.setPayee_info(participant); bizContent.setRemark(title); request.setBizContent(JSON.toJSONString(bizContent)); //转账请求返回 AlipayFundTransUniTransferResponse response = null; try { response = alipayClient.certificateExecute(request); } catch (Exception e) { log.info('doTransfer exception，异常信息：{}', e.toString()); log.info('doTransfer exception，支付宝返回信息：{}', JSONObject.toJSONString(response)); } log.info('doTransfer,AlipayFundTransUniTransferResponse:{}', JSONObject.toJSONString(response)); return response; }}Tips：转账用到的类

@Datapublic class TransferParams { /** * 应用编号 */ private Long appId; /** * 创建人id */ private Long createdBy; /** * 转账业务订单号 */ private String outBizNo; /** * 收款方识别方式 */ private String payeeType; /** * 收款方账号，可以是支付宝userId或者支付宝loginId */ private String payeeAccount; /** * 转账金额，单位分 */ private String amount; /** * 付款方名称 */ private String payerShowName; /** * 收款方名称 */ private String payeeRealName; /** * 备注 */ private String remark; /** * 支付宝转账流水号 */ private String orderId;}

import lombok.Data; import java.math.BigDecimal; /** * 支付宝转账参数 */@Datapublic class BizContentForUniTransfer { /** * 业务订单号 */ private String out_biz_no; /** * 订单总金额，单位为元，精确到小数点后两位， */ private BigDecimal trans_amount; /** * 业务产品码， * 单笔无密转账到支付宝账户固定为:TRANS_ACCOUNT_NO_PWD； * 单笔无密转账到银行卡固定为:TRANS_BANKCARD_NO_PWD; * 收发现金红包固定为:STD_RED_PACKET； */ private String product_code; /** * 描述特定的业务场景，可传的参数如下： * DIRECT_TRANSFER：单笔无密转账到支付宝/银行卡, B2C现金红包; * PERSONAL_COLLECTION：C2C现金红包-领红包 */ private String biz_scene; /** * 转账业务的标题，用于在支付宝用户的账单里显示 */ private String order_title; /** * 原支付宝业务单号。C2C现金红包-红包领取时，传红包支付时返回的支付宝单号； * B2C现金红包、单笔无密转账到支付宝/银行卡不需要该参数。 */ private String original_order_id; /** * 业务备注 */ private String remark; /** * 转账业务请求的扩展参数，支持传入的扩展参数如下： * 1、sub_biz_scene 子业务场景，红包业务必传，取值REDPACKET，C2C现金红包、B2C现金红包均需传入； * 2、withdraw_timeliness为转账到银行卡的预期到账时间，可选（不传入则默认为T1）， * 取值T0表示预期T+0到账，取值T1表示预期T+1到账，因到账时效受银行机构处理影响，支付宝无法保证一定是T0或者T1到账； */ private String business_params; /** * 支付收款对象 */ private Participant payee_info;}

@Datapublic class Participant { /** * 参与方的唯一标识 */ private String identity; /** * 参与方的标识类型，目前支持如下类型： * 1、ALIPAY_USER_ID 支付宝的会员ID * 2、ALIPAY_LOGON_ID：支付宝登录号，支持邮箱和手机号格式 */ private String identity_type; /** * 参与方真实姓名，如果非空，将校验收款支付宝账号姓名一致性。 * 当identity_type=ALIPAY_LOGON_ID时，本字段必填。 */ private String name;}

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