对接支付宝单笔转账到银行卡来实现资金提现功能

@Bean
public DefaultAlipayClient aliPayClient() throws AlipayApiException {
    CertAlipayRequest certAlipayRequest = new CertAlipayRequest();
    certAlipayRequest.setServerUrl("https://openapi.alipay.com/gateway.do");
    certAlipayRequest.setAppId("支付宝应用id");
    certAlipayRequest.setPrivateKey("支付宝应用私钥路径");
    certAlipayRequest.setFormat("json");
    certAlipayRequest.setCharset("UTF-8");
    certAlipayRequest.setSignType("RSA2");
    certAlipayRequest.setCertPath("支付宝应用公钥路径");
    certAlipayRequest.setAlipayPublicCertPath("支付宝公钥路径");
    certAlipayRequest.setRootCertPath("支付宝根证书路径");
    return new DefaultAlipayClient(certAlipayRequest);
}

public AjaxResult uniTransfer(AlipayFundTransUniTransferModel model) {
    try {
        AlipayFundTransUniTransferRequest request = new AlipayFundTransUniTransferRequest();
        model.setOutBizNo("商家侧唯一订单号");
        model.setTransAmount("1");
        model.setProductCode("TRANS_BANKCARD_NO_PWD");
        model.setBizScene("DIRECT_TRANSFER");
        model.setOrderTitle("转账到银行卡账户");
        Participant payeeInfo = new Participant();
        payeeInfo.setIdentityType("BANKCARD_ACCOUNT");
        payeeInfo.setIdentity("收款方银行账户名称");
        payeeInfo.setName("收款方银行账户名称");
        BankcardExtInfo bankcardExtInfo = new BankcardExtInfo();
        bankcardExtInfo.setInstName("机构名称");
        bankcardExtInfo.setAccountType("1");
        bankcardExtInfo.setInstProvince("银行所在省份");
        bankcardExtInfo.setInstCity("收款银行所在市");
        bankcardExtInfo.setInstBranchName("收款银行所属支行");
        bankcardExtInfo.setBankCode("银行支行联行号");
        payeeInfo.setBankcardExtInfo(bankcardExtInfo);
        model.setPayeeInfo(payeeInfo);
        model.setRemark("转账到银行卡账户");
        Map<String, String> params = new HashMap<>(2);
        params.put("payer_show_name", "转账到银行卡账户");
        model.setBusinessParams(JSON.toJSONString(params));
        request.setBizModel(model);
        AlipayFundTransUniTransferResponse response = aliPayClient.certificateExecute(request);
        logger.info("支付宝 单笔转账到银行卡账户接口：{}", response.getBody());
        int code = Integer.valueOf(response.getCode());
        if(response.isSuccess()){
            logger.info("支付宝 单笔转账到银行卡账户接口 调用成功 code=10000");
            UniTransferResult result = new UniTransferResult();
            result.setOutBizNo(response.getOutBizNo())
                    .setOrderId(response.getOrderId())
                    .setPayFundOrderId(response.getPayFundOrderId())
                    .setStatus(response.getStatus())
                    .setTransDate(response.getTransDate());
            return AjaxResult.success(code, result);
        } else {
            logger.info("支付宝 单笔转账到银行卡账户接口 调用失败");
            return AjaxResult.error(HttpStatus.ERROR_MSG, response.getSubMsg());
        }
    } catch (AlipayApiException e) {
        e.printStackTrace();
        logger.error("支付宝 单笔转账到银行卡账户接口 调用异常，原因：{}", e.getMessage());
        return AjaxResult.error(e.getMessage());
    }
}