From 9847d4cdb198ded812951ce7f7167004b550a041 Mon Sep 17 00:00:00 2001
From: YunaiV <zhijiantianya@gmail.com>
Date: Mon, 5 May 2025 23:52:36 +0800
Subject: [PATCH] =?UTF-8?q?fix=EF=BC=9A=E3=80=90PAY=20=E6=94=AF=E4=BB=98?=
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---
 .../core/client/impl/alipay/AbstractAlipayPayClient.java  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/alipay/AbstractAlipayPayClient.java b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/alipay/AbstractAlipayPayClient.java
index 92c32fb045..b0f728eecf 100644
--- a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/alipay/AbstractAlipayPayClient.java
+++ b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/alipay/AbstractAlipayPayClient.java
@@ -23,6 +23,8 @@ import com.alipay.api.AlipayResponse;
 import com.alipay.api.DefaultAlipayClient;
 import com.alipay.api.domain.*;
 import com.alipay.api.internal.util.AlipaySignature;
+import com.alipay.api.internal.util.AntCertificationUtil;
+import com.alipay.api.internal.util.codec.Base64;
 import com.alipay.api.request.*;
 import com.alipay.api.response.*;
 import lombok.Getter;
@@ -30,6 +32,7 @@ import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 
 import java.nio.charset.StandardCharsets;
+import java.security.cert.X509Certificate;
 import java.time.LocalDateTime;
 import java.util.Collections;
 import java.util.Map;
@@ -88,7 +91,10 @@ public abstract class AbstractAlipayPayClient extends AbstractPayClient<AlipayPa
             verify = AlipaySignature.rsaCheckV1(params, config.getAlipayPublicKey(),
                     StandardCharsets.UTF_8.name(), config.getSignType());
         } else if (Objects.equals(config.getMode(), MODE_CERTIFICATE)) {
-            verify = AlipaySignature.rsaCertCheckV1(params, config.getAlipayPublicCertContent(),
+            // 由于 rsaCertCheckV1 的第二个参数是 path，所以不能这么调用！！！通过阅读源码，发现可以采用如下方式！
+            X509Certificate cert = AntCertificationUtil.getCertFromContent(config.getAlipayPublicCertContent());
+            String publicKey = Base64.encodeBase64String(cert.getEncoded());
+            verify = AlipaySignature.rsaCheckV1(bodyObj, publicKey,
                     StandardCharsets.UTF_8.name(), config.getSignType());
         } else {
             throw new IllegalArgumentException("未知的公钥类型：" + config.getMode());