修复支付证书的拼接规则。

src/test/java/com/gxwebsoft/shop/CertificatePathTest.java

@@ -0,0 +1,79 @@
+package com.gxwebsoft.shop;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+/**
+ * 证书路径构建测试
+ * 
+ * @author 科技小王子
+ * @since 2025-08-09
+ */
+public class CertificatePathTest {
+
+    @Test
+    public void testDevCertificatePath() {
+        // 模拟开发环境配置
+        String uploadPath = "/Users/gxwebsoft/JAVA/mp-java/src/main/resources/";
+        Integer tenantId = 10324;
+        String privateKeyFile = "apiclient_key.pem";
+        
+        // 构建证书路径
+        String tenantCertPath = uploadPath + "dev/wechat/" + tenantId;
+        String privateKeyPath = tenantCertPath + "/" + privateKeyFile;
+        
+        // 验证路径构建结果
+        String expectedTenantPath = "/Users/gxwebsoft/JAVA/mp-java/src/main/resources/dev/wechat/10324";
+        String expectedPrivateKeyPath = "/Users/gxwebsoft/JAVA/mp-java/src/main/resources/dev/wechat/10324/apiclient_key.pem";
+        
+        assertEquals(expectedTenantPath, tenantCertPath);
+        assertEquals(expectedPrivateKeyPath, privateKeyPath);
+        
+        System.out.println("开发环境证书路径测试通过:");
+        System.out.println("租户证书目录: " + tenantCertPath);
+        System.out.println("私钥文件路径: " + privateKeyPath);
+    }
+    
+    @Test
+    public void testProdCertificatePath() {
+        // 模拟生产环境配置
+        String uploadPath = "/www/wwwroot/file.ws";
+        Integer tenantId = 10324;
+        String privateKeyFile = "apiclient_key.pem";
+        
+        // 构建证书路径（生产环境不使用upload-path，而是从数据库读取）
+        // 这里只是为了对比展示
+        String tenantCertPath = uploadPath + "dev/wechat/" + tenantId;
+        String privateKeyPath = tenantCertPath + "/" + privateKeyFile;
+        
+        // 验证路径构建结果
+        String expectedTenantPath = "/www/wwwroot/file.ws/dev/wechat/10324";
+        String expectedPrivateKeyPath = "/www/wwwroot/file.ws/dev/wechat/10324/apiclient_key.pem";
+        
+        assertEquals(expectedTenantPath, tenantCertPath);
+        assertEquals(expectedPrivateKeyPath, privateKeyPath);
+        
+        System.out.println("生产环境证书路径测试通过:");
+        System.out.println("租户证书目录: " + tenantCertPath);
+        System.out.println("私钥文件路径: " + privateKeyPath);
+    }
+    
+    @Test
+    public void testMultipleTenants() {
+        String uploadPath = "/Users/gxwebsoft/JAVA/mp-java/src/main/resources/";
+        String privateKeyFile = "apiclient_key.pem";
+        
+        // 测试多个租户的路径构建
+        Integer[] tenantIds = {10324, 10325, 10326};
+        
+        for (Integer tenantId : tenantIds) {
+            String tenantCertPath = uploadPath + "dev/wechat/" + tenantId;
+            String privateKeyPath = tenantCertPath + "/" + privateKeyFile;
+            
+            assertTrue(tenantCertPath.contains(tenantId.toString()));
+            assertTrue(privateKeyPath.endsWith(privateKeyFile));
+            
+            System.out.println("租户 " + tenantId + " 证书路径: " + privateKeyPath);
+        }
+    }
+}