feat: 增加附件表结构与本地上传接口

src/test/java/com/bruce/common/attachment/SysAttachmentComponentStructureTests.java

@@ -0,0 +1,48 @@
+package com.bruce.common.attachment;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.bruce.common.controller.SysAttachmentController;
+import com.bruce.common.entity.SysAttachment;
+import com.bruce.common.mapper.SysAttachmentMapper;
+import com.bruce.common.service.ISysAttachmentService;
+import com.bruce.common.service.impl.SysAttachmentServiceImpl;
+import org.junit.jupiter.api.Test;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.lang.reflect.Method;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class SysAttachmentComponentStructureTests {
+
+    @Test
+    void sysAttachmentComponentsShouldReuseMybatisPlusBaseTypes() {
+        assertTrue(BaseMapper.class.isAssignableFrom(SysAttachmentMapper.class));
+        assertTrue(IService.class.isAssignableFrom(ISysAttachmentService.class));
+        assertTrue(ServiceImpl.class.isAssignableFrom(SysAttachmentServiceImpl.class));
+        assertTrue(ISysAttachmentService.class.isAssignableFrom(SysAttachmentServiceImpl.class));
+        assertTrue(SysAttachment.class.isAssignableFrom(SysAttachment.class));
+    }
+
+    @Test
+    void sysAttachmentShouldExposeUploadMethods() throws NoSuchMethodException {
+        Method serviceMethod = ISysAttachmentService.class.getMethod(
+                "upload",
+                MultipartFile.class,
+                String.class,
+                Long.class
+        );
+        Method controllerMethod = SysAttachmentController.class.getMethod(
+                "upload",
+                MultipartFile.class,
+                String.class,
+                Long.class
+        );
+
+        assertNotNull(serviceMethod);
+        assertNotNull(controllerMethod);
+    }
+}