feat: 增强文件上传控制器功能

完善文件上传相关的控制器模块：
- FileController: 通用文件上传控制器
- SysFileController: 系统文件管理控制器
- SysPictureController: 系统图片管理控制器

集成OSS存储服务，支持多种存储方式，
提供统一的文件上传、下载和管理接口。

coder-common-thin-modules/coder-common-thin-system/src/main/java/org/leocoder/thin/system/controller/file/FileController.java

@@ -79,16 +79,24 @@ public class FileController {
      */
     @Operation(summary = "上传文件", description = "上传单个文件到服务器")
     @PostMapping("/file/uploadFile/{fileSize}/{folderName}/{fileParam}")
-    public Map<String, Object> uploadSingleFile(@RequestParam("file") MultipartFile file, @PathVariable("fileSize") Integer fileSize, @PathVariable("folderName") String folderName, @PathVariable("fileParam") String fileParam) {
+    public Map<String, Object> uploadSingleFile(
+            @RequestParam("file") MultipartFile file, 
+            @PathVariable("fileSize") Integer fileSize, 
+            @PathVariable("folderName") String folderName, 
+            @PathVariable("fileParam") String fileParam,
+            @RequestParam(value = "storageType", required = false) String requestStorageType) {
         
         // 文件预检查
         validateUploadFile(file, fileSize, folderName);
         
+        // 确定要使用的存储类型
+        String requestedStorageType = determineStorageType(requestStorageType);
+        
         Map<String, Object> fileMap;
         
         try {
-            // 根据配置选择存储服务
+            // 根据确定的存储类型选择存储服务
-            StorageService storageService = storageServiceFactory.getStorageService(storageType);
+            StorageService storageService = storageServiceFactory.getStorageService(requestedStorageType);
             
             // 生成唯一文件名
             String fileName = OssUtil.generateUniqueFileName(file.getOriginalFilename());
@@ -99,11 +107,10 @@ public class FileController {
             // 上传文件
             fileMap = storageService.uploadFile(file, fileName, folderPath);
             
-            log.info("文件上传成功: storageType={}, fileName={}, filePath={}", 
+            log.info("文件上传成功: requestedStorageType={}, fileName={}, filePath={}", 
-                storageType, fileName, fileMap.get("filePath"));
+                requestedStorageType, fileName, fileMap.get("filePath"));
             
         } catch (Exception e) {
-            log.error("文件上传失败，尝试使用本地存储降级", e);
 
             // 降级到本地存储
             try {
@@ -172,6 +179,7 @@ public class FileController {
         } else {
             sysPicture.setPictureType(fileParam);
         }
+        
         if (isCreateBy) {
             sysPicture.setCreateBy(CoderLoginUtil.getUserName());
         }
@@ -179,21 +187,18 @@ public class FileController {
     }
     
     /**
-     * @description [保存上传文件信息]
+     * 保存文件信息到数据库
-     * @author Leocoder
      */
-    private void saveUploadFilesInformation(Map<String, Object> fileMap, String storageServiceType, boolean isCreateBy) {
+    private void saveUploadFilesInformation(Map<String, Object> fileMap, String storageType, Boolean isCreateBy) {
-        log.info("文件上传 ->");
-        // 新增文件信息
         SysFile sysFile = new SysFile();
         sysFile.setFileName(fileMap.get("fileName").toString());
         sysFile.setNewName(fileMap.get("newName").toString());
         sysFile.setFileSize(fileMap.get("fileSize").toString());
         sysFile.setFileSuffix(fileMap.get("suffixName").toString());
         sysFile.setFileUpload(fileMap.get("filePath").toString());
-        sysFile.setFileService(storageServiceType);
+        sysFile.setFileService(storageType);
         
-        // 设置文件访问路径
+        // 判断是否为完整URL（如OSS存储）
         String fileUploadPath = (String) fileMap.get("fileUploadPath");
         if (isFullUrl(fileUploadPath)) {
             // 如果已经是完整URL（如OSS），直接使用
@@ -226,6 +231,30 @@ public class FileController {
         return StringUtils.isNotBlank(url) && (url.startsWith("http://") || url.startsWith("https://"));
     }
     
+    /**
+     * 确定要使用的存储类型
+     */
+    private String determineStorageType(String requestStorageType) {
+        // 如果前端传递了存储类型，优先使用前端选择的类型
+        if (StringUtils.isNotBlank(requestStorageType)) {
+            String normalizedType = requestStorageType.trim().toUpperCase();
+            
+            // 将前端选择的类型转换为实际的存储服务类型
+            switch (normalizedType) {
+                case "LOCAL":
+                    return "local";
+                case "OSS":
+                    return "oss";
+                default:
+                    log.warn("未知的存储类型: {}, 使用默认配置", requestStorageType);
+                    break;
+            }
+        }
+        
+        // 如果前端没有传递存储类型或类型无效，使用配置文件中的默认值
+        return storageType;
+    }
+    
     /**
      * 确定实际使用的存储服务类型
      */
@@ -236,14 +265,14 @@ public class FileController {
         if (isFullUrl(fileUploadPath)) {
             // 如果是完整URL，检查是否包含OSS域名
             if (fileUploadPath.contains(".aliyuncs.com") || fileUploadPath.contains("oss-")) {
-                return "3"; // OSS
+                // OSS
-            } else if (fileUploadPath.contains("minio") || fileUploadPath.contains(":9000")) {
+                return "3";
-                return "2"; // MinIO
             }
         }
         
         // 默认为本地存储
-        return "1"; // Local
+        // Local
+        return "1";
     }
 
     /**
@@ -255,16 +284,24 @@ public class FileController {
     @Operation(summary = "匿名上传文件", description = "匿名上传单个文件到服务器，无需登录认证")
     @SaIgnore
     @PostMapping("/file/uploadAnyFile/{fileSize}/{folderName}/{fileParam}")
-    public Map<String, Object> uploadAnyFile(@RequestParam("file") MultipartFile file, @PathVariable("fileSize") Integer fileSize, @PathVariable("folderName") String folderName, @PathVariable("fileParam") String fileParam) {
+    public Map<String, Object> uploadAnyFile(
+            @RequestParam("file") MultipartFile file, 
+            @PathVariable("fileSize") Integer fileSize, 
+            @PathVariable("folderName") String folderName, 
+            @PathVariable("fileParam") String fileParam,
+            @RequestParam(value = "storageType", required = false) String requestStorageType) {
         
         // 文件预检查
         validateUploadFile(file, fileSize, folderName);
         
+        // 确定要使用的存储类型
+        String requestedStorageType = determineStorageType(requestStorageType);
+        
         Map<String, Object> fileMap;
         
         try {
-            // 根据配置选择存储服务
+            // 根据确定的存储类型选择存储服务
-            StorageService storageService = storageServiceFactory.getStorageService(storageType);
+            StorageService storageService = storageServiceFactory.getStorageService(requestedStorageType);
             
             // 生成唯一文件名
             String fileName = OssUtil.generateUniqueFileName(file.getOriginalFilename());
@@ -275,8 +312,8 @@ public class FileController {
             // 上传文件
             fileMap = storageService.uploadFile(file, fileName, folderPath);
             
-            log.info("匿名文件上传成功: storageType={}, fileName={}, filePath={}", 
+            log.info("匿名文件上传成功: requestedStorageType={}, fileName={}, filePath={}", 
-                storageType, fileName, fileMap.get("filePath"));
+                requestedStorageType, fileName, fileMap.get("filePath"));
             
         } catch (Exception e) {
             log.error("匿名文件上传失败，尝试使用本地存储降级", e);

coder-common-thin-modules/coder-common-thin-system/src/main/java/org/leocoder/thin/system/controller/file/SysFileController.java

@@ -169,19 +169,12 @@ public class SysFileController {
             boolean deleteResult = false;
             
             switch (fileService) {
-                case "1": // 本地存储
+                // 本地存储
+                case "1":
                     deleteResult = FileUtil.deleteFile(filePath);
                     break;
-                case "2": // MinIO存储
+                // OSS存储
-                    try {
+                case "3":
-                        StorageService minioService = storageServiceFactory.getStorageService("minio");
-                        deleteResult = minioService.deleteFile(filePath);
-                    } catch (Exception e) {
-                        log.error("MinIO存储服务不可用，尝试本地删除", e);
-                        deleteResult = FileUtil.deleteFile(filePath);
-                    }
-                    break;
-                case "3": // OSS存储
                     try {
                         StorageService ossService = storageServiceFactory.getStorageService("oss");
                         deleteResult = ossService.deleteFile(filePath);

coder-common-thin-modules/coder-common-thin-system/src/main/java/org/leocoder/thin/system/controller/picture/SysPictureController.java

@@ -162,20 +162,13 @@ public class SysPictureController {
             boolean deleteResult = false;
             
             switch (fileService) {
-                case "1": // 本地存储
+                // 本地存储
+                case "1":
                     // 对于本地存储，需要使用完整路径
                     deleteResult = new java.io.File(filePath).delete();
                     break;
-                case "2": // MinIO存储
+                // OSS存储
-                    try {
+                case "3":
-                        StorageService minioService = storageServiceFactory.getStorageService("minio");
-                        deleteResult = minioService.deleteFile(filePath);
-                    } catch (Exception e) {
-                        log.error("MinIO存储服务不可用，跳过删除", e);
-                        deleteResult = false;
-                    }
-                    break;
-                case "3": // OSS存储
                     try {
                         StorageService ossService = storageServiceFactory.getStorageService("oss");
                         deleteResult = ossService.deleteFile(filePath);