feat(project): 初始化项目结构和配置

- 添加.gitignore和.flaskenv环境配置文件
- 创建Flask应用基础架构，包括models、services、utils模块
- 配置数据库模型User和Setting，集成SQLAlchemy和Alembic迁移
- 添加前端Vue项目结构，包含Element Plus组件库
- 配置前后端API路由和蓝prints模块
- 实现书籍下载服务BookService功能模块
- 添加代码规范配置.editorconfig、.oxfmtrc.json、.oxlintrc.json
- 配置VSCode推荐插件和前端构建工具链
- 实现文件服务FileService和相关业务逻辑

app/services/image_service.py

@@ -0,0 +1,40 @@
+import os
+import re
+import shutil
+
+from app.services import FolderService
+from app.constants import IMAGE_EXTENSIONS, IGNORE_DIRS
+
+
+class ImageService:
+    def __init__(self):
+        self.prefix_pattern = re.compile(r'(?i)[A-Z]+\.')
+        self.paths = ["C:\\Users\\Localhost\\Desktop\\images"]
+        self.image_root_folder = "C:\\Users\\Localhost\\Desktop\\images"
+        self.done_image = "C:\\Users\\Localhost\\Desktop\\BT\\done_images"
+
+    def export_callback(self, entry: os.DirEntry[str]) -> None:
+        name, ext = os.path.splitext(entry.name)
+        ext = ext.lower()
+        if ext in IMAGE_EXTENSIONS:
+            file_parent_dir = os.path.basename(os.path.dirname(entry.path))
+            dest_dir = os.path.join(self.image_root_folder, file_parent_dir)
+            os.makedirs(dest_dir, exist_ok=True)
+
+            dest_file = os.path.join(dest_dir, entry.name)
+            if os.path.exists(dest_file):
+                yield f"data: {entry.name} 已存在\n\n"
+                return
+
+            try:
+                shutil.move(entry.path, dest_file)
+            except shutil.Error as e:
+                yield f"data: 移动失败: {e}\n\n"
+
+    def export(self):
+        FolderService(self.paths, ignore_dirs=IGNORE_DIRS, file_callback=self.export_callback).process_folder()
+
+    # 去结尾字母，已使用过了
+    def remove_last_letter(self, entry: os.DirEntry[str]):
+        without_modifier_file_name = self.prefix_pattern.sub('.', entry.name)
+        os.rename(entry.path, os.path.join(os.path.dirname(entry.path), without_modifier_file_name))