a

personal-blog/backend/database.py

@@ -0,0 +1,27 @@
+"""
+数据库配置 - SQLite
+"""
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+import os
+
+# 数据库路径
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+DATABASE_URL = f"sqlite:///{os.path.join(BASE_DIR, 'blog.db')}"
+
+engine = create_engine(
+    DATABASE_URL, 
+    connect_args={"check_same_thread": False}
+)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+Base = declarative_base()
+
+# 依赖注入
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()