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src/database/connection.py

@@ -0,0 +1,26 @@
+"""数据库连接管理"""
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker, Session
+
+from src.config import settings
+
+# 创建引擎
+engine = create_engine(
+    settings.db_url,
+    pool_size=5,
+    max_overflow=10,
+    pool_recycle=3600,
+    echo=False
+)
+
+# 创建会话工厂
+SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False)
+
+
+def get_db() -> Session:
+    """获取数据库会话"""
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()