已有认证识别基本功能，暂未支持高并发

app/database.py

@@ -0,0 +1,47 @@
+
+import sqlite3
+from contextlib import contextmanager
+
+DATABASE_URL = "E:/geminicli/face_recognition_service_v2/face_recognition.db"
+
+@contextmanager
+def get_db_connection():
+    """获取数据库连接，并使用上下文管理器确保连接关闭"""
+    conn = sqlite3.connect(DATABASE_URL)
+    conn.row_factory = sqlite3.Row
+    try:
+        yield conn
+    finally:
+        conn.close()
+
+def initialize_database():
+    """初始化数据库，创建所需的表"""
+    with get_db_connection() as conn:
+        cursor = conn.cursor()
+        
+        # 创建用户表
+        cursor.execute("""
+        CREATE TABLE IF NOT EXISTS users (
+            id INTEGER PRIMARY KEY,
+            name TEXT NOT NULL
+        );
+        """)
+        
+        # 创建人脸特征表
+        cursor.execute("""
+        CREATE TABLE IF NOT EXISTS face_features (
+            feature_id INTEGER PRIMARY KEY AUTOINCREMENT,
+            user_id INTEGER NOT NULL,
+            embedding BLOB NOT NULL,
+            FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
+        );
+        """)
+        
+        # 创建索引以加速查询
+        cursor.execute("CREATE INDEX IF NOT EXISTS idx_user_id ON face_features (user_id);")
+        
+        conn.commit()
+    print("数据库初始化完成。")
+
+if __name__ == '__main__':
+    initialize_database()