Add backend api and engine

api/init_db.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+"""初始化数据库"""
+import os
+import sys
+
+# 添加路径
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+from app.db import Base, engine
+from app.models import Voice
+
+
+def init_db():
+    """创建所有表"""
+    print("📦 创建数据库表...")
+    Base.metadata.drop_all(bind=engine)  # 删除旧表
+    Base.metadata.create_all(bind=engine)
+    print("✅ 数据库表创建完成")
+
+
+def init_default_voices():
+    """初始化默认声音"""
+    from app.db import SessionLocal
+    
+    db = SessionLocal()
+    try:
+        if db.query(Voice).count() == 0:
+            voices = [
+                Voice(id="v1", name="Xiaoyun", vendor="Ali", gender="Female", language="zh", description="Gentle and professional."),
+                Voice(id="v2", name="Kevin", vendor="Volcano", gender="Male", language="en", description="Deep and authoritative."),
+                Voice(id="v3", name="Abby", vendor="Minimax", gender="Female", language="en", description="Cheerful and lively."),
+                Voice(id="v4", name="Guang", vendor="Ali", gender="Male", language="zh", description="Standard newscast style."),
+                Voice(id="v5", name="Doubao", vendor="Volcano", gender="Female", language="zh", description="Cute and young."),
+            ]
+            for v in voices:
+                db.add(v)
+            db.commit()
+            print("✅ 默认声音数据已初始化")
+        else:
+            print("ℹ️ 声音数据已存在，跳过初始化")
+    finally:
+        db.close()
+
+
+if __name__ == "__main__":
+    # 确保 data 目录存在
+    data_dir = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "data")
+    os.makedirs(data_dir, exist_ok=True)
+    
+    init_db()
+    init_default_voices()
+    print("🎉 数据库初始化完成！")