add backend source code

backend/create_plan_tables.py

@@ -0,0 +1,19 @@
+"""
+创建绩效计划管理表
+"""
+import asyncio
+from app.core.database import engine, Base
+from app.models.models import PerformancePlan, PlanKpiRelation
+
+
+async def create_tables():
+    """创建绩效计划管理相关表"""
+    async with engine.begin() as conn:
+        # 创建所有表
+        await conn.run_sync(Base.metadata.create_all)
+    
+    print("绩效计划管理表创建成功！")
+
+
+if __name__ == "__main__":
+    asyncio.run(create_tables())