feat: 文件上传所需要的工具函数

app/utils/next_id.py

@@ -0,0 +1,23 @@
+from fastapi import FastAPI
+from sqlalchemy import text
+
+from app.utils.mysql_utils import async_session
+
+
+async def next_id(num: int = 1):
+  async with async_session() as session:
+    sql_string = "select " + ",".join([f"uuid() as _{index}" for index in range(num)])
+    print(sql_string)
+    result = await session.execute(text(sql_string))
+    val = result.first()
+    print(val)
+    arr = list(val or [])
+    return arr[0] if num == 1 else arr
+
+
+def add_next_id_route(app: FastAPI):
+  @app.get("/next_id")
+  async def _next_id(num: int = 1):
+    return {
+      "data": await next_id(num),
+    }