FastAPI教程-集成SQLAlchemy：在路由中执行添加数据 作者：马育民 • 2026-08-17 10:07 • 阅读：10001 # 实现 在路由函数中，注入依赖，依赖传入 `get_db`，调用增删改查函数时，传入 `db` 修改 `main.py` 内容如下： ``` @app.post('/user') async def save_user(username:str,password:str, db = Depends(get_db)): user = User(username = username,password = password) await save(db,user) return { "code":200, "msg":"添加成功！" } ``` ### 完整代码 ``` from fastapi import FastAPI, Depends from core.database import get_db from crud.user import save from models.user import User app = FastAPI() @app.post('/user') async def save_user(username:str,password:str, db = Depends(get_db)): user = User(username = username,password = password) await save(db,user) return { "code":200, "msg":"添加成功！" } ``` # 测试 [](https://www.malaoshi.top/upload/0/0/1GW3sSaKJvDq.png) 原文出处：/show_1GW3sSb500Mt.html