From 60138f5c7d4a6b1a6157efa065d3e4e3f0e8e447 Mon Sep 17 00:00:00 2001 From: wolin_LeeERbn <2659388772@qq.com> Date: Sat, 19 Sep 2026 14:45:05 +0800 Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?= =?UTF-8?q?=E3=80=8C/=E3=80=8D?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- __init__.py | Bin 0 -> 1024 bytes database.py | 18 ++++++++++++++++++ main.py | 11 +++++++++++ order_api.py | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ order_dao.py | 45 +++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 124 insertions(+) create mode 100644 __init__.py create mode 100644 database.py create mode 100644 main.py create mode 100644 order_api.py create mode 100644 order_dao.py diff --git a/__init__.py b/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..06d7405020018ddf3cacee90fd4af10487da3d20 GIT binary patch literal 1024 ScmZQz7zLvtFd70QH3R?z00031 literal 0 HcmV?d00001 diff --git a/database.py b/database.py new file mode 100644 index 0000000..30351a5 --- /dev/null +++ b/database.py @@ -0,0 +1,18 @@ +from sqlalchemy import * +from sqlalchemy.orm import declarative_base,sessionmaker + +db_url = "mysql+pymysql://root:123456@127.0.0.1:3306/ai0824?charset=utf8mb4" +engine = create_engine(db_url) + +Base = declarative_base() +Session = sessionmaker(bind=engine + ,autoflush=False + ,autocommit = False + ) + +def get_db(): + db = Session() + try: + yield db + finally: + db.close() \ No newline at end of file diff --git a/main.py b/main.py new file mode 100644 index 0000000..fcc01e7 --- /dev/null +++ b/main.py @@ -0,0 +1,11 @@ +from fastapi import FastAPI +from day23sk.api.order_api import order_api + +app = FastAPI() + +app.include_router(order_api,tags=['订单接口'],prefix='/orders') + + +if __name__ == '__main__': + import uvicorn + uvicorn.run("main:app",host='0.0.0.0',port=12345) diff --git a/order_api.py b/order_api.py new file mode 100644 index 0000000..f041dc5 --- /dev/null +++ b/order_api.py @@ -0,0 +1,50 @@ +from fastapi import APIRouter,Depends,HTTPException +from day23sk.schema.order_request import OrderRequest,OrderResponse +from day23sk.database import get_db +from day23sk.model.order_model import Order +from day23sk.dao.order_dao import add_student_dao,update_orders_dao,delete_orders_dao,get_orders_dao + +order_api = APIRouter() + + +@order_api.post('',response_model=OrderResponse) +def add_orders(order:OrderRequest,db=Depends(get_db)): + d = order.model_dump() + r = add_student_dao( o=d,db=db ) + if not r: + raise HTTPException(status_code=500,detail='服务器繁忙,请稍后添加!') + return OrderResponse(totals=1,data=d) + +@order_api.put('/{id}') +def get_orders(order:OrderRequest,id:int,db=Depends(get_db)): + d = order.model_dump(exclude_unset=True) + r = update_orders_dao( id=id,update_data=d,db=db ) + if not r: + raise HTTPException(status_code=500, detail='没有更新!') + return {'code':200,'totals':r,'detail':'更新成功'} + +@order_api.get('') +def get_orders(order_title:str,db=Depends(get_db)): + r = get_orders_dao( order_title=order_title ,db=db ) + if r is None: + raise HTTPException(status_code=500,detail='订单异常!') + if not r: + raise HTTPException(status_code=404,detail="订单不存在") + return [{"order_id":i.id,"order_title":i.order_title,"user_id":i.userid,"create_date":i.create_date,"update_date":i.update_date} for i in r] +@order_api.delete('/{id}') +def get_orders(id:int,db=Depends(get_db)): + r = delete_orders_dao( id=id ,db=db) + if r is None: + raise HTTPException(status_code=500, detail='删除异常,稍后操作!') + if r == 0: + raise HTTPException(status_code=404, detail='订单不存在!') + return {'code': 200, 'totals': r, 'detail': '删除成功'} + +# 要求: +''' +①把剩下的delete、get查询接口完成dao层的分层 (√) +②新增一个user_info的表,有外键联系,oder订单表外键依赖user_info,改造一下订单post的接口,新增订单前,判断下用户的id是否存在user_info表里 +''' + + + diff --git a/order_dao.py b/order_dao.py new file mode 100644 index 0000000..d45387c --- /dev/null +++ b/order_dao.py @@ -0,0 +1,45 @@ +from day23sk.model.order_model import Order + + +def add_student_dao(o,db): + try: + o1 = Order( **o) # 将字典解析成键值对关键字参数输入 title = xxx, userid = XXX + db.add(o1) + except Exception: + db.rollback() + return False + else: + db.commit() + return True + + + +def update_orders_dao(id,update_data,db): + try: # 数据更新是有返回值的,返回的是影响的行数 + rows = db.query( Order ).filter( Order.id == id ).update( update_data ) + except Exception: + db.rollback() + return False + else: + db.commit() + return rows + +def delete_orders_dao(id,db): + try: + rows = db.query( Order ).filter( Order.id == id ).delete() + except Exception: + db.rollback() + return None + else: + db.commit() + return rows + +def get_orders_dao(order_title,db): + try: + rows = db.query( Order ).filter( Order.title == order_title ).all() + except Exception: + db.rollback() + return False + else: + db.commit() + return rows \ No newline at end of file