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cf67754e0c |
-19
@@ -1,19 +0,0 @@
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from sqlalchemy import *
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from sqlalchemy.orm import declarative_base,sessionmaker
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db_url = "mysql+pymysql://root:123456@127.0.0.1:3306/ai0824?charset=utf8"
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engine = create_engine(db_url,pool_size=50)
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Base = declarative_base()
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Session = sessionmaker(bind=engine
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,autoflush=False
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,autocommit = False
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)
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def get_db():
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db = Session()
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try:
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yield db
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finally:
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db.close()
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@@ -1,47 +0,0 @@
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# 使用orm结合fastapi接口对数据库的订单表进行增删改查
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# ① 连接数据库,定义数据库表模型,以及数据库会话工具
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# ② 定义请求体模型,编写post接口对数据库的订单表插入数据
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# ③ 编写put接口对订单进行更新操作
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# ④ 编写get接口对订单进行查询操作
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# ⑤ 编写delete接口对订单进行删除操作
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# ① api目录里编写一个文件order_api.py ,利用api路由分发,存放编写好的以上四个订单增删改查接口
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from fastapi import APIRouter, Depends, HTTPException
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from homework.day23.schema.order_schema import *
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from homework.day23.database import get_db
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from homework.day23.dao.order_dao import *
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OrderAPI = APIRouter()
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@OrderAPI.post("",summary="订单新增接口",response_model=OrderResponse)
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def add_order(ord:list[OrderRequest],db=Depends(get_db)):
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for i in ord:
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d = i.model_dump()
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r = add_order_dao(o=d,db=db)
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if not r:
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raise HTTPException(status_code=500,detail='添加失败!请稍后在添加!')
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return OrderResponse(detail='添加成功!',total=len(ord))
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@OrderAPI.put("/{order_id}",summary="订单更新接口",response_model=OrderResponse)
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def update_order(order_id:int, ord:OrderRequest,db=Depends(get_db)):
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rows = update_order_dao(id=order_id,o=ord,db=db)
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if not rows:
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raise HTTPException(status_code=500, detail='更新失败!')
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return OrderResponse(detail='更新成功!',total= rows )
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@OrderAPI.get("",summary="订单查询接口",response_model=OrderResponse)
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def get_order(order_title:str|None = None,order_id:int|None = None,page:int=1,page_size:int=10,db=Depends(get_db)):
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r = get_order_dao(id = order_id,title=order_title,p=page,pz=page_size,db=db)
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if r:
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return OrderResponse(detail='更新成功!',total=len(r),data=r )
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raise HTTPException(status_code=404, detail='订单不存在!')
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@OrderAPI.delete("/{order_id}",summary="订单删除接口",response_model=OrderResponse)
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def delete_order(order_id:int,db=Depends(get_db)):
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rows = del_order_dao(id=order_id,db=db)
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if not rows:
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raise HTTPException(status_code=500, detail='删除异常!')
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return OrderResponse(detail='删除成功!',total= rows )
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@@ -1,41 +0,0 @@
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from homework.day23.model.order_model import *
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from sqlalchemy import *
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def add_order_dao(o ,db):
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try:
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ord1 = Order(**o)
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db.add(ord1)
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except:
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db.rollback()
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return False
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else:
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db.commit()
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return True
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def get_order_dao(id,title,p,pz,db):
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r = db.query(Order).filter(or_(Order.title == title, Order.id == id)).\
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offset((p - 1) * pz).limit(pz).all()
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if r:
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return [{'Order_id': i.id, 'Order_title': i.title, 'userid': i.userid,
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'create_date': i.create_date, 'update_date': i.update_date} for i in r]
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def del_order_dao(id,db):
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try:
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rows = db.query(Order).filter(Order.id == id).delete()
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except:
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db.rollback()
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rows = 0
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else:
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db.commit()
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finally:
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return rows
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def update_order_dao(id,o,db):
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try:
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rows = db.query(Order).filter(Order.id == id ).update(o.model_dump(exclude_unset=True))
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except:
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db.rollback()
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rows = 0
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else:
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db.commit()
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finally:
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return rows
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@@ -1,15 +0,0 @@
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# model目录里编写一个order_model.py ,存放的是订单表的表模型类
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from homework.day23.database import DATETIME,Base,Column,Integer,String,engine
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from datetime import datetime
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class Order(Base):
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__tablename__ = "order_info"
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id = Column(Integer , primary_key=True, autoincrement=True, comment='订单编号,自增主键')
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title = Column(String(50) , nullable=False)
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userid = Column(Integer
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# ,ForeignKey('user_info_detail.id')
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, nullable=False)
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create_date = Column(DATETIME, default=datetime.now)
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update_date = Column(DATETIME, default=datetime.now, onupdate=datetime.now)
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Base.metadata.create_all(engine)
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@@ -1,16 +0,0 @@
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# order_schema.py, 存放的是订单表的相关请求体、相应体模型
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from pydantic import BaseModel
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class OrderRequest(BaseModel):
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title:str|None = None
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userid:int|None=None
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class OrderResponse(BaseModel):
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code:int = 200
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detail:str = '成功'
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total:int = 1
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data:int|list|dict|tuple|None
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