diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..06d7405
Binary files /dev/null and b/__init__.py differ
diff --git a/database.py b/database.py
new file mode 100644
index 0000000..98f4b1b
--- /dev/null
+++ b/database.py
@@ -0,0 +1,21 @@
+from sqlalchemy import *
+from sqlalchemy.orm import declarative_base, sessionmaker
+
+db_url = "mysql+pymysql://root:123456@127.0.0.1:3306/ai111?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()
+
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..08bb6cd
--- /dev/null
+++ b/main.py
@@ -0,0 +1,14 @@
+from fastapi import FastAPI
+from day22.api.order_api import OrderAPI
+
+from day22.database import engine, Base
+from day22.model import order_model
+Base.metadata.create_all(engine)
+
+app = FastAPI(title='订单系统')
+
+app.include_router(OrderAPI)
+
+if __name__ == '__main__':
+    import uvicorn
+    uvicorn.run(app, host='127.0.0.1', port=8000)
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diff --git a/order_api.py b/order_api.py
new file mode 100644
index 0000000..cb422da
--- /dev/null
+++ b/order_api.py
@@ -0,0 +1,36 @@
+from fastapi import APIRouter,Depends,HTTPException
+from day22.model.order_model import Order
+from day22.schema.order_schema import Request,OrderResponse
+from day22.database import get_db
+from day22.dao.order_dao import *
+
+OrderAPI = APIRouter(prefix="/orders", tags=["订单管理"])
+
+@OrderAPI.post("/orders",summary='添加订单接口')
+def create_order(order: Request,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)
+
+# ③ 编写put接口对订单进行更新操作
+@OrderAPI.put("/orders/{id}",summary='更新订单接口')
+def update_order(id: int, order: Request,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'}
+
+# ④ 编写get接口对订单进行查询操作
+@OrderAPI.get("/orders/{id}",summary='查询订单接口')
+def get_order(id: int,db=Depends(get_db)):
+    req = get_order_dao(id = id, db=db)
+    return req
+
+# ⑤ 编写delete接口对订单进行删除操作
+@OrderAPI.delete("/orders/{id}",summary='删除订单接口')
+def delete_order(order_id: int, db=Depends(get_db)):
+    r = delete_order_dao(id, db=db)
+    return {'code': 200, 'totals': r, 'detail': '删除成功'}
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diff --git a/order_dao.py b/order_dao.py
new file mode 100644
index 0000000..cc9b8ea
--- /dev/null
+++ b/order_dao.py
@@ -0,0 +1,46 @@
+from day22.model.order_model import Order
+
+
+def add_student_dao(o,db):
+    try:
+        o1 = Order( **o)
+        db.add(o1)
+    except:
+        db.rollback()
+        return False
+    else:
+        db.commit()
+        return True
+
+
+def update_orders_dao(id,update_data,db):
+    try:
+        rows = db.query( Order ).filter( Order.id == id ).update( update_data )
+    except:
+        db.rollback()
+        return False
+    else:
+        db.commit()
+        return rows
+
+
+def get_order_dao(id,db):
+    try:
+        req = db.query(Order).filter(Order.id == id).all()
+    except:
+        db.rollback()
+        return False
+    else:
+        db.commit()
+        return [{"order_id":i.id,'order_title':i.title,"user_id":i.userid,"create_date":i.create_date,"update_date":i.update_date} for i in req]
+
+
+def delete_order_dao(id,db):
+    try:
+        rows = db.query(Order).filter(Order.id == id).delete()
+    except:
+        db.rollback()
+        return False
+    else:
+        db.commit()
+        return rows
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