更改文件导入路径

class_management/api/class_management_api.py

@@ -6,6 +6,7 @@ from class_management.schema.class_management_request import ClassCreate, ClassR
 
 class_api = APIRouter(prefix='/classes',tags=['班级管理模块'])
 
+
 @class_api.post("",summary='新增班级')
 def add_class(cla:ClassCreate,db=Depends(get_db)):
     c_dict = cla.model_dump()

class_management/dao/class_management_dao.py

@@ -2,6 +2,7 @@ from class_management.model.class_management_model import ClassInfo
 from sqlalchemy.orm import Session
 
 
+
 #查询
 def get_class_dao(c:dict,db:Session) :
     q = db.query(ClassInfo).filter(ClassInfo.is_delete == 0)#is_delete=0代表未删除

class_management/database.py

@@ -1,9 +1,22 @@
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker,declarative_base
 
-class_management_url = "mysql+pymysql://root:123456@localhost:3306/student_manage_system?charset=utf8mb4"
 
-engine = create_engine(class_management_rul)
+# 导入.env参数
+import os
+from dotenv import load_dotenv
+load_dotenv( )
+DB_USER = os.getenv("DB_USER", "root")
+DB_PASSWORD = os.getenv("DB_PASSWORD", "")
+DB_HOST = os.getenv("DB_HOST", "localhost")
+DB_PORT = os.getenv("DB_PORT", "3306")
+DB_NAME = os.getenv("DB_NAME", "student_manage_system")
+
+class_management_url = f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}?charset=utf8mb4"
+
+# class_management_url = "mysql+pymysql://root:123456@localhost:3306/student_manage_system?charset=utf8mb4"
+
+engine = create_engine(class_management_url)
 SessionLocal = sessionmaker(bind=engine,autocommit=False, autoflush=False)
 Base = declarative_base()
 

class_management/main.py

@@ -2,6 +2,9 @@ from fastapi import FastAPI,APIRouter
 from class_management.api.class_management_api import class_api
 from class_management.model.class_management_model import ClassInfo
 from class_management.database import Base,engine
+#import model
+
+Classes_API = APIRouter()
 
 app = FastAPI()
 

class_management/model/class_management_model.py

@@ -3,6 +3,7 @@ from sqlalchemy.dialects.mysql import DATETIME
 from datetime import datetime
 from class_management.database import Base
 
+
 class ClassInfo(Base):
     __tablename__ = 'classes'
 

class_management/schema/class_management_request.py

@@ -1,6 +1,6 @@
 from pydantic import BaseModel,Field
 from datetime import date,datetime
-from typing import Optional,List
+from typing import List
 
 #班级基础信息请求体
 class ClassBase(BaseModel):