外键

scores/api/score_api.py

@@ -0,0 +1,46 @@
+from fastapi import APIRouter, Depends,HTTPException
+from scores.database import get_db
+from scores.dao.score_dao import get_scores_dao,add_scores_dao,update_scores_dao,delete_scores_dao
+from scores.model.score_model import Score
+from scores.schema.score_request import ScoreRequest, ScoreResponse,ScoreQuery
+
+score_api = APIRouter(tags=['成绩'])
+
+@score_api.get('/Score',summary='成绩查询',description=f'查询条件为空即查询所有成绩')
+def get_scores(score:ScoreQuery=Depends(),db=Depends(get_db)):
+    a = score.model_dump()
+    aa = get_scores_dao(s=a,db=db)
+    if aa:
+        return aa
+    raise HTTPException(status_code=404,detail='不存在')
+
+@score_api.post('/Score',response_model=ScoreResponse
+    ,summary='成绩添加')
+def add_scores(score:ScoreRequest=Depends(),db=Depends(get_db)):
+    a = score.model_dump()
+    # print(a,type(a))
+    aa = add_scores_dao(b=a,db=db)
+    if aa:
+        return ScoreResponse(data=a)
+    raise HTTPException(status_code=500,detail='不可以')
+
+@score_api.put('/Score',summary='成绩更新',description=f'查询条件为学号,班级号,考试序次,考试科目,然后更改这位同学此次科目的成绩')
+def update_scores(score:ScoreRequest,sid:int,cid:int,num:int,t_subject:int,db=Depends(get_db)):
+    a = score.model_dump(exclude_unset=True,exclude={'id','sid','cid','num','t_subject'})
+    aa = update_scores_dao(sid = sid,cid = cid,num = num,t_subject = t_subject,update_data = a,db=db)
+    if  aa==-1:
+        raise HTTPException(status_code=500,detail='没有更新')
+    if  aa==0:
+        raise HTTPException(status_code=404,detail='不存在')
+    return {'message':'更新成功','data':a}
+
+@score_api.delete('/Score',summary='成绩删除',description=f'查询条件为学号,班级号,考试科目,然后进行删除')
+def delete_scores(sid:int,cid:int,t_subject:int,db=Depends(get_db)):
+    aaa = delete_scores_dao(sid,cid,t_subject,db)
+    if  aaa==1:
+        raise HTTPException(status_code=500,detail='删除失败')
+    if  aaa==0:
+        raise HTTPException(status_code=404,detail='记录不存在')
+    return {'message':'更新成功','detail':aaa}
+
+

scores/dao/score_dao.py

@@ -0,0 +1,78 @@
+from scores.model.score_model import Score
+from datetime import datetime
+
+def get_scores_dao(s,db):
+    ab = db.query(Score).filter(Score.is_deleted ==0)
+    if s.get('id'):
+        ab = ab.filter(Score.id==s.get('id'))
+    if s.get('sid'):
+        ab = ab.filter(Score.sid==s.get('sid'))
+    if s.get('cid'):
+        ab = ab.filter(Score.cid==s.get('cid'))
+    if s.get('num'):
+        ab = ab.filter(Score.num==s.get('num'))
+    if s.get('score'):
+        ab = ab.filter(Score.score==s.get('score'))
+    if s.get('t_subject'):
+        ab = ab.filter(Score.t_subject==s.get('t_subject'))
+    aa = ab.all()
+    if aa:
+        return [{'id':i.id,'sid':i.sid
+                ,'cid':i.cid,'num':i.num
+                ,'score': i.score,'t_subject':i.tsub
+                ,'create_date':i.create_date,'update_date':i.update_date
+                ,'is_deleted': i.is_deleted,'deleted_date': i.deleted_date
+                 }for i in aa]
+    else:
+        return []
+
+def add_scores_dao(b,db):
+    try:
+        aa = db.query(Score).filter(Score.sid==b['sid']
+                                    ,Score.t_subject==b['t_subject']).all()
+        if aa:
+            raise ValueError
+        else:
+            z = Score(**b)
+            db.add(z)
+    except Exception as e:
+        db.rollback()
+        print(e)
+        return False
+    else:
+        db.commit()
+        return True
+
+def update_scores_dao(sid:int,cid:int,num:int,t_subject:int,update_data:dict,db):
+    if not update_data:
+        return 0
+    update_data['update_date']=datetime.now()
+    try:
+        aa = db.query(Score).filter(Score.sid == sid
+                                    ,Score.cid == cid
+                                    ,Score.num == num
+                                    ,Score.t_subject == t_subject ).update(update_data)
+        db.commit()
+        return aa
+    except Exception :
+        db.rollback()
+        return -1
+
+
+def delete_scores_dao(sid:int,cid:int,t_subject:int,db):
+    try:
+        aaa = db.query(Score).filter(Score.sid ==sid
+                                     ,Score.cid == cid
+                                     ,Score.t_subject == t_subject
+                                     ,Score.is_deleted==0
+                                     ).update({'is_deleted':1
+                                     ,'deleted_date':datetime.now()})
+        db.commit()
+        return aaa
+    except Exception as e :
+        db.rollback()
+        print(e)
+        return -1
+
+
+

scores/database.py

@@ -0,0 +1,25 @@
+from sqlalchemy import *
+from sqlalchemy.orm import declarative_base,sessionmaker
+
+# 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")
+
+db_url = f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}?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()

scores/main.py

@@ -0,0 +1,17 @@
+from fastapi import FastAPI,APIRouter
+from scores.api.score_api import score_api
+from scores.database import engine,Base
+
+# 合并接口
+Scores_API = APIRouter()
+Scores_API.include_router(score_api)
+
+# 自测接口
+app = FastAPI(title='成绩管理系统')
+app.include_router(score_api)
+
+Base.metadata.create_all(engine)
+
+if __name__ == '__main__':
+    import uvicorn
+    uvicorn.run('main:app',host='127.0.0.1',port=12346)

scores/model/score_model.py

@@ -0,0 +1,43 @@
+from scores.database import Base
+from datetime import datetime
+from sqlalchemy import DateTime,Column,Integer,String,Float,ForeignKey
+
+
+
+class Score(Base):
+    __tablename__='scores'
+    id = Column(Integer
+                 ,primary_key = True
+                 ,autoincrement = True
+                 ,comment ='编号'
+                 )
+    sid = Column(Integer
+                 ,ForeignKey('students.id')
+                 ,comment ='学生ID'
+                 )
+    cid = Column(Integer
+                 ,ForeignKey('classes.id')
+                 ,comment ='班级ID'
+                 )
+    num = Column(Integer
+                 ,comment ='考试序次'
+                 )
+    score = Column(Integer,nullable = False)
+    t_subject = Column(Integer
+                   ,ForeignKey('subject.id')
+                   ,nullable = False
+                   )
+    create_date = Column(DateTime
+                         ,default = datetime.now
+                         )
+    update_date = Column(DateTime
+                         ,default = datetime.now
+                         )
+    is_deleted = Column(Integer
+                        ,default = 0
+                        ,comment='是否删除： 0-正常，1-已删除'
+                        )
+    deleted_date=Column(DateTime
+                        ,default=None
+                        ,comment='删除时间'
+                        )

scores/schema/score_request.py

@@ -0,0 +1,23 @@
+from pydantic import BaseModel
+
+class ScoreRequest(BaseModel):
+    # id:int
+    sid:int
+    cid:int
+    num:int
+    score:int
+    t_subject:int
+
+class ScoreQuery(BaseModel):
+    id:int|None = None
+    sid:int|None = None
+    cid:int|None = None
+    num:int|None = None
+    score:int|None = None
+    t_subject:int|None = None
+
+class ScoreResponse(BaseModel):
+    code:int = 200
+    detail:str = 'OK'
+    totals:int = 0
+    data:str|dict|tuple|list