nb

PythonProject/api/grade_api.py

@@ -3,6 +3,7 @@ from util.database import get_db
 from model.all_model import Student_Model
 from dao.grade_dao import *
 from schema.grade_schema import *
+from fastapi import APIRouter, Depends, HTTPException, Body
 
 gradeAPI = APIRouter(tags=['学生考核成绩'])
 
@@ -22,37 +23,50 @@ def post_grade(o:GradeRequest,db=Depends(get_db)):
         raise HTTPException(status_code=400, detail='学生不存在')
     return o
 
-@gradeAPI.put('/{score_id}',summary='成绩修改')
+@gradeAPI.put("/grade/{score_id}", summary="成绩修改")
 def put_grade(
-        score_id: int
+    score_id: int,
-        ,o:GradeUpdate
+    exam_order: int | None = Body(default=None),
-        ,db=Depends(get_db)
+    score: float | None = Body(default=None),
+    db=Depends(get_db)
 ):
+    # 1. 查询这条成绩记录是否存在(未删除)
     old_obj = get_score_by_id_dao(score_id=score_id, db=db)
     if not old_obj:
         raise HTTPException(status_code=404, detail="成绩记录不存在(已删除)")
 
-    d = o.model_dump(exclude_unset=True)
+    # 2. 组装需要更新的字典，只把不为None的字段放进去
-    if not d:
+    update_data = {}
-        raise HTTPException(status_code=400,detail='请传入需要修改的字段')
+    if exam_order is not None:
-    if "exam_order" in d:
+        update_data["exam_order"] = exam_order
+    if score is not None:
+        update_data["score"] = score
+
+    # 没有传入任何要修改的字段
+    if not update_data:
+        raise HTTPException(status_code=400, detail="请传入需要修改的字段：exam_order 或 score")
+
+    # 3. 如果要修改考核序次，做重复校验：同一个学生不能重复的exam_order
+    if "exam_order" in update_data:
         exist_obj = get_score_by_stu_exam_order_dao(
             stu_id=old_obj.stu_id,
-            exam_order=d["exam_order"],
+            exam_order=update_data["exam_order"],
             db=db
         )
-        if exist_obj and exist_obj.id != score_id:
+        # 查询到别的记录占用该学生该考核序次
+        if exist_obj and exist_obj.score_id != score_id:
             raise HTTPException(status_code=409, detail="修改后的考核序次，该学生已有成绩！")
 
-        try:
+    # 4.执行数据库更新
-            r = update_grade_dao(score_id=score_id, update_data=d, db=db)
+    try:
-        except Exception:
+        rows = update_grade_dao(score_id=score_id, update_data=update_data, db=db)
-            raise HTTPException(status_code=409, detail="数据冲突，重复数据")
+    except Exception:
+        raise HTTPException(status_code=409, detail="数据冲突，重复数据")
 
-        if r == 0:
+    if rows == 0:
-            return {"code": 200, "totals": r, "detail": "数据未发生变化"}
+        return {"code": 200, "totals": rows, "detail": "数据未发生变化"}
 
-        return {"code": 200, "totals": r, "detail": "更新成功"}
+    return {"code": 200, "totals": rows, "detail": "更新成功"}
 
 @gradeAPI.delete('/{score_id}',summary='删除成绩')
 def delete_grade(score_id:int,db=Depends(get_db)):

PythonProject/schema/grade_schema.py

@@ -15,6 +15,6 @@ class GradeResponse(BaseModel):
     exam_order:int
     score:float
 
-class GradeUpdate(BaseModel):
+# class GradeUpdate(BaseModel):
-    exam_order: int | None = Field( None,description="考核序次")
+#     exam_order: int | None = Field( None,description="考核序次")
-    score: float | None = Field( None,description="成绩")
+#     score: float | None = Field( None,description="成绩")