From f0f04b1320158264c5277d6a91b17b2319b16bcf Mon Sep 17 00:00:00 2001 From: lrs <2776117553@qq.com> Date: Mon, 11 Sep 2023 16:14:31 +0800 Subject: [PATCH] Further improvement of teacher functions -Query student information --- EduSystemServer/teacher/urls.py | 3 +- EduSystemServer/teacher/views.py | 140 +++++++++++++++++++++++++++++-- 2 files changed, 135 insertions(+), 8 deletions(-) diff --git a/EduSystemServer/teacher/urls.py b/EduSystemServer/teacher/urls.py index d43344c..1de836c 100644 --- a/EduSystemServer/teacher/urls.py +++ b/EduSystemServer/teacher/urls.py @@ -15,5 +15,6 @@ urlpatterns = [ path('student/',student_performance_management), path('query/',query_student_information), path('course/',teaching_resources), - path('selection/',course_selection) + path('selection/',course_selection), + path('management/',student_management) ] \ No newline at end of file diff --git a/EduSystemServer/teacher/views.py b/EduSystemServer/teacher/views.py index 57393c3..7c32e2b 100644 --- a/EduSystemServer/teacher/views.py +++ b/EduSystemServer/teacher/views.py @@ -98,7 +98,7 @@ def delete(request): return JsonResponse({'code': 200, 'msg': '删除失败'}, safe=False) @csrf_exempt -def teaching_resources(request): # 课程程序 +def teaching_resources(request): # 课程查询 if request.method == 'POST': cid = int(request.POST.get('cid')) name = request.POST.get('name') @@ -255,13 +255,12 @@ def student_performance_management(request): # 学生成绩管理 elif request.method == "DELETE": put = MultiPartParser(request.META, request, request.upload_handlers, request.encoding).parse() sid = put[0]['sid'] - print(sid) + cid = put[0]['cid'] + print(sid,cid) try: - info = SC.objects.filter(sid=sid) - data = info.values() # 将 QuerySet 对象转换为字典列表 + SC.objects.filter(sid=sid, cid=cid).update(middle_grade=0,end_grade=0) + data = SC.objects.filter(sid=sid).values()# 将 QuerySet 对象转换为字典列表 data = list(data) # 转换为列表以便序列化为 JSON - print(info) - SC.objects.filter(sid=sid).delete() response = ResponseUtil.ok(data,"删除成功！") return JsonResponse(response) except: @@ -283,8 +282,9 @@ def student_performance_management(request): # 学生成绩管理 response = ResponseUtil.ok(data, "学生成绩修改成功") return JsonResponse(response) + @csrf_exempt -def course_selection(request): +def course_selection(request): # 选课管理 if request.method == 'POST': # 假设需要将 tid 为 1 的老师赋值给某个课程的 tid 字段 teacher_id = int(request.POST.get('tid')) @@ -360,3 +360,129 @@ def course_selection(request): else: response = ResponseUtil.error("课程信息修改失败，信息不全") return JsonResponse(response) +@csrf_exempt +def student_management(request): + if request.method == 'GET': + tid = request.GET.get('tid') + # 获取第1个查询表的数据 + table1_result = Course.objects.filter(tid__tid=tid) + cids = [item.cid for item in table1_result] + # 获取第二个查询表的数据 + table2_result = SC.objects.filter(cid__in=cids) + # for item in table2_result: + # print(item.sid.sid) + # 获取第三个查询表的数据 + # 提取查询结果中的 sid 值 + sids = [item.sid.sid for item in table2_result] + table3_result = Student.objects.filter(sid__in=sids).values('sid', 'name', 'sex', 'grade', 'class_name', 'major') + table = list(table3_result) + response = ResponseUtil.ok(table,"选课学生信息") + return JsonResponse(response) + if request.method == 'POST': + cid = request.POST.get('cid') + tid = request.POST.get('tid') + grade = request.POST.get('grade') + class_name = request.POST.get('class_name') + major = request.POST.get('major') + # 定义空查询条件 + data = [] + if cid: + data.append(SC.objects.filter(cid=cid)) + else: + # 获取第1个查询表的数据 + table1_result = Course.objects.filter(tid__tid=tid) + cids = [item.cid for item in table1_result] + # 获取第二个查询表的数据 + data.append(SC.objects.filter(cid__in=cids)) + # for item in table2_result: + # print(item.sid.sid) + # 获取第三个查询表的数据 + # 提取查询结果中的 sid 值 + print(data) + sids = [item.sid.sid for item in data[0]] + conditions = Q(sid__in=sids) + if grade: + conditions &= Q(grade=grade) + if class_name: + class_name &= Q(class_name=class_name) + if major: + conditions &= Q(major=major) + table3_result = Student.objects.filter(conditions).values('sid', 'name', 'sex', 'grade', 'class_name', + 'major') + table = list(table3_result) + response = ResponseUtil.ok(table, "选课学生查询成功") + return JsonResponse(response) + + if request.method == 'DELETE': + put = MultiPartParser(request.META, request, request.upload_handlers, request.encoding).parse() + sid = put[0]['sid'] + cid = put[0]['cid'] + print(sid) + try: + info = SC.objects.filter(sid=sid) + data = info.values() # 将 QuerySet 对象转换为字典列表 + data = list(data) # 转换为列表以便序列化为 JSON + print(info) + SC.objects.filter(sid=sid,cid=cid).delete() + response = ResponseUtil.ok(data, "学生选课删除成功！") + return JsonResponse(response) + except: + response = ResponseUtil.error("未找到学生成绩") + return JsonResponse(response) + +@csrf_exempt +def SC_selection(request): + if request.method == 'GET': + cid = request.GET.get('cid') + table2_result = SC.objects.filter(cid__in=cid) + # for item in table2_result: + # print(item.sid.sid) + # 获取第三个查询表的数据 + # 提取查询结果中的 sid 值 + sids = [item.sid.sid for item in table2_result] + table3_result = Student.objects.filter(sid__in=sids).values('sid', 'name', 'sex', 'grade', 'class_name', + 'major') + table = list(table3_result) + response = ResponseUtil.ok(table, "选课学生信息") + return JsonResponse(response) + if request.method == 'POST': + cid = request.POST.get('cid') + grade = request.POST.get('grade') + class_name = request.POST.get('class_name') + major = request.POST.get('major') + # 定义空查询条件 + data = [] + data.append(SC.objects.filter(cid=cid)) + # 获取第三个查询表的数据 + # 提取查询结果中的 sid 值 + print(data) + sids = [item.sid.sid for item in data[0]] + conditions = Q(sid__in=sids) + if grade: + conditions &= Q(grade=grade) + if class_name: + class_name &= Q(class_name=class_name) + if major: + conditions &= Q(major=major) + table3_result = Student.objects.filter(conditions).values('sid', 'name', 'sex', 'grade', 'class_name', + 'major') + table = list(table3_result) + response = ResponseUtil.ok(table, "选课学生查询成功") + return JsonResponse(response) + + if request.method == 'DELETE': + put = MultiPartParser(request.META, request, request.upload_handlers, request.encoding).parse() + sid = put[0]['sid'] + cid = put[0]['cid'] + print(sid) + try: + info = SC.objects.filter(sid=sid) + data = info.values() # 将 QuerySet 对象转换为字典列表 + data = list(data) # 转换为列表以便序列化为 JSON + print(info) + SC.objects.filter(sid=sid, cid=cid).delete() + response = ResponseUtil.ok(data, "学生选课删除成功！") + return JsonResponse(response) + except: + response = ResponseUtil.error("未找到学生成绩") + return JsonResponse(response) \ No newline at end of file