from django.shortcuts import render # Create your views here. # Create your views here. from django.http import JsonResponse from .models import Teacher from django.views.decorators.csrf import csrf_exempt from io import BytesIO from django.http.multipartparser import MultiPartParser from django.http import QueryDict from course.models import Course, SC from Student.models import Student from django.db.models import Q import json from EduSystemServer.utils import ResponseUtil @csrf_exempt def teacher(request): if request.method == "POST": teacher_information = Teacher() teacher_information.username = request.POST.get('username') teacher_information.password = request.POST.get('password') teacher_information.name = request.POST.get('name') teacher_information.sex = request.POST.get('sex') teacher_information.title = request.POST.get('title') teacher_information.education = request.POST.get('education') teacher_information.dept = request.POST.get('dept') teacher_information.save() response = ResponseUtil.ok(teacher_information.to_dict(), "老师信息插入成功") return JsonResponse(response) elif request.method == "GET": name = request.GET.get('name') sex = request.GET.get('sex') title = request.GET.get('title') education = request.GET.get('education') dept = request.GET.get('dept') data = [] if name: filtered = Teacher.objects.filter(name=name) for teacher_x in filtered: data.append(teacher_x.to_dict()) elif sex: filtered = Teacher.objects.filter(sex=sex) for teacher_x in filtered: data.append(teacher_x.to_dict()) elif title: filtered = Teacher.objects.filter(title=title) for teacher_x in filtered: data.append(teacher_x.to_dict()) elif education: filtered = Teacher.objects.filter(education=education) for teacher_x in filtered: data.append(teacher_x.to_dict()) elif dept: filtered = Teacher.objects.filter(dept=dept) for teacher_x in filtered: data.append(teacher_x.to_dict()) else: all_objects = Teacher.objects.all() for teacher_x in all_objects: data.append(teacher_x.to_dict()) response = ResponseUtil.ok(data, "老师信息查询成功") return JsonResponse(response) elif request.method == "DELETE": parser = MultiPartParser(request.META, BytesIO(request.body), request.upload_handlers, request.encoding) posdict = parser.parse() print(posdict) tid = int(posdict[0]['tid']) print(tid) try: info = Teacher.objects.filter(tid=tid).get().to_dict() Teacher.objects.filter(tid=tid).delete() response = {"code": 200, "message": "删除成功！", "data": info} return JsonResponse(response) except: response = ResponseUtil.ok("") return JsonResponse(response) elif request.method == 'PUT': put = MultiPartParser(request.META, request, request.upload_handlers, request.encoding).parse() # request.PUT = put[0] print(put) tid = put[0]['tid'] name = put[0]['name'] sex = put[0]['sex'] title = put[0]['title'] education = put[0]['education'] dept = put[0]['dept'] Teacher.objects.filter(tid=tid).update(name=name) Teacher.objects.filter(tid=tid).update(sex=sex) Teacher.objects.filter(tid=tid).update(title=title) Teacher.objects.filter(tid=tid).update(education=education) Teacher.objects.filter(tid=tid).update(dept=dept) data = Teacher.objects.filter(tid=tid)[0].to_dict() return JsonResponse({'code': 200, 'msg': 'success','data':data}, safe=False) def delete(request): tid = request.GET.get('tid') try: Teacher.objects.filter(tid = tid).delete() return JsonResponse({'code': 200, 'msg': 'success'}, safe=False) except: return JsonResponse({'code': 200, 'msg': '删除失败'}, safe=False) @csrf_exempt def teaching_resources(request): pass @csrf_exempt def student_performance_management(request): # 学生成绩管理 if request.method == "POST": # 学生成绩录入 sid = request.POST.get('sid') cid = request.POST.get('cid') middle_grade = float(request.POST.get('middle_grade')) end_grade = float(request.POST.get('end_grade')) if middle_grade <= 100 and middle_grade >= 0 and end_grade <= 100 and end_grade >= 0: query = SC.objects.filter(sid = sid, cid =cid) if query.exists(): # 如果学生存在，则修改学生成绩 query.update(middle_grade = middle_grade, end_grade= end_grade) else: # 如果学生成绩不存在，则插入学生成绩信息 sc = SC() sid = Student.objects.get(sid=sid) cid = Course.objects.get(cid=cid) sc.sid = sid sc.cid = cid sc.middle_grade = middle_grade sc.end_grade=end_grade sc.save() filtered = SC.objects.filter(sid = sid, cid =cid) data = filtered.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 response = ResponseUtil.ok(data,"学生成绩录入成功") return JsonResponse(response) else: response = ResponseUtil.error("成绩输入有误") return JsonResponse(response) elif request.method == "GET": cid = request.GET.get('cid') c_name = request.GET.get('c_name') sid = request.GET.get('sid') s_name = request.GET.get('s_name') data = [] if c_name: data.append(SC.objects.filter(cid__name=c_name)) elif s_name: data.append(SC.objects.filter(sid__name=s_name)) elif sid and cid: data.append(SC.objects.filter(sid=sid, cid=cid)) elif sid: data.append(SC.objects.filter(sid=sid)) elif cid: data.append(SC.objects.filter(cid=cid)) else: data.append(SC.objects.all()) response = ResponseUtil.ok(list(data[0].values()), "成绩查询成功") return JsonResponse(response) elif request.method == "DELETE": put = MultiPartParser(request.META, request, request.upload_handlers, request.encoding).parse() sid = put[0]['sid'] 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).delete() response = ResponseUtil.ok(data,"删除成功！") return JsonResponse(response) except: response = ResponseUtil.error("未找到学生成绩") return JsonResponse(response) elif request.method == 'PUT': put = MultiPartParser(request.META, request, request.upload_handlers, request.encoding).parse() # request.PUT = put[0] print(put) sid = put[0]['sid'] cid = put[0]['cid'] middle_grade = put[0]['middle_grade'] end_grade = put[0]['end_grade'] SC.objects.filter(sid=sid, cid=cid).update(middle_grade=middle_grade) SC.objects.filter(sid=sid, cid=cid).update(end_grade=end_grade) filtered = SC.objects.filter(sid=sid, cid=cid) data = filtered.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 response = ResponseUtil.ok(data, "学生成绩修改成功") return JsonResponse(response)