update student view

EduSystemServer/Student/urls.py

@@ -4,5 +4,4 @@ from Student.views import *
 
 urlpatterns = [
     path("", studnets),
-    path("delete", delete_student)
 ]

EduSystemServer/Student/views.py

@@ -4,14 +4,8 @@ from django.shortcuts import render
 from django.http import JsonResponse
 from Student.models import Student
 from django.views.decorators.csrf import csrf_exempt
-from django.http import QueryDict
-
-
-def delete_student(request):
-    sid = request.GET.get("sid")
-    info = Student.objects.filter(sid=sid).delete()
-    response = {"code": 200, "message": "删除成功！", "data": info}
-    return JsonResponse(response)
+from io import BytesIO
+from django.http.multipartparser import MultiPartParser
 
 
 @csrf_exempt
@@ -20,18 +14,76 @@ def studnets(request):
         student = Student()
         student.s_username = request.POST.get("s_username")
         student.s_password = request.POST.get("s_password")
-        student.s_name = request.POST.get("s_name")
-        student.s_sex = request.POST.get("s_sex")
-        student.s_grade = request.POST.get("s_grade")
-        student.s_class_name = request.POST.get("s_class_name")
-        student.s_major = request.POST.get("s_major")
+        student.s_name = request.POST.get("s_name") or ''
+        student.s_sex = request.POST.get("s_sex") or ''
+        student.s_grade = request.POST.get("s_grade") or ''
+        student.s_class_name = request.POST.get("s_class_name") or ''
+        student.s_major = request.POST.get("s_major") or ''
         student.save()
         response = {"code": 200, "message": "添加成功！", "data": student.to_dict()}
         return JsonResponse(response)
     elif request.method == "GET":
-        student_list = Student.objects.all()
-        response_json = {"code": 200, "message": "success", "data": []}
-        for student in student_list:
-            response_json["data"].append(student.to_dict())
-        return JsonResponse(response_json)
+        sid = request.GET.get('sid')
+        s_name = request.GET.get('s_name')
+        s_sex = request.GET.get('s_sex')
+        s_grade = request.GET.get('s_grade')
+        s_class_name = request.GET.get('s_class_name')
+        s_major = request.GET.get('s_major')
+        data = []
+        if sid:
+            filtered = Student.objects.filter(sid=sid)
+            for student in filtered:
+                data.append(student.to_dict())
+        elif s_name:
+            filtered = Student.objects.filter(s_name=s_name)
+            for student in filtered:
+                data.append(student.to_dict())
+        elif s_sex:
+            filtered = Student.objects.filter(s_sex=s_sex)
+            for student in filtered:
+                data.append(student.to_dict())
+        elif s_grade:
+            filtered = Student.objects.filter(s_grade=s_grade)
+            for student in filtered:
+                data.append(student.to_dict())
+        elif s_class_name:
+            filtered = Student.objects.filter(s_class_name=s_class_name)
+            for student in filtered:
+                data.append(student.to_dict())
+        elif s_major:
+            filtered = Student.objects.filter(s_major=s_major)
+            for student in filtered:
+                data.append(student.to_dict())
+        else:
+            all_objects = Student.objects.all()
+            for studnet in all_objects:
+                data.append(studnet.to_dict())
+        return JsonResponse({'code': 200, 'msg': 'success', 'data': data}, safe=False)
+    elif request.method == "DELETE":
+        parser = MultiPartParser(request.META, BytesIO(request.body), request.upload_handlers, request.encoding)
+        post_dict = parser.parse()
+        sid = post_dict[0]['sid']
+        try:
+            info = Student.objects.filter(sid=sid).get().to_dict()
+            Student.objects.filter(sid=sid).delete()
+            response = {"code": 200, "message": "删除成功！", "data": info}
+            return JsonResponse(response)
+        except:
+            response = {"code": 200, "message": "删除失败，未找到学生信息！"}
+            return JsonResponse(response)
+    elif request.method == "PUT":
+        put = MultiPartParser(request.META, request, request.upload_handlers, request.encoding).parse()
+        sid = put[0]['sid']
+        s_name = put[0]['s_name']
+        s_sex = put[0]['s_sex']
+        s_grade = put[0]['s_grade']
+        s_class_name = put[0]['s_class_name']
+        s_major = put[0]['s_major']
+        Student.objects.filter(sid=sid).update(s_name=s_name)
+        Student.objects.filter(sid=sid).update(s_sex=s_sex)
+        Student.objects.filter(sid=sid).update(s_grade=s_grade)
+        Student.objects.filter(sid=sid).update(s_class_name=s_class_name)
+        Student.objects.filter(sid=sid).update(s_major=s_major)
+        data = Student.objects.filter(sid=sid)[0].to_dict()
+        return JsonResponse({'code': 200, 'msg': 'success', 'data': data}, safe=False)