Merge pull request #1 from wenhaogege66/new_branch

New branch（complete the backend interfaces part 3）

backend/bank_site/bank_app/admin.py

@@ -1,3 +1,4 @@
 from django.contrib import admin
+# from models import employee,sys_manage,cashier,account,withdrawal_record,transfer_record
 
 # Register your models here.

backend/bank_site/bank_app/migrations/0001_initial.py

@@ -115,7 +115,9 @@ class Migration(migrations.Migration):
  (
  "identity_card",
  models.ForeignKey(
- on_delete=django.db.models.deletion.PROTECT,
+ on_delete=django.db.models.deletion.SET_NULL,
+ to_field="identity_card",
+ db_column="identity_card",
  to="bank_app.online_user",
  ),
  ),

backend/bank_site/bank_app/models.py

@@ -3,7 +3,6 @@
 # Create your models here.
 
 
-
 class employee(models.Model):
  employee_id = models.AutoField(primary_key = True)
  employee_name = models.CharField(max_length = 20, null = False, default = "Unknown")
@@ -32,10 +31,11 @@ class cashier(models.Model):
 
 
 class online_user(models.Model):
+ objects = models.Manager()
  user_id = models.AutoField(primary_key = True,default = 1)
  user_name = models.CharField(max_length = 20, null = False, default = "Unknown")
  password = models.CharField(max_length=20, null=False,default = "666666")
- identity_card = models.CharField(max_length = 18, null = False)
+ identity_card = models.CharField(max_length = 18, null = False,unique=True)
  phone_num = models.CharField(max_length=20, null=False,default = "10086")
  is_frozen = models.BooleanField(null=False, default=False)
  is_lost = models.BooleanField(null=False, default=False)
@@ -44,9 +44,10 @@ class online_user(models.Model):
 
 # 账户表
 class account(models.Model):
+ objects = models.Manager()
  account_id = models.AutoField(primary_key=True)
  password = models.CharField(max_length=20, null=False)
- identity_card = models.ForeignKey(online_user, on_delete=models.PROTECT)
+ identity_card = models.ForeignKey(online_user, on_delete=models.PROTECT,to_field='identity_card',db_column='identity_card')
  card_type = models.IntegerField(null=False)
  balance = models.FloatField(null=False, default=0.0)
  current_deposit = models.FloatField(null=False, default=0.0)

backend/bank_site/bank_app/user_urls.py

@@ -1,12 +1,15 @@
 # 自己建的
 from django.urls import path
 
-from bank_app import user_views
+from . import user_views
 
 urlpatterns = [
  path('sign_up/', user_views.user_add),
  path('sign_in/', user_views.user_log_in),
  path('change_password/', user_views.user_change_password),
+ path('list_cards/', user_views.list_cards),
+ path('bind_card', user_views.bind_card),
+ path('card_lost/', user_views.card_lost),
  path('queryAccount/', user_views.online_bank_query_accounts),
 ]
 

backend/bank_site/bank_app/user_views.py

@@ -10,6 +10,72 @@
 from django.core import serializers
 
 
+def list_cards(request):
+ # user_id -> List[Card]
+ if request.method == 'GET':
+ filter_users = online_user.objects.filter(user_id=request.GET.get('user_id'))
+ if filter_users.exists():
+ filter_user = filter_users[0]
+ else:
+ return JsonResponse({"error": "User not found"}, status=404)
+ user_idcard = filter_user.identity_card
+ print(f'用户的身份证号码为：{user_idcard}')
+ filter_cards = account.objects.filter(identity_card=user_idcard)
+ results = [{
+ "account_id": card.account_id,
+ "card_type": card.card_type,
+ "balance": card.balance,
+ "is_frozen": card.is_frozen,
+ "is_lost": card.is_lost
+ } for card in filter_cards]
+ return JsonResponse(results, safe=False)
+ else:
+ return JsonResponse({"error": "Method not allowed"}, status=405)
+
+
+@csrf_exempt
+def bind_card(request):
+ if request.method == 'POST':
+ data = json.loads(request.body.decode('utf-8'))
+ print(f'获取到的post数据为：{data}')
+ filter_accounts = account.objects.filter(account_id=data.get('account_id'))
+ if filter_accounts.exists():
+ if filter_accounts[0].password == data.get('password') and filter_accounts[0].identity_card.identity_card == data.get('identity_card'):
+ if filter_accounts[0].is_lost:
+ return JsonResponse({"error": "The card has been lost", 'state': False}, status=200)
+ filter_accounts.update(identity_card=data.get('identity_card'))
+ return_data = {'state': True}
+ return JsonResponse(return_data, status=200)
+ else:
+ return JsonResponse({"error": "Password is Wrong", 'state': False}, status=200)
+ elif request.method == 'OPTION':
+ return JsonResponse({"success": "OPTION operation"}, status=200)
+ else:
+ return JsonResponse({"error": "Method not allowed", 'state': True}, status=405)
+
+
+@csrf_exempt
+def card_lost(request):
+ if request.method == 'POST':
+ data = json.loads(request.body.decode('utf-8'))
+ filter_accounts = account.objects.filter(account_id=data.get('account_id'))
+ # print(f'获取到的post数据为：{data}')
+ # print(f'获取到的filter_accounts数据为：{filter_accounts[0].password}{filter_accounts[0].identity_card.identity_card}')
+ if filter_accounts.exists():
+ if filter_accounts[0].password == data.get('password') and filter_accounts[0].identity_card.identity_card == data.get('identity_card'):
+ if filter_accounts[0].is_lost:
+ return JsonResponse({"error": "The card has been lost", 'state': False}, status=200)
+ filter_accounts.update(is_lost=True)
+ return_data = {'state': True}
+ return JsonResponse(return_data, status=200)
+ else:
+ return JsonResponse({"error": "Password is Wrong", 'state': False}, status=200)
+ elif request.method == 'OPTION':
+ return JsonResponse({"success": "OPTION operation"}, status=200)
+ else:
+ return JsonResponse({"error": "Method not allowed", 'state': True}, status=405)
+
+
 def online_bank_query_accounts(request):
  if request.method == 'GET':
  filter_accounts = account.objects.filter(account_id=request.GET.get('accountID'))[0]

backend/bank_site/bank_site/settings.py

@@ -77,13 +77,13 @@
 # https://docs.djangoproject.com/en/5.0/ref/settings/#databases
 
 DATABASES = {
- 'default': {
- 'ENGINE': 'django.db.backends.mysql',
- 'NAME': 'fse_db',
+ "default": {
+ "ENGINE": "django.db.backends.mysql",
+ "NAME": 'online_bank',
+ 'HOST': '127.0.0.1',
+ 'PORT': 3306,
  'USER': 'root',
- 'PASSWORD': 'zhpy050109mysql',
- 'HOST': 'localhost',
- 'PORT': '3306',
+ 'PASSWORD': '031716cqp0222'
  }
 }