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要支持用戶修改和刪除支付信息,可以在Django中創建相應的視圖和表單來處理這些操作。首先,需要創建一個模型來存儲用戶的支付信息,例如:
from django.db import models
from django.contrib.auth.models import User
class PaymentInfo(models.Model):
user = models.ForeignKey(User, on_delete=models.CASCADE)
card_number = models.CharField(max_length=16)
expiration_date = models.DateField()
cvv = models.CharField(max_length=3)
然后可以創建一個視圖來顯示用戶的支付信息并允許他們修改或刪除。例如,可以創建一個視圖函數來顯示用戶的支付信息列表:
from django.shortcuts import render
from .models import PaymentInfo
def payment_info_list(request):
payment_info = PaymentInfo.objects.filter(user=request.user)
return render(request, 'payment_info_list.html', {'payment_info': payment_info})
然后在模板文件payment_info_list.html
中顯示用戶的支付信息,并提供修改和刪除選項。用戶可以點擊相應的按鈕來編輯或刪除他們的支付信息。
要支持用戶修改支付信息,可以創建一個表單來接收用戶的新信息并在視圖中處理表單提交。例如,可以創建一個表單類來表示支付信息的表單:
from django import forms
from .models import PaymentInfo
class PaymentInfoForm(forms.ModelForm):
class Meta:
model = PaymentInfo
fields = ['card_number', 'expiration_date', 'cvv']
然后可以創建一個視圖函數來處理表單提交并更新支付信息:
from django.shortcuts import render, redirect
from .models import PaymentInfo
from .forms import PaymentInfoForm
def edit_payment_info(request, payment_info_id):
payment_info = PaymentInfo.objects.get(id=payment_info_id)
if request.method == 'POST':
form = PaymentInfoForm(request.POST, instance=payment_info)
if form.is_valid():
form.save()
return redirect('payment_info_list')
else:
form = PaymentInfoForm(instance=payment_info)
return render(request, 'edit_payment_info.html', {'form': form})
類似地,可以創建一個視圖函數來處理用戶刪除支付信息的操作:
from django.shortcuts import redirect
from .models import PaymentInfo
def delete_payment_info(request, payment_info_id):
payment_info = PaymentInfo.objects.get(id=payment_info_id)
payment_info.delete()
return redirect('payment_info_list')
通過這些方法,可以在Django中支持用戶修改和刪除支付信息。
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