支付宝获取支付接口 （回调接口）

 

1.1 syl/setings.py中配置支付相关参数

ALIPAY_APPID = '2016101800716047' # 沙箱环境中alipay应用ID
ALIPAY_DEBUG = True
ALIPAY_URL = 'https://openapi.alipaydev.com/gateway.do' # alipay沙箱环
境支付宝网管
ALIPAY_RETURN_URL = 'http://127.0.0.1:8888/payment/callback/' # 支付完成后支
付宝回调我们应用的地址

1.2 goods/utils.py中生成随机订单函数和生成支付URL函数

# -*- coding: utf-8 -*-
from user.models import *
class EmailAuthBackend:
    def authenticate(self, request, username=None, password=None):
        try:
            user=User.objects.get(username=username)
        except Exception as e:
            user = None
        if not user:
            try:
                user = User.objects.get(email=username)
            except Exception as e:
                user = None
        if user and user.check_password(password):
            return user
        else:
            return None


    def get_user(self, user_id):
        try:
            return User.objects.get(pk=user_id)
        except User.DoesNotExist:
            return None
def jwt_response_payload_handler(token, user=None, request=None, role=None):
    """ 自定义jwt认证成功返回数据 :
    token 返回的jwt :user 当前登录的用户信息[对象] :
    request 当前本次客户端提交过来的数据 :role 角色 """
    # permission_classes = (MyPermission,)
    # # 自定义认证类, 自定义会覆盖全局配置


    # permission_classe=[IsAuthenticated]  # 接口中加权限




    if user.first_name:
        name = user.first_name
    else:
        name = user.username
        return {
            'authenticated': 'true',
            'id': user.id,
            "role": role,
            'name': name,
            'username': user.username,
            'email': user.email,
            'token': token,
        }
#     # 自定义权限类

1.3 goods/views.py 中写视图函数　　

 

from django.shortcuts import render
from rest_framework.views import APIView
from rest_framework.permissions import AllowAny,IsAuthenticated
from rest_framework.response import Response
from .models import Goods,Order,GoodsCourse
from rest_framework import viewsets
from decimal import Decimal
from goods.utils import get_order_id, get_pay_url,alipay
from .serliazer import *
# Create your views here.
class PayUrlView(APIView):
    permission_classes = (IsAuthenticated,)
    def post(self,request):
        goods_id=request.data.get('goods_id')
        print(goods_id)
        goods=Goods.objects.get(id=goods_id)
        user=request.user
        order_id = get_order_id()
        if user.vip.vip_type == '1': # 普通会员
            goods_price = goods.price * Decimal('0.80').quantize(Decimal('0.00'))
        elif user.vip.vip_type == '2': # 高级会员
            goods_price = goods.price * Decimal('0.60').quantize(Decimal('0.00'))
        else: # 普通用户
            goods_price=goods.price
        goods_price = Decimal(goods_price).quantize(Decimal('0.00'))
        order = Order(user=user, goods=goods, order_id=order_id, pay_method=1,total_amount=goods_price)
        order.save()
        print(order.total_amount,type(order.total_amount))
        # 3. 根据订单 生成支付链接
        subject="实验楼订单:%s, 价格:%s" % (order.order_id, order.total_amount)
        pay_url=get_pay_url(order.order_id, order.total_amount, subject)
        # 4. 返回链接
        return Response({"code": 0, "msg": "下单成功", "data": {"pay_url": pay_url}})

　　

class  PeyMentVIew(APIView):
    def  post(self,request):
        data=request.data


        sign=data.pop('sign')


        order=Order.objects.get(order_id=data['out_trade_no'])
        order.trade_no=data['trade_no']
        order.pay_time=data['timestamp']
        order.status = 2
        order.save()




        user=order.user
        course=order.goods.course
        GoodsCourse.objects.create(user=user,course=course)
        return Response({"code":0,"msg":"sussful"})

　　

1.4 goods/urls.py中注册路由

 

urlpatterns = [
path('getpayurl/', views.PayUrlView.as_view()), # /goods/getpayurl/
]