创建订单并生成支付链接接口
1.
1.1 goods/urls.py中注册路由
urlpatterns = [ path('getpayurl/', views.PayUrlView.as_view()), # /goods/getpayurl/ ]
from rest_framework.views import APIView from rest_framework.permissions import AllowAny, IsAuthenticated from rest_framework.response import Response from .models import Goods,Orders,GoodsCourse from goods.utils import get_order_id, get_pay_url, alipay from decimal import Decimal class PayUrlView(APIView): permission_classes = (IsAuthenticated,) def post(self, request): # 1. 获取课程id,获取购买途径(普通购买, 促销购买) 获取用户 goods_id = request.data.get('goods_id') goods = Goods.objects.get(id=goods_id) user = request.user # 2. 下定单 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 = Orders(user=user, goods=goods, order_id=order_id, pay_method=1, status=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}})
# -*- coding: utf-8 -*- import datetime import os import random from alipay import AliPay from syl import settings # 获取文件路径 app_private_key_path = os.path.join(settings.BASE_DIR,"apps/goods/keys/app_private_key.pem") alipay_public_key_path = os.path.join(settings.BASE_DIR,"apps/goods/keys/alipay_public_key.pem") with open(app_private_key_path) as f: app_private_key_string = f.read() with open(alipay_public_key_path) as f: alipay_public_key_string = f.read() # 创建支付宝支付对象 alipay = AliPay( appid=settings.ALIPAY_APPID, app_notify_url=None, # 默认回调url app_private_key_string=app_private_key_string, alipay_public_key_string=alipay_public_key_string, # app_private_key_path=app_private_key_path, # alipay_public_key_path=alipay_public_key_path, sign_type="RSA2", debug=settings.ALIPAY_DEBUG ) def get_pay_url(out_trade_no, total_amount, subject): # 生成登录支付宝连接 order_string = alipay.api_alipay_trade_page_pay( out_trade_no=out_trade_no, total_amount=str(total_amount), subject=subject, return_url=settings.ALIPAY_RETURN_URL, ) # 响应登录支付宝连接 # 真实环境电脑网站支付网关:https://openapi.alipay.com/gateway.do? + order_string # 沙箱环境电脑网站支付网关:https://openapi.alipaydev.com/gateway.do? + order_string alipay_url = settings.ALIPAY_URL + "?" + order_string return alipay_url def get_order_id(): """ SYL202008241212121200005/24 生成订单号: 格式: SYL + 年月日时分秒 + 5位随机数 :return: """ d = datetime.datetime.now() base = 'SYL' time_str = '%04d%02d%02d%02d%02d%02d' % (d.year, d.month, d.day, d.hour, d.minute, d.second) rand_num = str(random.randint(10000, 99999)) return base + time_str + rand_num
# 支付宝配置 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
请求地址
http://192.168.56.100:8888/goods/getpayurl/
携带参数
{ "goods_id":1 }
返回数据
{
"code":0,
"msg":"下单成功",
"data":{
"pay_url":"https://openapi.alipaydev.com/gateway.do? app_id=2016101800716047&biz_content=
%7B%22subject%22%3A%22%5Cu5b9e%5Cu9a8c%5Cu697 c%5Cu8ba2%5Cu5355%3ASYL2020101216322149584%2C+%5Cu4ef7%5Cu683c%3A99.00%22%2C%22ou
t_trade_no%22%3A%22SYL2020101216322149584%22%2C%22total_amount%22%3A%2299.00%22%2 C%22product_code%22%3A%22FAST_INSTANT_TRADE_
PAY%22%7D&charset=utf- 8&method=alipay.trade.page.pay&return_url=http%3A%2F%2F127.0.0.1%3A8888%2Fpayment %2Fcallback%2F&sign_
type=RSA2×tamp=2020-10- 12+16%3A32%3A21&version=1.0&sign=qIM7yrjYgvqOn2DCYK4rBgtwqDnZ%2BTwf89axXQPMzk67FO OHH18YtnoROi4ml5i5w%2Fd%
2FtD2RsYyxU5Jeatxw9Skz%2B9HQCAYfmQriYDo5fz2hOrC6Ydx92z5%2 BB5o%2BUIh29EAE8JS5MhUOOO8T3r9NtzmQTOs0kSWpnaXjX4S7l9Z83li76MG83H18jBodpWofgzcTTD
dPsBnaHmeeJjGg9LKgSDS37ZKP9GE79asVn8S9w49qVmTPzZGdKIZxyLf2K44EllnGxhlDLFRlGLYJOlE %2Bxo1hr3IKH40WoYh3fkmv2%2FEDnl0OtNXHt5HRUH4uZ2k38BNf1ebrODR
qWRg1eQ%3D%3D"
}
}