支付宝支付
# 1、在沙箱环境下实名认证:https://openhome.alipay.com/platform/appDaily.htm?tab=info
# 2、电脑网站支付API:https://docs.open.alipay.com/270/105898/
# 3、完成RSA密钥生成:https://docs.open.alipay.com/291/105971
# 4、在开发中心的沙箱应用下设置应用公钥:填入生成的公钥文件中的内容
# 5、Python支付宝开源框架:https://github.com/fzlee/alipay
# >: pip install python-alipay-sdk --upgrade
# 7、公钥私钥设置
"""
# alipay_public_key.pem
-----BEGIN PUBLIC KEY-----
支付宝公钥
-----END PUBLIC KEY-----
# app_private_key.pem
-----BEGIN RSA PRIVATE KEY-----
用户私钥
-----END RSA PRIVATE KEY-----
"""
# 8、支付宝链接
"""
开发:https://openapi.alipay.com/gateway.do
沙箱:https://openapi.alipaydev.com/gateway.do
"""
aliapy二次封装包
依赖
>: pip install python-alipay-sdk --upgrade
结构
libs
├── iPay # aliapy二次封装包
│ ├── __init__.py # 包文件
│ ├── keys # 密钥文件夹
│ │ ├── alipay_public_key.pem # 支付宝公钥
│ │ └── app_private_key.pem # 应用私钥
└── └── settings.py # 应用配置
setting.py
import os
# 支付宝应用id
APP_ID = '2016093000631831'
# 默认异步回调的地址,通常设置None就行
APP_NOTIFY_URL = None
# 应用私钥文件路径
APP_PRIVATE_KEY_PATH = os.path.join(os.path.dirname(__file__), 'keys', 'app_private_key.pem')
# 支付宝公钥文件路径
ALIPAY_PUBLIC_KEY_PATH = os.path.join(os.path.dirname(__file__), 'keys', 'alipay_public_key.pem')
# 签名方式
SIGN_TYPE = 'RSA2'
# 是否是测试环境
DEBUG = True
_init_.py
from alipay import AliPay
from .settings import *
# 对外提供
from .settings import RETURN_URL, NOTIFY_URL
# 对外提供支付对象
alipay = AliPay(
appid=APP_ID,
app_notify_url=APP_NOTIFY_URL,
app_private_key_path=APP_PRIVATE_KEY_PATH,
alipay_public_key_path=ALIPAY_PUBLIC_KEY_PATH,
sign_type=SIGN_TYPE,
debug=DEBUG
)
alipay_public_key.pem
-----BEGIN PUBLIC KEY-----
支付宝公钥
-----END PUBLIC KEY-----
app_private_key.pem
-----BEGIN RSA PRIVATE KEY-----
应用私钥
-----END RSA PRIVATE KEY-----
补充:dev.py
# 上线后必须换成官网地址
# 同步回调的接口(get),前后台分离时一般设置前台页面url
RETURN_URL = 'http://127.0.0.1:8080/pay/success'
# 异步回调的接口(post),一定设置为后台服务器接口
NOTIFY_URL = 'http://127.0.0.1:8000/order/success/'
支付模块
order/models.py
"""
订单:订单号、流水号、价格、用户
订单详情(自定义关系表):订单、课程
"""
from django.db import models
from utils.model import BaseModel
from user.models import User
from course.models import Course
class Order(BaseModel):
"""订单模型"""
status_choices = (
(0, '未支付'),
(1, '已支付'),
(2, '已取消'),
(3, '超时取消'),
)
pay_choices = (
(1, '支付宝'),
(2, '微信支付'),
)
subject = models.CharField(max_length=150, verbose_name="订单标题")
total_amount = models.DecimalField(max_digits=10, decimal_places=2, verbose_name="订单总价", default=0)
out_trade_no = models.CharField(max_length=64, verbose_name="订单号", unique=True)
trade_no = models.CharField(max_length=64, null=True, verbose_name="流水号")
order_status = models.SmallIntegerField(choices=status_choices, default=0, verbose_name="订单状态")
pay_type = models.SmallIntegerField(choices=pay_choices, default=1, verbose_name="支付方式")
pay_time = models.DateTimeField(null=True, verbose_name="支付时间")
user = models.ForeignKey(User, related_name='user_orders', on_delete=models.DO_NOTHING, db_constraint=False,
verbose_name="下单用户")
# 多余字段
orders = models.IntegerField(verbose_name='显示顺序', default=0)
class Meta:
db_table = "luffy_order"
verbose_name = "订单记录"
verbose_name_plural = "订单记录"
def __str__(self):
return "%s - ¥%s" % (self.subject, self.total_amount)
@property
def courses(self):
data_list = []
for item in self.order_courses.all():
data_list.append({
"id": item.id,
"course_name": item.course.name,
"real_price": item.real_price,
})
return data_list
class OrderDetail(BaseModel):
"""订单详情"""
order = models.ForeignKey(Order, related_name='order_courses', on_delete=models.CASCADE, db_constraint=False,
verbose_name="订单")
course = models.ForeignKey(Course, related_name='course_orders', on_delete=models.CASCADE, db_constraint=False,
verbose_name="课程")
price = models.DecimalField(max_digits=6, decimal_places=2, verbose_name="课程原价")
real_price = models.DecimalField(max_digits=6, decimal_places=2, verbose_name="课程实价")
class Meta:
db_table = "luffy_order_detail"
verbose_name = "订单详情"
verbose_name_plural = "订单详情"
def __str__(self):
return "%s订单(%s)" % (self.course.name, self.order.order_number)
支付接口生成支付链接
import time
from rest_framework.views import APIView
from utils.response import APIResponse
from libs.iPay import alipay
from . import authentications, serializers
from rest_framework.permissions import IsAuthenticated
from django.conf import settings
# 获取前台 商品名、价格,产生 订单、支付链接
class PayAPIView(APIView):
authentication_classes = [authentications.JWTAuthentication]
permission_classes = [IsAuthenticated]
def post(self, request, *args, **kwargs):
# 前台提供:商品名、总价、支付方式
request_data = request.data
# 后台产生:订单号、用户
out_trade_no = '%d' % time.time() * 2
request_data['out_trade_no'] = out_trade_no
request_data['user'] = request.user.id
# 反序列化数据,用于订单生成前的校验
order_ser = serializers.OrderModelSerializer(data=request_data)
if order_ser.is_valid():
# 生成订单,订单默认状态为:未支付
order = order_ser.save()
# 支付链接的参数
order_string = alipay.api_alipay_trade_page_pay(
subject=order.subject,
out_trade_no=order.out_trade_no,
total_amount='%.2f' % order.total_amount,
return_url=settings.RETURN_URL,
notify_url=settings.NOTIFY_URL
)
# 形成支付链接:alipay._gateway根据字符环境DEBUG配置信息,决定是沙箱还是真实支付环境
pay_url = '%s?%s' % (alipay._gateway, order_string)
return APIResponse(0, 'ok', pay_url=pay_url)
return APIResponse(1, 'no ok', results=order_ser.errors)
前台回调接口的页面
<template>
<div class="pay-success">
<Header/>
<div class="main">
<div class="title">
<div class="success-tips">
<p class="tips">您已成功购买 1 门课程!</p>
</div>
</div>
<div class="order-info">
<p class="info"><b>订单号:</b><span>{{ result.out_trade_no }}</span></p>
<p class="info"><b>交易号:</b><span>{{ result.trade_no }}</span></p>
<p class="info"><b>付款时间:</b><span><span>{{ result.timestamp }}</span></span></p>
</div>
<div class="study">
<span>立即学习</span>
</div>
</div>
<Footer/>
</div>
</template>
<script>
import Header from "@/components/Header"
import Footer from "@/components/Footer"
export default {
name: "Success",
data() {
return {
result: {},
};
},
created() {
// 判断登录状态
let token = this.$cookies.get('token');
if (!token) {
this.$message.error('非法请求');
this.$router.go(-1)
}
localStorage.this_nav = '/';
if (!location.search.length) return;
let params = location.search.substring(1);
let items = params.length ? params.split('&') : [];
//逐个将每一项添加到args对象中
for (let i = 0; i < items.length; i++) {
let k_v = items[i].split('=');
//解码操作,因为查询字符串经过编码的
let k = decodeURIComponent(k_v[0]);
let v = decodeURIComponent(k_v[1]);
this.result[k] = v;
// this.result[k_v[0]] = k_v[1];
}
// console.log(this.result);
// 把地址栏上面的支付结果,转发给后端
this.$axios({
url: this.$settings.base_url + '/order/success/' + location.search,
method: 'patch',
headers: {
Authorization: token
}
}).then(response => {
console.log(response.data);
}).catch(() => {
console.log('支付结果同步失败');
})
},
components: {
Header,
Footer,
}
}
</script>
<style scoped>
.main {
padding: 60px 0;
margin: 0 auto;
width: 1200px;
background: #fff;
}
.main .title {
display: flex;
-ms-flex-align: center;
align-items: center;
padding: 25px 40px;
border-bottom: 1px solid #f2f2f2;
}
.main .title .success-tips {
box-sizing: border-box;
}
.title img {
vertical-align: middle;
width: 60px;
height: 60px;
margin-right: 40px;
}
.title .success-tips {
box-sizing: border-box;
}
.title .tips {
font-size: 26px;
color: #000;
}
.info span {
color: #ec6730;
}
.order-info {
padding: 25px 48px;
padding-bottom: 15px;
border-bottom: 1px solid #f2f2f2;
}
.order-info p {
display: -ms-flexbox;
display: flex;
margin-bottom: 10px;
font-size: 16px;
}
.order-info p b {
font-weight: 400;
color: #9d9d9d;
white-space: nowrap;
}
.study {
padding: 25px 40px;
}
.study span {
display: block;
width: 140px;
height: 42px;
text-align: center;
line-height: 42px;
cursor: pointer;
background: #ffc210;
border-radius: 6px;
font-size: 16px;
color: #fff;
}
</style>
支付完成订单校验的接口
from . import models
from utils.logging import logger
from rest_framework.response import Response
class SuccessAPIView(APIView):
# 不能认证,别人支付宝异步回调就进不来了
# authentication_classes = [authentications.JWTAuthentication]
# permission_classes = [IsAuthenticated]
def patch(self, request, *args, **kwargs):
# 默认是QueryDict类型,不能使用pop方法
request_data = request.query_params.dict()
# 必须将 sign、sign_type(内部有安全处理) 从数据中取出,拿sign与剩下的数据进行校验
sign = request_data.pop('sign')
result = alipay.verify(request_data, sign)
if result: # 同步回调:修改订单状态
try:
out_trade_no = request_data.get('out_trade_no')
order = models.Order.objects.get(out_trade_no=out_trade_no)
if order.order_status != 1:
order.order_status = 1
order.save()
except:
pass
return APIResponse(0, '支付成功')
return APIResponse(1, '支付失败')
# 支付宝异步回调
def post(self, request, *args, **kwargs):
# 默认是QueryDict类型,不能使用pop方法
request_data = request.data.dict()
# 必须将 sign、sign_type(内部有安全处理) 从数据中取出,拿sign与剩下的数据进行校验
sign = request_data.pop('sign')
result = alipay.verify(request_data, sign)
# 异步回调:修改订单状态
if result and request_data["trade_status"] in ("TRADE_SUCCESS", "TRADE_FINISHED" ):
out_trade_no = request_data.get('out_trade_no')
logger.critical('%s支付成功' % out_trade_no)
try:
order = models.Order.objects.get(out_trade_no=out_trade_no)
if order.order_status != 1:
order.order_status = 1
order.save()
except:
pass
# 支付宝八次异步通知,订单成功一定要返回 success
return Response('success')
return Response('failed')