AliPay

AliPay

一、使用详情:

第1步:访问沙箱环境地址,注册一个商家账户点击

    • 密钥生成方式1(推荐):生成RSA密钥
    • 密钥生成方式2:OpenSSL工具生成密钥
    • 按照上面方式生成商户的公钥和私钥,把公钥放入网站私钥自己留着签名用,设置应用公钥后

    • 下面是商户信息以及卖家信息下载一个支付宝的沙箱环境

  • 然后按照下面的账号和密码登录和支付,只支持安卓

第2步:阅读文档 找到一个适合自己的API 点击

  • 这里选择:统一收单下单并支付页面接口 点击
  • 仔细阅读文档按照文档的参数要求去向接口发请求

第3步:代码实例

  • 回调url的测试要放在公网IP上,所以测试的时候放入自己服务器 pip install alipay-sdk-python
  • alipay-sdk-python
from django.conf.urls import url
from django.contrib import admin
from app01.views import AliPayView, PayHandlerView

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^pay$', AliPayView.as_view()),
    url(r'^alipay_handler', PayHandlerView.as_view()),
]
urls.py
from django.shortcuts import render, redirect
from django.http import HttpResponse
from rest_framework.views import APIView
from rest_framework.response import Response
from alipay.aop.api.DefaultAlipayClient import DefaultAlipayClient
from alipay.aop.api.AlipayClientConfig import AlipayClientConfig
from alipay.aop.api.domain.AlipayTradePrecreateModel import AlipayTradePrecreateModel
from alipay.aop.api.request. AlipayTradePrecreateRequest import AlipayTradePrecreateRequest
from alipay.aop.api.domain.AlipayTradePagePayModel import AlipayTradePagePayModel
from alipay.aop.api.request.AlipayTradePagePayRequest import AlipayTradePagePayRequest
import time

# Create your views here.
# 沙箱环境地址:https://openhome.alipay.com/platform/appDaily.htm?tab=info

# "https://openapi.alipaydev.com/gateway.do", APP_ID, APP_PRIVATE_KEY, "json", CHARSET, ALIPAY_PUBLIC_KEY, "RSA2"


def ali_pay():
    # 为阿里支付实例化一个配置信息对象
    alipay_config = AlipayClientConfig(sandbox_debug=True)
    # 初始化各种配置信息
    # 阿里提供服务的接口
    alipay_config.server_url = "https://openapi.alipaydev.com/gateway.do"
    # 申请的沙箱环境的app_id
    alipay_config.app_id = "2016091800540924"
    # 商户的私钥
    with open("keys/app_private_key.txt") as f:
        alipay_config.app_private_key = f.read()
    # 阿里的公钥
    with open("keys/alipay_public_key.txt") as f:
        alipay_config.alipay_public_key = f.read()
    # 实例化一个支付对象并返回
    alipay_client = DefaultAlipayClient(alipay_client_config=alipay_config)
    return alipay_client


class AliPayView(APIView):
    def get(self, request):
        return render(request, "pay.html")

    # 生成支付宝自带页面的API
    def post(self, request):
        # 得到阿里支付的实例化对象
        client = ali_pay()
        # 为API生成一个模板对象 初始化参数用的
        model = AlipayTradePagePayModel()
        # 订单号
        model.out_trade_no = "pay" + str(time.time())
        # 金额
        model.total_amount = 8888
        # 商品标题
        model.subject = "测试"
        # 商品详细内容
        model.body = "支付宝测试"
        # 销售产品码,与支付宝签约的产品码名称
        model.product_code = "FAST_INSTANT_TRADE_PAY"
        # 实例化一个请求对象
        request = AlipayTradePagePayRequest(biz_model=model)
        # get请求 用户支付成功后返回的页面请求地址
        request.return_url = "http://140.143.63.45:8000/alipay_handler"
        # post请求 用户支付成功通知商户的请求地址
        request.notify_url = "http://140.143.63.45:8000/alipay_handler"
        # 利用阿里支付对象发一个获得页面的请求 参数是request
        response = client.page_execute(request, http_method="GET")
        return redirect(response)


class PayHandlerView(APIView):

    def get(self, request):
        # return_url的回调地址
        print(request.data)
        # 用户支付成功之后回到哪
        return HttpResponse("return_url测试")

    def post(self, request):
        print(request.data)
        # 用户支付成功 在这里修改订单状态以及优惠券贝里等等情况
        return HttpResponse("notify_url")
app01中views.py
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Title</title>
{#    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>#}


</head>
<body>
<form method="POST">
        {% csrf_token %}
    <input type="text" name="money">
    <input type="submit" value="去支付" />
</form>

</body>
</html>
templates中pay.html

二、旧版

安装 `pycrypto` 模块之后 报如下错误
from datetime import datetime
from Crypto.PublicKey import RSA
from Crypto.Signature import PKCS1_v1_5
from Crypto.Hash import SHA256
from urllib.parse import quote_plus
from urllib.parse import urlparse, parse_qs
from base64 import decodebytes, encodebytes
import json


class AliPay(object):
    """
    支付宝支付接口(PC端支付接口)
    """

    def __init__(self, appid, app_notify_url, app_private_key_path,
                 alipay_public_key_path, return_url, debug=False):
        self.appid = appid
        self.app_notify_url = app_notify_url
        self.app_private_key_path = app_private_key_path
        self.app_private_key = None
        self.return_url = return_url
        with open(self.app_private_key_path) as fp:
            self.app_private_key = RSA.importKey(fp.read())
        self.alipay_public_key_path = alipay_public_key_path
        with open(self.alipay_public_key_path) as fp:
            self.alipay_public_key = RSA.importKey(fp.read())

        if debug is True:
            self.__gateway = "https://openapi.alipaydev.com/gateway.do"
        else:
            self.__gateway = "https://openapi.alipay.com/gateway.do"

    def direct_pay(self, subject, out_trade_no, total_amount, return_url=None, **kwargs):
        biz_content = {
            "subject": subject,
            "out_trade_no": out_trade_no,
            "total_amount": total_amount,
            "product_code": "FAST_INSTANT_TRADE_PAY",
            # "qr_pay_mode":4
        }

        biz_content.update(kwargs)
        data = self.build_body("alipay.trade.page.pay", biz_content, self.return_url)
        return self.sign_data(data)

    def build_body(self, method, biz_content, return_url=None):
        data = {
            "app_id": self.appid,
            "method": method,
            "charset": "utf-8",
            "sign_type": "RSA2",
            "timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
            "version": "1.0",
            "biz_content": biz_content
        }

        if return_url is not None:
            data["notify_url"] = self.app_notify_url
            data["return_url"] = self.return_url

        return data

    def sign_data(self, data):
        data.pop("sign", None)
        # 排序后的字符串
        unsigned_items = self.ordered_data(data)
        unsigned_string = "&".join("{0}={1}".format(k, v) for k, v in unsigned_items)
        sign = self.sign(unsigned_string.encode("utf-8"))
        # ordered_items = self.ordered_data(data)
        quoted_string = "&".join("{0}={1}".format(k, quote_plus(v)) for k, v in unsigned_items)

        # 获得最终的订单信息字符串
        signed_string = quoted_string + "&sign=" + quote_plus(sign)
        return signed_string

    def ordered_data(self, data):
        complex_keys = []
        for key, value in data.items():
            if isinstance(value, dict):
                complex_keys.append(key)

        # 将字典类型的数据dump出来
        for key in complex_keys:
            data[key] = json.dumps(data[key], separators=(',', ':'))

        return sorted([(k, v) for k, v in data.items()])

    def sign(self, unsigned_string):
        # 开始计算签名
        key = self.app_private_key
        signer = PKCS1_v1_5.new(key)
        signature = signer.sign(SHA256.new(unsigned_string))
        # base64 编码,转换为unicode表示并移除回车
        sign = encodebytes(signature).decode("utf8").replace("\n", "")
        return sign

    def _verify(self, raw_content, signature):
        # 开始计算签名
        key = self.alipay_public_key
        signer = PKCS1_v1_5.new(key)
        digest = SHA256.new()
        digest.update(raw_content.encode("utf8"))
        if signer.verify(digest, decodebytes(signature.encode("utf8"))):
            return True
        return False

    def verify(self, data, signature):
        if "sign_type" in data:
            sign_type = data.pop("sign_type")
        # 排序后的字符串
        unsigned_items = self.ordered_data(data)
        message = "&".join(u"{}={}".format(k, v) for k, v in unsigned_items)
        return self._verify(message, signature)
utils/pay.py
from django.shortcuts import render,redirect,HttpResponse
from django.views.decorators.csrf import csrf_exempt
from utils.pay import AliPay
import time
from django.conf import settings


#依赖:pip3 install pycryptodome

def aliPay():
    obj = AliPay(
        appid=settings.APPID,
        app_notify_url=settings.NOTIFY_URL,  # 如果支付成功,支付宝会向这个地址发送POST请求(校验是否支付已经完成)
        return_url=settings.RETURN_URL,  # 如果支付成功,重定向回到你的网站的地址。
        alipay_public_key_path=settings.PUB_KEY_PATH,  # 支付宝公钥
        app_private_key_path=settings.PRI_KEY_PATH,  # 应用私钥
        debug=True,  # 默认False,
    )
    return obj

def index(request):
    if request.method == 'GET':
        return render(request,'index.html')



    alipay = aliPay()

    # 对购买的数据进行加密
    money = float(request.POST.get('price'))
    out_trade_no = "x2" + str(time.time())
    # 1. 在数据库创建一条数据:状态(待支付)

    query_params = alipay.direct_pay(
        subject="刘亦菲",  # 商品简单描述
        out_trade_no= out_trade_no,  # 商户订单号
        total_amount=money,  # 交易金额(单位: 元 保留俩位小数)
    )

    pay_url = "https://openapi.alipaydev.com/gateway.do?{}".format(query_params)

    return redirect(pay_url)


def pay_result(request):
    """
    支付完成后,跳转回的地址
    :param request:
    :return:
    """
    params = request.GET.dict()
    sign = params.pop('sign', None)

    alipay = aliPay()

    status = alipay.verify(params, sign)

    if status:
        return HttpResponse('支付成功')
    return HttpResponse('支付失败')



@csrf_exempt
def update_order(request):
    """
    支付成功后,支付宝向该地址发送的POST请求(用于修改订单状态)
    :param request:
    :return:
    """
    if request.method == 'POST':
        from urllib.parse import parse_qs

        body_str = request.body.decode('utf-8')
        post_data = parse_qs(body_str)

        post_dict = {}
        for k, v in post_data.items():
            post_dict[k] = v[0]

        alipay = aliPay()

        sign = post_dict.pop('sign', None)
        status = alipay.verify(post_dict, sign)
        if status:
            # 修改订单状态
            out_trade_no = post_dict.get('out_trade_no')
            print(out_trade_no)
            # 2. 根据订单号将数据库中的数据进行更新
            return HttpResponse('支付成功')
        else:
            return HttpResponse('支付失败')
    return HttpResponse('')
views.py
from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^index/', views.index),
    url(r'^pay_result/', views.pay_result),
    url(r'^update_order/', views.update_order),
]
urls.py
ALLOWED_HOSTS = ["*",]
# 支付相关配置
APPID = "2016082500309412"
NOTIFY_URL = "http://1.1.1.1:80/update_order/"
RETURN_URL = "http://1.1.1.1:80/pay_result/"
PRI_KEY_PATH = "keys/app_private_2048.txt"
PUB_KEY_PATH = "keys/alipay_public_2048.txt"
settings.py
原文地址:https://www.cnblogs.com/bubu99/p/10503934.html