python + django 实现支付宝接入

python-alipay-sdk：
https://github.com/fzlee/alipay/blob/master/README.zh-hans.md#alipay.trade.app.pay
支付宝官方文档：
https://docs.open.alipay.com/59/103927

使用教程
 

# 安装python-alipay-sdk
pip install python-alipay-sdk --upgrade

# 生成密钥
    pass

import os
from alipay import AliPay

from zlh_item import settings


class Pay(object):
    def __init__(self, appid=None, app_notify_url=None, app_private_key_string=None, alipay_public_key_string=None,
                 debug=None, sign_type=None):
      
        self.appid = appid
        self.app_notify_url =  app_notify_url   # 设置回调地址
        self.app_private_key_string = app_private_key_string
        self.alipay_public_key_string =alipay_public_key_string
        self.debug =debug
        self.sign_type = sign_type

    def ini(self):
        '''初始化'''
        alipay = AliPay(
            appid=self.appid,
            app_notify_url=self.app_notify_url,  # 默认回调url
            app_private_key_string=self.app_private_key_string,
            alipay_public_key_string=self.alipay_public_key_string,  # 支付宝的公钥，验证支付宝回传消息使用，不是你自己的公钥,
            sign_type=self.sign_type,  # RSA 或者 RSA2
            debug=self.debug,  # 默认False
        )
        return alipay

    def app_pay(self, out_trade_no, total_amount, subject, notify_url):
        '''app 支付'''
        order_string = self.ini().api_alipay_trade_app_pay(
            out_trade_no=out_trade_no,
            total_amount=total_amount,
            subject=subject,
            notify_url=notify_url  # 可选, 不填则使用默认notify url
        )
        return order_string

    def wap_pay(self, out_trade_no, total_amount, subject, return_url, notify_url):
        '''手机网站支付'''
        # 手机网站支付，需要跳转到https://openapi.alipay.com/gateway.do? + order_string
        order_string = self.ini().api_alipay_trade_wap_pay(
            out_trade_no=out_trade_no,
            total_amount=total_amount,
            subject=subject,
            return_url=return_url,
            notify_url=notify_url  # 可选, 不填则使用默认notify url
        )
        return order_string

    def page_pay(self, out_trade_no, total_amount, subject, return_url, notify_url):
        '''pc 支付'''
        order_string = self.ini().api_alipay_trade_page_pay(
            out_trade_no=out_trade_no,
            total_amount=total_amount,
            subject=subject,
            return_url=return_url,
            notify_url=notify_url  # 可选, 不填则使用默认notify url
        )
        return order_string


if __name__ == '__main__':
    pay = Pay(
        appid="",  # 设置签约的appid
        app_notify_url=None,  # 异步支付通知url
        app_private_key_string=open(
            os.path.join(settings.BASE_DIR, 'apps/order/testkey/alipay_private_key.pem')).read(),  # 设置应用私钥
        alipay_public_key_string=open(
            os.path.join(settings.BASE_DIR, 'apps/order/testkey/alipay_public_key.pem')).read(),
        # 支付宝的公钥，验证支付宝回传消息使用，不是你自己的公钥,
        sign_type="RSA2",
        debug=True,  # 默认False 设置是否是沙箱环境，True是沙箱环境
    )

    url = pay.wap_pay(
        subject="xmzl",  # # 订单名称
        out_trade_no="201702021222",  # 订单号
        total_amount=100,  # 支付金额
        notify_url=None,
        return_url=None
    )

    re_url = "https://openapi.alipaydev.com/gateway.do?{data}".format(data=url)
    print(re_url)

views: order_string 返给app

from Alipay import Pay

异步回调：

if request.method == "POST":
    alipay_dict = request.POST.dict()
    alipay_sign = alipay_dict.pop("sign")
    result = Pay().ini().verify(alipay_dict, alipay_sign)
    if result:  # 如果确定参数是支付宝的，返回True，否则返回false
        channel = '支付宝'
        trade_status = alipay_dict.get('trade_status')
        if trade_status == "TRADE_SUCCESS":
            order_no = alipay_dict.get('out_trade_no')
            order_no = order_no[10:]  # 剔除前10位随机数
            amount = alipay_dict.get("total_amount")
            amount = float(amount) * 100
            time_paid = alipay_dict.get('gmt_payment')
            subject = alipay_dict.get('subject')
            pass
        

返回给支付包参数：

return JsonResponse({
    "code": 200,
    "msg": "支付成功",
    "status": "success"
})