10-10 支付宝开发文档解读

设置 Interpreter 为本地

https://docs.open.alipay.com/api_1/alipay.trade.page.pay

https://docs.open.alipay.com/291/106118

拷贝内容到：

新建 alipay.py

 # -*- coding: utf-8 -*-  # pip install pycryptodome __author__ = 'bobby'  from datetime import datetime from Crypto.PublicKey import RSA from Crypto.Signature import PKCS1_v1_5 from Crypto.Hash import SHA256 from base64 import b64encode, b64decode from urllib.parse import quote_plus from urllib.parse import urlparse, parse_qs from urllib.request import urlopen from base64 import decodebytes, encodebytes  import json   class AliPay(object):     """     支付宝支付接口     """     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.import_key(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 ordered_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)   if __name__ == "__main__":     return_url = 'http://47.92.87.172:8000/?total_amount=0.01&timestamp=2017-08-15+17%3A15%3A13&sign=jnnA1dGO2iu2ltMpxrF4MBKE20Akyn%2FLdYrFDkQ6ckY3Qz24P3DTxIvt%2BBTnR6nRk%2BPAiLjdS4sa%2BC9JomsdNGlrc2Flg6v6qtNzTWI%2FEM5WL0Ver9OqIJSTwamxT6dW9uYF5sc2Ivk1fHYvPuMfysd90lOAP%2FdwnCA12VoiHnflsLBAsdhJazbvquFP%2Bs1QWts29C2%2BXEtIlHxNgIgt3gHXpnYgsidHqfUYwZkasiDGAJt0EgkJ17Dzcljhzccb1oYPSbt%2FS5lnf9IMi%2BN0ZYo9%2FDa2HfvR6HG3WW1K%2FlJfdbLMBk4owomyu0sMY1l%2Fj0iTJniW%2BH4ftIfMOtADHA%3D%3D&trade_no=2017081521001004340200204114&sign_type=RSA2&auth_app_id=2016080600180695&charset=utf-8&seller_id=2088102170208070&method=alipay.trade.page.pay.return&app_id=2016080600180695&out_trade_no=201702021222&version=1.0'      alipay = AliPay(         appid="2016080600180695",         app_notify_url="http://projectsedus.com/",         app_private_key_path=u"H:/VueShop/RSA/private_2048.txt",         alipay_public_key_path="H:/VueShop/RSA/ali_pub.txt",  # 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,         debug=True,  # 默认False,         return_url="http://47.92.87.172:8000/"     )      o = urlparse(return_url)     query = parse_qs(o.query)     processed_query = {}     ali_sign = query.pop("sign")[0]     for key, value in query.items():         processed_query[key] = value[0]     print (alipay.verify(processed_query, ali_sign))      url = alipay.direct_pay(         subject="测试订单",         out_trade_no="201702021222",         total_amount=0.01     )     re_url = "https://openapi.alipaydev.com/gateway.do?{data}".format(data=url)     print(re_url)

 pip install -i https://pypi.douban.com/simple pycryptodome

然后去沙箱环境找 APPID

https://openhome.alipay.com/platform/appDaily.htm

修改

     alipay = AliPay(         appid="2016082000293072",         app_notify_url="http://projectsedus.com/",         app_private_key_path="../trade/keys/private_2048.txt",         alipay_public_key_path="../trade/keys/alipay_key_2048.txt",  # 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,         debug=True,  # 默认False,         return_url="http://47.92.87.172:8000/"     )