python Django原生 支付寶支付

views檢視處理

def alipay(request):

if request.is_secure():
notify_url = "https://%s/***/***/" % request.get_host() # 非同步通知
return_url = "https://%s/***/***/" % request.get_host() # 同步通知
# 沙箱環境位址
alipay = alipay(
return_url=return_url,
alipay_public_key_path="",
# 開啟檔案模式
"""alipay_public_key_path=os.path.join(os.path.dirname(os.path.abspath(__file__)), "keys/alipay_public_key.pem"), # 支付寶的公鑰，驗證支付寶回傳訊息使用，不是你自己的公鑰,
""")
data = request.get
money_key = data.get('money_key')
total_key = data.get('total_key')
query_params = alipay.direct_pay(
subject=website_conf[request.get_host()]["website_name"], # 名
out_trade_no=total_key, # 商戶訂單號
total_amount=money_key, # 交易金額
return response

class alipay():

"""支付寶支付介面(pc端支付介面)"""
# 初始化資訊
alipay_public_key_path, return_url, debug=false):
self.alipay_public_key = rsa.importkey(alipay_public_key_path)
self.return_url = return_url # 返回的url
# 使用檔案讀取模式開啟下面
"""with open(self.alipay_public_key_path) as fp:
self.alipay_public_key = rsa.importkey(fp.read())
"""if debug is true:
self.__gateway = ""
else:
self.__gateway = ""
def direct_pay(self, subject, out_trade_no, total_amount, return_url, **kwargs):
biz_content = 
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 = 
if return_url is not none:
data["return_url"] = self.return_url
return data
def sign_data(self, data):
data.pop("sign", none)
# 排序後的字串
unsigned_items = self.ordered_data(data)
unsigned_string = "&".join("=".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("=".format(k, quote_plus(v)) for k, v in unsigned_items)
# 獲得最終的訂單資訊字串
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):
# 將字典型別的資料dump出來
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):
# 開始計算簽名
signer = pkcs1_v1_5.new(key)
signature = signer.sign(sha256.new(unsigned_string))
# base64 編碼，轉換為unicode表示並移除回車
sign = b64encode(signature).decode("utf8").replace("\n", "")
return sign
def _verify(self, raw_content, signature):
# 開始計算簽名
key = self.alipay_public_key
signer = pkcs1_v1_5.new(key)
digest = sha256.new()
digest.update(raw_content.encode("utf8"))
if signer.verify(digest, b64decode(signature.encode("utf8"))):
return true
return false
def verify(self, data, signature):
if "sign_type" in data:
sign_type = data.pop("sign_type")
# 排序後的字串
unsigned_items = self.ordered_data(data)
message = "&".join(u"{}={}".format(k, v) for k, v in unsigned_items)
return self._verify(message, signature)

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