Django調(diào)用支付寶接口代碼實(shí)例詳解
支付寶支付
正式環(huán)境:用營業(yè)執(zhí)照,申請商戶號,appid
測試環(huán)境:沙箱環(huán)境:https://openhome.alipay.com/platform/appDaily.htm?tab=info
支付寶提供接口:給商戶使用,收錢
- -Java,php,C#的demo,沒有python的demo
- -git有人封裝了
- -需要安裝模塊:pip3 install
- -應(yīng)用私鑰---自己保存,一定不能丟
- -應(yīng)用公鑰---給別人用
- -支付寶公鑰---支付寶用的
- -生成公鑰私鑰:https://docs.open.alipay.com/291/105971
- -把應(yīng)用公鑰配置在支付寶上:應(yīng)用公鑰,配置完成以后,支付寶自動(dòng)生成一個(gè)支付寶公鑰
- -在程序中:配置應(yīng)用私鑰,支付寶公鑰
- -如果支付成功,支付寶會(huì)回調(diào),但是如果你的服務(wù)器掛掉了怎么辦?
- -支付寶24小時(shí)以內(nèi)不定時(shí)再給你發(fā),你修改掉訂單狀態(tài)即可
- -支付成功,支付寶會(huì)有一個(gè)get回調(diào),一個(gè)post回調(diào):修改訂單狀態(tài)
支付寶接口
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 base64 import decodebytes, encodebytes
import json
class AliPay(object):
"""
支付寶支付接口(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)
# 獲得最終的訂單信息字符串
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)
# 將字典類型的數(shù)據(jù)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(jì)算簽名
key = self.app_private_key
signer = PKCS1_v1_5.new(key)
signature = signer.sign(SHA256.new(unsigned_string))
# base64 編碼,轉(zhuǎn)換為unicode表示并移除回車
sign = encodebytes(signature).decode("utf8").replace("\n", "")
return sign
def _verify(self, raw_content, signature):
# 開始計(jì)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, 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)
視圖函數(shù)
from django.shortcuts import render, redirect, HttpResponse
from utils.pay import AliPay
import json
import time
def ali():
# 沙箱環(huán)境地址:https://openhome.alipay.com/platform/appDaily.htm?tab=info
app_id = "2016092000554611"
# 支付寶收到用戶的支付,會(huì)向商戶發(fā)兩個(gè)請求,一個(gè)get請求,一個(gè)post請求
# POST請求,用于最后的檢測
notify_url = "http://42.56.89.12:80/page2/"
# GET請求,用于頁面的跳轉(zhuǎn)展示
return_url = "http://42.56.89.12:80/page2/"
merchant_private_key_path = "keys/app_private_2048.txt"
alipay_public_key_path = "keys/alipay_public_2048.txt"
# 生成一個(gè)AliPay的對象
alipay = AliPay(
appid=app_id,
app_notify_url=notify_url,
return_url=return_url,
app_private_key_path=merchant_private_key_path,
alipay_public_key_path=alipay_public_key_path, # 支付寶的公鑰,驗(yàn)證支付寶回傳消息使用,不是你自己的公鑰
debug=True, # 默認(rèn)False,
)
return alipay
def page1(request):
if request.method == "GET":
return render(request, 'page1.html')
else:
money = float(request.POST.get('money'))
# 生成一個(gè)對象
alipay = ali()
# 生成支付的url
# 對象調(diào)用direct_pay
query_params = alipay.direct_pay(
subject="充氣娃娃", # 商品簡單描述
out_trade_no="x2" + str(time.time()), # 商戶訂單號
total_amount=money, # 交易金額(單位: 元 保留倆位小數(shù))
)
pay_url = "https://openapi.alipaydev.com/gateway.do?{}".format(query_params)
print(pay_url)
# 朝這個(gè)地址發(fā)get請求
return redirect(pay_url)
def page2(request):
alipay = ali()
if request.method == "POST":
# 檢測是否支付成功
# 去請求體中獲取所有返回的數(shù)據(jù):狀態(tài)/訂單號
from urllib.parse import parse_qs
body_str = request.body.decode('utf-8')
print(body_str)
post_data = parse_qs(body_str)
print('支付寶給我的數(shù)據(jù):::---------',post_data)
post_dict = {}
for k, v in post_data.items():
post_dict[k] = v[0]
print('轉(zhuǎn)完之后的字典',post_dict)
sign = post_dict.pop('sign', None)
status = alipay.verify(post_dict, sign)
print('POST驗(yàn)證', status)
return HttpResponse('POST返回')
else:
params = request.GET.dict()
sign = params.pop('sign', None)
status = alipay.verify(params, sign)
print('GET驗(yàn)證', status)
return HttpResponse('支付成功')
以上就是本文的全部內(nèi)容,希望對大家的學(xué)習(xí)有所幫助,也希望大家多多支持腳本之家。
相關(guān)文章
python連接clickhouse數(shù)據(jù)庫的兩種方式小結(jié)
這篇文章主要介紹了python連接clickhouse數(shù)據(jù)庫的兩種方式小結(jié),具有很好的參考價(jià)值,希望對大家有所幫助。如有錯(cuò)誤或未考慮完全的地方,望不吝賜教2022-05-05
python同時(shí)給兩個(gè)收件人發(fā)送郵件的方法
這篇文章主要介紹了python同時(shí)給兩個(gè)收件人發(fā)送郵件的方法,涉及Python使用smtplib包發(fā)送郵件的相關(guān)技巧,需要的朋友可以參考下2015-04-04
python進(jìn)程和線程用法知識點(diǎn)總結(jié)
在本篇文章里小編給大家整理了關(guān)于python進(jìn)程和線程用法以及相關(guān)實(shí)例內(nèi)容,需要的朋友們跟著學(xué)習(xí)下。2019-05-05
卷積神經(jīng)網(wǎng)絡(luò)CharCNN實(shí)現(xiàn)中文情感分類任務(wù)
這篇文章主要為大家介紹了卷積神經(jīng)網(wǎng)絡(luò)CharCNN實(shí)現(xiàn)中文情感分類任務(wù)詳解,有需要的朋友可以借鑒參考下,希望能夠有所幫助,祝大家多多進(jìn)步,早日升職加薪2023-04-04

