一. 支付寶支付使用
1. 支付寶 申請 支付流程 (公鑰和私鑰)
https://pay.weixin.qq.com/static/applyment_guide/applyment_index.shtml 微信支付開放平台 支付寶 支付 https://openhome.alipay.com/platform/appDaily.htm?tab=info 螞蟻金服支付開放平台 https://docs.open.alipay.com/291/105971#Krqvg 螞蟻金服支付開放平台開發者文檔 a. 去支付寶申請 - 正式：營業執照 - 測試：沙箱測試環境 APPID：2016082500309412 買家： nbjsag5718@sandbox.com b. 開發程序 SDK - 官方 - github pay.py 依賴：pip3 install pycryptodome 公鑰私鑰： - 應用公鑰 - 支付寶公鑰 - 應用私鑰 支付包支付 依賴模塊 pip3 install pycryptodome 算法加密模塊 支付包支付使用算法模塊 ---------RSA https://docs.open.alipay.com/291/106097/ 生成密鑰：快速生成RSA私鑰公鑰
2. 支付(django支付代碼流程案例)
urls
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), ]
templates/index.html
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <title>Title</title> <meta name="viewport" content="width=device-width, initial-scale=1"> </head> <body> <form method="post"> {% csrf_token %} <input type="text" name="price" placeholder="請輸入要支付的金額"> <input type="submit" value="支付"> </form> </body> </html>
支付寶支付接口(PC端支付接口) utils/pay.py
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) # 將字典類型的數據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 key = self.app_private_key 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 = encodebytes(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, 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)
views.py
from django.shortcuts import render,redirect,HttpResponse from django.views.decorators.csrf import csrf_exempt from utils.pay import AliPay # 引入 支付加密等 接口 方法 支付寶支付接口(PC端支付接口) import time from django.conf import settings # APPID = "2016082500309412" # NOTIFY_URL = "http://47.98.134.86:80/update_order/" # RETURN_URL = "http://47.98.134.86:80/pay_result/" # PRI_KEY_PATH = "keys/app_private_2048.txt" # PUB_KEY_PATH = "keys/alipay_public_2048.txt" def aliPay(): obj = AliPay( =settings.APPID, app_notify_url=settings.NOTIFY_URL, # 如果支付成功，支付寶會向這個地址發送POST請求（校驗是否支付已經完成） （47.98.134.86 必須要公網ip） return_url=settings.RETURN_URL, # 如果支付成功，重定向回到你的網站的地址。( http://localhost:8080) 可以是局網 alipay_public_key_path=settings.PUB_KEY_PATH, # 支付寶 公鑰 app_private_key_path=settings.PRI_KEY_PATH, # 應用私鑰 debug=True, # 默認False, 表示測試環境 ) return obj def index(request): if request.method == 'GET': return render(request,'index.html') alipay = aliPay() #實例化支付加密 money = float(request.POST.get('price')) # 隨機訂單號 out_trade_no = "x2" + str(time.time()) # 1. 在數據庫創建一條數據：狀態（待支付） # 對購買的數據進行加密 query_params = alipay.direct_pay( subject="超級娃娃哈哈哈哈哈", # 商品簡單描述 out_trade_no= out_trade_no, # 商戶訂單號 total_amount=money, # 交易金額(單位: 元 最多保留倆位小數 ) ) pay_url = "https://openapi.alipaydev.com/gateway.do?{}".format(query_params) # url+商品價錢+價錢 拼接 return redirect(pay_url) # //支付完成的響應 校驗 def pay_result(request): """ 支付完成后，跳轉回的地址 :param request: :return: """ params = request.GET.dict() sign = params.pop('sign', None) # url中路徑中的簽名 alipay = aliPay() status = alipay.verify(params, sign) # 校驗驗證 if status: return HttpResponse('支付成功') return HttpResponse('支付失敗') # 偷偷返回回來 獲取的訂單號 @csrf_exempt def update_order(request): """ 支付成功后，支付寶向該地址發送的POST請求（用於修改訂單狀態） :param request: :return: """ if request.method == 'POST': from urllib.parse import parse_qs body_str = request.body.decode('utf-8') # 解析請求體中的數據 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) #對數據的校驗 if status: # 修改訂單狀態 out_trade_no = post_dict.get('out_trade_no') print(out_trade_no) # 2. 根據訂單號將數據庫中的數據進行更新 return HttpResponse('支付成功') else: return HttpResponse('支付失敗') return HttpResponse('1111111111111111111111')
models
from django.db import models class Order(models.Model): title = models.CharField(max_length=32) order_num = models.CharField(max_length=32) status_choices = ( (1,'未支付'), (2,'已支付'), ) status = models.IntegerField(choices=status_choices,default=1)
二 .微信支付使用
Django實現支付寶付款和微信支付的示例代碼 https://www.jb51.net/article/144392.htm
https://blog.csdn.net/lm_is_dc/article/details/82864480 Python+Django實現微信掃碼支付流程