微信支付宝扫码支付功能python实现

支付宝支付功能实现

安装包

pip install alipay-sdk-python

pip install qrcode

代码实现

import qrcode
from alipay.aop.api.AlipayClientConfig import AlipayClientConfig
from alipay.aop.api.DefaultAlipayClient import DefaultAlipayClient
from alipay.aop.api.domain.AlipayTradePrecreateModel import AlipayTradePrecreateModel
from alipay.aop.api.domain.AlipayTradeQueryModel import AlipayTradeQueryModel
from alipay.aop.api.domain.AlipayFundTransUniTransferModel import AlipayFundTransUniTransferModel
from alipay.aop.api.request.AlipayTradePrecreateRequest import AlipayTradePrecreateRequest
from alipay.aop.api.request.AlipayTradeQueryRequest import AlipayTradeQueryRequest
from alipay.aop.api.request.AlipayFundTransUniTransferRequest import AlipayFundTransUniTransferRequest
from alipay.aop.api.domain.Participant import Participant

url = 'https://openapi.alipay.com/gateway.do' # 支付宝网关
alipay_client_config = AlipayClientConfig()
alipay_client_config.server_url = url
alipay_client_config.app_id = ''  # 应用id
alipay_client_config.app_private_key = ''  # 应用私钥
alipay_client_config.alipay_public_key = '' # 支付宝公钥
client = DefaultAlipayClient(alipay_client_config=alipay_client_config)
model = AlipayTradePrecreateModel()
model.out_trade_no = '20220812052469' # 充值编号
model.total_amount = 20.0 # 充值金额
model.subject = "充值"
model.body = "充值"
model.timeout_express = '5m'
request_info = AlipayTradePrecreateRequest(biz_model=model)
response = client.execute(request_info)
qr_code = json.loads(response)['qr_code']
qrcode_name = os.path.join(os.getcwd(), 'upload', 'img_code', '{}.png'.format(out_trade_no))
if not os.path.exists(os.path.join(os.getcwd(), 'upload', 'img_code')):
    os.makedirs(os.path.join(os.getcwd(), 'upload', 'img_code'))
img = qrcode.make(qr_code)
with open(qrcode_name, 'wb') as f:
    img.save(f)

微信扫码支付功能实现

import random
from Cryptodome.PublicKey import RSA
from Cryptodome.Signature import pkcs1_15
from Cryptodome.Hash import SHA256
from cryptography.hazmat.primitives.ciphers.aead import AESGCM
from base64 import b64encode

# 获取签名
def get_sign(sign_str):
    # 证书路径
    apiclient_key = os.path.join('wxpay', 'apiclient_key.pem')
    rsa_key = RSA.importKey(open(apiclient_key).read())
    signer = pkcs1_15.new(rsa_key)
    digest = SHA256.new(sign_str.encode('utf8'))
    sign = b64encode(signer.sign(digest)).decode('utf-8')
    return sign
timestamp = str(int(time.time()))
number_list = [str(num) for num in range(10)]
letter_list = [chr(i) for i in range(97, 123)]
letter_upper_list = [chr(i).upper() for i in range(97, 123)]
all_list = number_list + letter_list + letter_upper_list
random.shuffle(all_list)
nonce_str = ''.join(random.choices(all_list, k=32)) # 随机数列
url = 'https://api.mch.weixin.qq.com/v3/pay/transactions/native' #支付接口网关
serial_no = '' # 证书序列号
mchid = ''  # 商户id
data = {
    "mchid": '' #商户id ,
    "out_trade_no": '202208115469782' # 充值编号,
    "appid": '', # 应用id
    "description": "充值", # 充值内容介绍
    "notify_url": '', # 微信支付接口回调 
    "amount": {
        "total": int(float(200)*100), # 以分为单位 
        "currency": "CNY"
    }
}
sign_str = '\n'.join([
    "POST",  # HTTP请求方法
    url.split(urlparse(url).netloc)[-1],  # path+args
    timestamp,  # 时间戳
    nonce_str,  # 请求随机串
    json.dumps(data), ''  # 请求报文主体
])
sign = get_sign(sign_str)
headers = {
    'Content-Type': 'application/json; charset=UTF-8',
    'Authorization': 'WECHATPAY2-SHA256-RSA2048 mchid="{}",nonce_str="{}",signature="{}",timestamp="{}",serial_no="{}"'.format(mchid, nonce_str, sign, timestamp, serial_no)
}
res = requests.post(url, data=json.dumps(data), headers=headers)
code_url = res.json()['code_url']
qrcode_name = os.path.join(os.getcwd(), 'upload', 'img_code', '{}.png'.format(out_trade_no))
if not os.path.exists(os.path.join(os.getcwd(), 'upload', 'img_code')):
    os.makedirs(os.path.join(os.getcwd(), 'upload', 'img_code'))
img = qrcode.make(code_url)
# 保存二维码
with open(qrcode_name, 'wb') as f:
    img.save(f)

微信充值查询：

mchid = '' # 商户id
number_list = [str(num) for num in range(10)]
letter_list = [chr(i) for i in range(97, 123)]
letter_upper_list = [chr(i).upper() for i in range(97, 123)]
all_list = number_list + letter_list + letter_upper_list
random.shuffle(all_list)
nonce_str = ''.join(random.choices(all_list, k=32)) # 32随机码
url = 'https://api.mch.weixin.qq.com/v3/pay/transactions/out-trade-no/'
serial_no = '' # 安全证书序列号
query_url = r'{}{}?mchid={}'.format(url, out_trade_no, mchid)
sign_str = '{}\n{}\n{}\n{}\n{}\n'.format(
    "GET",  # HTTP请求方法
    query_url.split(urlparse(query_url).netloc)[-1],
    timestamp,  # 时间戳
    nonce_str,  # 请求随机串
    ''
)
sign = get_sign(sign_str)
headers = {
    'Content-Type': 'application/json; charset=UTF-8',
    'Authorization': 'WECHATPAY2-SHA256-RSA2048 mchid="{}",nonce_str="{}",signature="{}",timestamp="{}",serial_no="{}"'.format(mchid, nonce_str, sign, timestamp, serial_no)
}
res = requests.get(query_url, headers=headers)
trade_state = res.json()['trade_state']
if trade_state == 'SUCCESS':
    print('充值成功')

支付宝充值查询:

alipay_client_config = AlipayClientConfig()
alipay_client_config.server_url = '' #支付宝网关
alipay_client_config.app_id = '' # 支付宝应用id
alipay_client_config.app_private_key = '' # 支付宝应用私钥
alipay_client_config.alipay_public_key = '' # 支付宝应用公钥
client = DefaultAlipayClient(alipay_client_config=alipay_client_config)
model = AlipayTradeQueryModel()
model.out_trade_no = out_trade_no  # 订单编号
request_info = AlipayTradeQueryRequest(biz_model=model)
response = client.execute(request_info)
msg = json.loads(response)['msg']
if msg == 'Success':
    if json.loads(response)['trade_status'] == 'TRADE_SUCCESS':
        print('充值成功')