准备工作
首先需要注册成为蚂蚁金服的开发者
https://openhome.alipay.com/platform/manageHome.htm
接着就是下载支付宝的秘钥生成工具。
RSA签名验签工具windows_V1.4
教程支付宝的官方文档已经写的很详细了：https://docs.open.alipay.com/291/105971
这里我们选择PKCS1，非java版的
保存好你的公钥和私钥
然后将应用公钥粘贴到支付宝页面
下面的应用网关什么的是选填，具体使用方法看官方文档，没有比那个还详细的了。
点击左上角的沙箱账号和沙箱应用，下载你的沙箱版支付宝，用于测试使用。使用沙箱账号登录。
接下来开始安装支付宝的SDK
下载支付宝的SDK：https://pypi.org/project/alipay-sdk-python/#files
我寻思着解压后你会得到两个文件，一个安装不上就安装另一个吧。
安装命令，（有虚拟环境的就进入到你的虚拟环境中）：
pip install [F:\.......]替换成你的文件路径，记得加文件名。切记路径中不要包含空格。
我寻思着你哪个也安装不上，会提示你编译错误。
你也可以试试官方的安装命令：pip install alipay-sdk-python
不行的话就按我的来吧。
先安装pycrypto：pip install pycrypto
下载到本地安装也行。 网址：https://pypi.org/project/pycrypto/#files
再安装支付宝SDK：pip install [F:\.......]替换成你的文件路径。推荐安装cp36
这是编译安装，会比较慢。
到这里准备工作算是结束了。
开始动手
第一步：查看官方文档
地址：https://pypi.org/project/alipay-sdk-python/#description
这里我就给例程全部粘贴过来了。选取你想用的即可。
记得把所有的import全部粘贴过去，最后我们再删掉灰色的就好。
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import logging
import traceback
from alipay.aop.api.AlipayClientConfig import AlipayClientConfig
from alipay.aop.api.DefaultAlipayClient import DefaultAlipayClient
from alipay.aop.api.FileItem import FileItem
from alipay.aop.api.domain.AlipayTradeAppPayModel import AlipayTradeAppPayModel
from alipay.aop.api.domain.AlipayTradePagePayModel import AlipayTradePagePayModel
from alipay.aop.api.domain.AlipayTradePayModel import AlipayTradePayModel
from alipay.aop.api.domain.GoodsDetail import GoodsDetail
from alipay.aop.api.domain.SettleDetailInfo import SettleDetailInfo
from alipay.aop.api.domain.SettleInfo import SettleInfo
from alipay.aop.api.domain.SubMerchant import SubMerchant
from alipay.aop.api.request.AlipayOfflineMaterialImageUploadRequest import AlipayOfflineMaterialImageUploadRequest
from alipay.aop.api.request.AlipayTradeAppPayRequest import AlipayTradeAppPayRequest
from alipay.aop.api.request.AlipayTradePagePayRequest import AlipayTradePagePayRequest
from alipay.aop.api.request.AlipayTradePayRequest import AlipayTradePayRequest
from alipay.aop.api.response.AlipayOfflineMaterialImageUploadResponse import AlipayOfflineMaterialImageUploadResponse
from alipay.aop.api.response.AlipayTradePayResponse import AlipayTradePayResponse
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s %(levelname)s %(message)s',
filemode='a',)
logger = logging.getLogger('')
if __name__ == '__main__':
"""
设置配置，包括支付宝网关地址、app_id、应用私钥、支付宝公钥等，其他配置值可以查看AlipayClientConfig的定义。
"""
alipay_client_config = AlipayClientConfig()
alipay_client_config.server_url = 'https://openapi.alipay.com/gateway.do'
alipay_client_config.app_id = '[your app_id]'
alipay_client_config.app_private_key = '[your app private key]'
alipay_client_config.alipay_public_key = '[alipay public key]'
"""
得到客户端对象。
注意，一个alipay_client_config对象对应一个DefaultAlipayClient，定义DefaultAlipayClient对象后，alipay_client_config不得修改，如果想使用不同的配置，请定义不同的DefaultAlipayClient。
logger参数用于打印日志，不传则不打印，建议传递。
"""
client = DefaultAlipayClient(alipay_client_config=alipay_client_config, logger=logger)
"""
系统接口示例：alipay.trade.pay
"""
# 对照接口文档，构造请求对象
model = AlipayTradePayModel()
model.auth_code = "282877775259787048"
model.body = "Iphone6 16G"
goods_list = list()
goods1 = GoodsDetail()
goods1.goods_id = "apple-01"
goods1.goods_name = "ipad"
goods1.price = 10
goods1.quantity = 1
goods_list.append(goods1)
model.goods_detail = goods_list
model.operator_id = "yx_001"
model.out_trade_no = "20180510AB014"
model.product_code = "FACE_TO_FACE_PAYMENT"
model.scene = "bar_code"
model.store_id = ""
model.subject = "huabeitest"
model.timeout_express = "90m"
model.total_amount = 1
request = AlipayTradePayRequest(biz_model=model)
# 如果有auth_token、app_auth_token等其他公共参数，放在udf_params中
# udf_params = dict()
# from alipay.aop.api.constant.ParamConstants import *
# udf_params[P_APP_AUTH_TOKEN] = "xxxxxxx"
# request.udf_params = udf_params
# 执行请求，执行过程中如果发生异常，会抛出，请打印异常栈
response_content = None
try:
response_content = client.execute(request)
except Exception as e:
print(traceback.format_exc())
if not response_content:
print("failed execute")
else:
response = AlipayTradePayResponse()
# 解析响应结果
response.parse_response_content(response_content)
print(response.body)
if response.is_success():
# 如果业务成功，则通过respnse属性获取需要的值
print("get response trade_no:" + response.trade_no)
else:
# 如果业务失败，则从错误码中可以得知错误情况，具体错误码信息可以查看接口文档
print(response.code + "," + response.msg + "," + response.sub_code + "," + response.sub_msg)
"""
带文件的系统接口示例：alipay.offline.material.image.upload
"""
# 如果没有找到对应Model类，则直接使用Request类，属性在Request类中
request = AlipayOfflineMaterialImageUploadRequest()
request.image_name = "我的店"
request.image_type = "jpg"
# 设置文件参数
f = open("/Users/foo/Downloads/IMG.jpg", "rb")
request.image_content = FileItem(file_name="IMG.jpg", file_content=f.read())
f.close()
response_content = None
try:
response_content = client.execute(request)
except Exception as e:
print(traceback.format_exc())
if not response_content:
print("failed execute")
else:
response = AlipayOfflineMaterialImageUploadResponse()
response.parse_response_content(response_content)
if response.is_success():
print("get response image_url:" + response.image_url)
else:
print(response.code + "," + response.msg + "," + response.sub_code + "," + response.sub_msg)
"""
页面接口示例：alipay.trade.page.pay
"""
# 对照接口文档，构造请求对象
model = AlipayTradePagePayModel()
model.out_trade_no = "pay201805020000226"
model.total_amount = 50
model.subject = "测试"
model.body = "支付宝测试"
model.product_code = "FAST_INSTANT_TRADE_PAY"
settle_detail_info = SettleDetailInfo()
settle_detail_info.amount = 50
settle_detail_info.trans_in_type = "userId"
settle_detail_info.trans_in = "2088302300165604"
settle_detail_infos = list()
settle_detail_infos.append(settle_detail_info)
settle_info = SettleInfo()
settle_info.settle_detail_infos = settle_detail_infos
model.settle_info = settle_info
sub_merchant = SubMerchant()
sub_merchant.merchant_id = "2088301300153242"
model.sub_merchant = sub_merchant
request = AlipayTradePagePayRequest(biz_model=model)
# 得到构造的请求，如果http_method是GET，则是一个带完成请求参数的url，如果http_method是POST，则是一段HTML表单片段
response = client.page_execute(request, http_method="GET")
print("alipay.trade.page.pay response:" + response)
"""
构造唤起支付宝客户端支付时传递的请求串示例：alipay.trade.app.pay
"""
model = AlipayTradeAppPayModel()
model.timeout_express = "90m"
model.total_amount = "9.00"
model.seller_id = "2088301194649043"
model.product_code = "QUICK_MSECURITY_PAY"
model.body = "Iphone6 16G"
model.subject = "iphone"
model.out_trade_no = "201800000001201"
request = AlipayTradeAppPayRequest(biz_model=model)
response = client.sdk_execute(request)
print("alipay.trade.app.pay response:" + response)还有什么问题的话，欢迎大家留言。