from datetime import datetime
from alipay import AliPay
 
 
class Payment():
 def __init__(self, appid, url):
  '''
  支付接口初始化
  :param appid: 商户appid
  :param url: 支付宝接口url
  '''
  self.app_private_key_string = open("app_private_key.txt").read() # 应用私钥（默认从两个TXT文件中读取）
  self.alipay_public_key_string = open("alipay_public_key.txt").read() # 支付宝公钥
  self.alipay = AliPay(
   appid=appid,
   app_notify_url=url,
   app_private_key_string=self.app_private_key_string,
   alipay_public_key_string=self.alipay_public_key_string,
   sign_type="RSA2",
   debug=True
  )

def pay(self, payee_account, amount, payee_real_name=None, remark=None, payer_show_name=None,
   payee_type="ALIPAY_LOGONID"):
  '''
  发起转账
  :param payee_account: 收款方账户
  :param amount: 转账金额
  :param payee_real_name:
  :param remark: 收款方姓名
  :param payer_show_name: 转账备注
  :param payee_type: 付款方姓名
  :return:
  '''
  result = self.alipay.api_alipay_fund_trans_toaccount_transfer(
   datetime.now().strftime("%Y%m%d%H%M%S"),
   payee_type=payee_type, # 收款方账户类型
   payee_account=payee_account, # 收款方账户
   amount=amount, # 转账金额
   payee_real_name=payee_real_name, # 收款方姓名（可选，若不匹配则转账失败）
   remark=remark, # 转账备注
   payer_show_name=payer_show_name # 付款方姓名
 
  )
  # result={'code':'10000','msg':'Success','order_id': '','out_biz_no': '', 'pay_date': '2017-06-26 14:36:25'}
  # 接口文档：https://docs.open.alipay.com/api_28/alipay.fund.trans.toaccount.transfer
 
  if result['code'] == '10000':
   if result['msg'] == "Success":
    print("转账成功" + " 交易单号：" + result["order_id"])
 
  else:
   print(result)
   print(result['sub_msg'])