# -*- coding: utf-8 -*-

import tornado.httpserver

import tornado.ioloop

import tornado.options

import tornado.web

import pymysql

import json

import xmltodict

from hashlib import md5

from tornado.options import define, options####################微信支付异步回调消息########################

WEIXIN_KEY = '8mdRLb1yeesYssfasdfsadfassdaV'

def generate_sign(params):

"""

生成md5签名的参数

"""

if 'sign' in params:

params.pop('sign')

src = '&'.join(['%s=%s' % (k, v) for k, v in sorted(params.items())]) + '&key=%s' % WEIXIN_KEY

return md5(src.encode('utf-8')).hexdigest().upper()

def validate_sign(resp_dict):

"""

验证微信返回的签名

"""

if 'sign' not in resp_dict:

return False

wx_sign = resp_dict['sign']

sign = generate_sign(resp_dict)

if sign == wx_sign:

return True

return False

def handle_wx_response_xml(params):

"""

处理微信支付返回的xml格式数据

"""

try:

resp_dict = xmltodict.parse(params)['xml']

if not resp_dict or len(resp_dict) < 1:

print('resp_dict is zero+++++++++')

return None

return_code = resp_dict.get('return_code')

if return_code == 'SUCCESS':  # 仅仅判断通信标识成功，非交易标识成功，交易需判断result_code

if validate_sign(resp_dict):

print('验证成功！！！')

return resp_dict

except Exception as e:

print(e)

return None

return None

def weixinpay_call_back(request):

"""

微信支付回调

:param request: 回调参数

:return:

"""

args = str(request.body,'utf-8')

if args is None:

return None

print(args)

# 验证平台签名

resp_dict = handle_wx_response_xml(args)

if resp_dict is None:

print('签名验证失败！！！')

return None

return resp_dict

def weixinpay_response_xml(params):

"""

生成交易成功返回信息

"""

def generate_response_data(resp_dict):

"""

字典转xml

"""

return xmltodict.unparse({'xml': resp_dict}, pretty=True, full_document=False).encode('utf-8')

return_info = {

'return_code': params,

'return_msg': 'OK'

}

return generate_response_data(return_info)

def weixinpay_sucess_db(dicts):

"""微信支付成功后数据库日志操作"""

if isinstance(dicts,dict):

trade_status = dicts['result_code']  # 业务结果  SUCCESS/FAIL

trade_no = dicts['out_trade_no']  # 商户订单号

if trade_status == "SUCCESS":

appid = dicts['appid']  # 应用ID

bank_type = dicts['bank_type']  # 付款银行

cash_fee = dicts['cash_fee']  # 现金支付金额(分)

device_info = dicts['device_info']  # 微信支付分配的终端设备号

fee_type = dicts['fee_type']  # 货币种类

gmt_create = dicts['time_end']  # 支付完成时间

total_amount = int(dicts['total_fee']) / 100  # 总金额(单位由分转元)

trade_type = dicts['trade_type']  # 交易类型

out_trade_no = dicts['transaction_id']  # 微信支付订单号

seller_id = dicts['mch_id']  # 商户号

openid = dicts['openid']  # 用户标识

update_sql = ''' update weixin_trade set trade_status='{trade_status}', appid='{appid}', ''' + \

'''seller_id='{seller_id}', openid='{openid}', total_amount='{total_amount}',''' +  \

'''out_trade_no='{out_trade_no}', gmt_create='{gmt_create}', '''+ \

'''device_info='{device_info}', trade_type='{trade_type}', bank_type='{bank_type}', ''' + \

'''fee_type='{fee_type}', cash_fee='{cash_fee}' where trade_no='{trade_no}' '''

update_sql = update_sql.format(

trade_status=trade_status,

appid=appid,

seller_id=seller_id,

openid=openid,

total_amount=total_amount,

out_trade_no=out_trade_no,

gmt_create=gmt_create,

device_info=device_info,

trade_type=trade_type,

bank_type=bank_type,

fee_type=fee_type,

cash_fee=cash_fee,

trade_no=trade_no)

print(update_sql)

#写数据库

def weixin_rollback(request):

"""

【API】: 微信宝支付结果回调接口,供微信服务端调用

"""

try:

# 支付异步回调验证

data = weixinpay_call_back(request)

if data:

print('微信支付返回====={0}'.format(data))

res = "success"

trade_status = data['result_code']  # 业务结果  SUCCESS/FAIL

out_trade_no = data['out_trade_no']  # 商户订单号

if trade_status == "SUCCESS":

weixinpay_sucess_db(data)

device_info = data['device_info']  # 微信支付分配的终端设备号

# 如果状态是支付成功则发放物品

hall = KBEngine.globalData["Halls"]

if hall:

player_data = hall.GetPlayerByDbId(int(device_info))

if player_data:

player = player_data.entityCall

if player:

print('微信发放奖品到客户端，订单号======%s' % out_trade_no)

player.GmBkCmd({'cmd':'PayReward','Order_id':out_trade_no})

else:

print('找不到玩家++++++++')

else:

res = "error: pay failed! "

status = 0

err_code = data['err_code']  # 错误代码

err_code_des = data['err_code_des']  # 错误代码描述

else:

res = "error: verify failed! "

except Exception as e:

print(e)

res='err:exception==='

finally:

return weixinpay_response_xml(res)

class WeChatPayNotify(tornado.web.RequestHandler):

"""微信支付回调"""

def post(self):

"""

【API】: 微信宝支付结果回调接口,供微信服务端调用

"""

self.write(weixin_rollback(self.request))

class WeChatPay(tornado.web.RequestHandler):

def post(self):

to_client={}

for k,v in self.request.arguments.items():

to_client[k] = str(v[0],encoding='utf-8')

pid = to_client.pop('pid')

if isinstance(pid,str):

pid = int(pid)

self.write('')