m1 = hashlib.md5()

m1.update(md5str.encode("utf-8"))

token = m1.hexdigest()

def get(self):

print(self.request.body)

xml1 = str(self.request.body, encoding='utf-8')

print("cml", xml1)

pattertn = re.compile(r'out_trade_no><!\[CDATA\[(.*?)]]></out_trade_no')

out_trade_no = pattertn.findall(xml1)[0]

print(out_trade_no)

appid = ''

mch_id = ''

body = ""

key = ''

nonce_str = str(uuid.uuid4()).replace('-', "")[:-3]

signA = "appid=%s&mch_id=%s&nonce_str=%s&out_trade_no=%s" % (appid, mch_id, nonce_str, out_trade_no)

print(signA)

strSignTmp = signA + "&key=" + key

sign = get_token(strSignTmp).upper()

xml = '''<xml>

<appid>%s</appid>

<mch_id>%s</mch_id>

<nonce_str>%s</nonce_str>

<out_trade_no>%s</out_trade_no>

<sign>%s</sign>

</xml>''' % (appid,mch_id,nonce_str, out_trade_no, sign)

url = 'https://api.mch.weixin.qq.com/pay/orderquery'

headers = {

'Accept-Language': 'zh-CN,en-US;q=0.8',

# 'Content-Type': 'application/json'

# "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",

"Accept": "application/xml;charset=UTF-8",

}

# 我用requests 出现乱码，用urllib

req = reqt.Request(url, headers=headers, data=xml.encode()) # POST方法

#

page = reqt.urlopen(req).read()

print(page)

page = page.decode('utf-8')

#

print(page)

pattertn2 = re.compile(r'trade_state_desc><!\[CDATA\[(.*?)]]></trade_state_desc')

trade_state_desc = pattertn2.findall(page)[0]

print(trade_state_desc)

if trade_state_desc == '支付成功':

print("匹配成功")

#######################

# 这里处理自己需要的处理的

#######################

self.write("")

def post(self):

print(self.request.body)

self.write("")

def get(self):

total_fee = "20"

# 金额

appid = 'appid'

mch_id = 'mch_id'

body = "微信Demo"

key = ''

host = "域名 "

# 微信填写的备案域名

nonce_str = str(uuid.uuid4()).replace('-', "")[:-3]

# 生成随机字符串

notify_url = 'http://{}/Notify_URL'.format(host)

# 回调函数

wap_name = '腾讯充值'

wap_name.encode('utf-8')

scene_info = {

"h5_info": {"type": "Wap", "wap_url": "http://{}/Notify_wx".format(host), "wap_name": wap_name}}

out_trade_no = get_token(nonce_str)

# md5 加密生成订单编号

ip = self.request.remote_ip

# x_forwarded_for = self.request.META.get('HTTP_X_FORWARDED_FOR')

# print(self.request.META)

# if x_forwarded_for:

# spbill_create_ip = x_forwarded_for.split(',')[0] # 所以这里是真实的ip

# else:

# spbill_create_ip = self.request.META.get('REMOTE_ADDR') # 这里获得代理ip

# 此处 为django获取ip的方法

total_amount = str(int(float(total_fee) * 100))

trade_type = 'MWEB'

signA = "appid=%s&body=%s&mch_id=%s&nonce_str=%s&notify_url=%s&out_trade_no=%s&scene_info=%s&spbill_create_ip=%s&total_fee=%s&trade_type=%s" % (

appid, body, mch_id, nonce_str, notify_url, out_trade_no, scene_info, ip, total_amount,

trade_type)

print(signA)

strSignTmp = signA + "&key=" + key

sign = get_token(strSignTmp).upper()

# 进行MD5加密

print(sign)

post_data = "<xml>"

for i in (signA + "&sign=" + sign).split("&"):

xml1 = i.split("=")[0]

xml2 = i.split("=")[1]

post_data = post_data + '<' + xml1 + '>' + xml2 + '</' + xml1 + '>'

post_data = post_data + '</xml>'

# 组合xml请求

print(post_data)

# post_data.encode('utf-8')

headers = {'Content-Type': 'binary'}

# 解决post_data 中文编码问题

url = "https://api.mch.weixin.qq.com/pay/unifiedorder"

res = requests.post(url, data=post_data.encode(), headers=headers, verify=False)

# 提交订单信息

# res.text.encode('utf-8')

print(res.text.encode('latin_1').decode('utf8'))

pattern = re.compile("<mweb_url><!\[CDATA\[(.*?)]]></mweb_url")

redicrt_url = pattern.findall(res.text)[0]

# 匹配微信回调函数，调用微信app进行支付

self.redirect(redicrt_url)