def order_close(out_trade_no):
"""订单关闭接口"""
if out_trade_no is None:
raise ValueError("missing parameter")
# 随机字符串
nonce_str = lib.nonceStr(32)
data = dict()
data["appid"] = config.APPID
data["mch_id"] = config.MCHID
data["out_trade_no"] = out_trade_no
data["nonce_str"] = nonce_str
# 生成签名
data["sign"] = lib.gen_sign(data, key=config.KEY)
# 转化成xml
xml = lib.trans_dict_to_xml(data)
try:
# 发送请求
response = lib.postXml(url=config.ORDER_CLOSE_URL, xml=xml.encode('utf-8'))
except Exception as e:
return {"code": 0, "message": "请求失败"}
# 将结果转化成dict
dict_res = lib.trans_xml_to_dict(xml=response)
if not lib.verify_sign(dict_res):
return {"code": 0, "message": "signature error"}
if "SUCCESS" != dict_res.get("return_code", None):
return {"code": 0, "message": dict_res.get("return_msg", "通讯失败")}
if "SUCCESS" != dict_res.get("result_code", None):
return {"code": 0, "message": dict_res.get("err_code_des", None)}
return {"code": 1, "message": "关闭订单成功"}
def order_query(out_trade_no=None, transaction_id=None):
"""订单查询接口"""
# 随机字符串
nonce_str = lib.nonceStr(32)
if out_trade_no is None and transaction_id is None:
raise ValueError("missing parameter")
data = dict()
data["appid"] = config.APPID
data["mch_id"] = config.MCHID
data["nonce_str"] = nonce_str
if out_trade_no is not None:
data["out_trade_no"] = out_trade_no
else:
data["transaction_id"] = transaction_id
# 生成签名
data["sign"] = lib.gen_sign(data, key=config.KEY)
# 转化成xml
xml = lib.trans_dict_to_xml(data)
try:
# 发送请求
response = lib.postXml(url=config.ORDER_QUERY_URL, xml=xml.encode('utf-8'))
except Exception as e:
return {"code": 0, "message": "查询失败"}
# 将结果转化成dict
dict_res = lib.trans_xml_to_dict(xml=response)
if not lib.verify_sign(dict_res):
return {"code": 0, "message": "signature error"}
if "SUCCESS" != dict_res.get("return_code", None):
return {"code": 0, "message": dict_res.get("return_msg", "通讯失败")}
if "SUCCESS" != dict_res.get("result_code", None):
return {"code": 0, "message": dict_res.get("err_code_des", "查询失败")}
if "SUCCESS" != dict_res.get("trade_state"):
result = {"trade_state": dict_res.get("trade_state", None), "trade_order_no": dict_res.get("trade_order_no", None)}
return {"code": 1, "message": result}
return {"code": 1, "message": dict_res}
def refund_query(transaction_id=None, out_trade_no=None, out_refund_no=None, refund_id=None):
"""退款查询接口"""
if all(value is None for value in (transaction_id, out_trade_no, out_refund_no, refund_id)):
raise ValueError("missing parameter")
# 随机字符串
nonce_str = lib.nonceStr(32)
data = dict()
data["appid"] = config.APPID
data["mch_id"] = config.MCHID
data["out_trade_no"] = out_trade_no
data["nonce_str"] = nonce_str
data["transaction_id"] = transaction_id
data["out_refund_no"] = out_refund_no
data["refund_id"] = refund_id
# 生成签名
data["sign"] = lib.gen_sign(data, key=config.KEY)
# 转化成xml
xml = lib.trans_dict_to_xml(data)
try:
# 发送请求
response = lib.postXml(url=config.REFUND_QUERY_URL, xml=xml)
except Exception as e:
return {"code": 0, "message": "请求失败"}
# 将结果转化成dict
dict_res = lib.trans_xml_to_dict(xml=response)
if not lib.verify_sign(dict_res):
return {"code": 0, "message": "signature error"}
if "SUCCESS" != dict_res.get("return_code", None):
return {"code": 0, "message": dict_res.get("return_msg", "通讯失败")}
if "SUCCESS" != dict_res.get("result_code", None):
return {"code": 0, "message": dict_res.get("err_code_des", None)}
return {"code": 1, "message": dict_res}
def resolve(xml):
"""处理回调通知的支付结果"""
# 将结果转化成dict
dict_res = lib.trans_xml_to_dict(xml=xml)
if not lib.verify_sign(dict_res):
return {"code": 0, "message": "signature error"}
if "SUCCESS" != dict_res.get("return_code", None):
return {"code": 0, "message": dict_res.get("return_msg", "通讯失败")}
response = {"return_code": "SUCCESS"}
response = lib.trans_dict_to_xml(response)
if "SUCCESS" != dict_res.get("result_code", None):
return {"code": 0, "message": dict_res.get("err_code_des", "交易失败"), "response": response}
return {"code": 1, "message": dict_res, "response": response}
def unified_pay(body, out_trade_no, total_fee):
"""统一下单接口"""
# 随机字符串
nonce_str = lib.nonceStr(32)
'''
1.将有效参数转化为dict
2.生成签名
3.将参数转化成xml
4.发送请求
'''
if any(value is None for value in (body, out_trade_no, total_fee)):
raise ValueError("missing parameter")
if int(float(total_fee)) < 1:
return {"code": 0, "message": "金额必须为整型，最小值为1"}
data = dict()
data["appid"] = config.APPID
data["mch_id"] = config.MCHID
data["nonce_str"] = nonce_str
data["trade_type"] = config.TRADE_TYPE
data["out_trade_no"] = str(out_trade_no) # 订单号
data["body"] = str(body) # 商品描述
data["total_fee"] = int(total_fee) # 支付金额(分)
data["spbill_create_ip"] = config.IP # ip
data["notify_url"] = config.NOTIFY_URL # 回调url
# 生成签名
data["sign"] = lib.gen_sign(data, key=config.KEY)
# 转化成xml
xml = lib.trans_dict_to_xml(data)
# print(xml)
try:
# 发送请求
response = lib.postXml(url=config.UNIFIED_ORDER_URL, xml=xml.encode('utf-8'))
except Exception as e:
print(e)
return {"code": 0, "message": "请求下单失败"}
# 将结果转化成dict
dict_res = lib.trans_xml_to_dict(xml=response)
if not lib.verify_sign(dict_res):
return {"code": 0, "message": "签名校验失败"}
if "SUCCESS" != dict_res.get("return_code", None):
return {"code": 0, "message": dict_res.get("return_msg", "通讯失败")}
if "SUCCESS" != dict_res.get("result_code", None):
return {"code": 0, "message": dict_res.get("err_code_des", "订单生成失败")}
result = {"prepay_id": dict_res.get("prepay_id", None), "code_url": dict_res.get("code_url", None)}
return {"code": 1, "message": result}
def refund(out_trade_no, out_refund_no, total_fee, refund_fee, transaction_id=None):
"""申请退款接口"""
if transaction_id is None and any(value is None for value in (out_trade_no, out_refund_no, total_fee, refund_fee)):
raise ValueError("missing parameter")
if transaction_id is not None and any(value is None for value in (out_refund_no, total_fee, refund_fee)):
raise ValueError("missing parameter")
# 随机字符串
nonce_str = lib.nonceStr(32)
data = dict()
data["appid"] = config.APPID
data["mch_id"] = config.MCHID
data["out_trade_no"] = out_trade_no
data["nonce_str"] = nonce_str
data["transaction_id"] = transaction_id
data["out_refund_no"] = out_refund_no
data["total_fee"] = total_fee
data["refund_fee"] = refund_fee
# 生成签名
data["sign"] = lib.gen_sign(data, key=config.KEY)
# 转化成xml
xml = lib.trans_dict_to_xml(data)
try:
# 发送请求
response = lib.postXml(url=config.REFUND_URL, xml=xml.encode('utf-8'))
except Exception as e:
print(e)
return {"code": 0, "message": "请求失败"}
# 将结果转化成dict
dict_res = lib.trans_xml_to_dict(xml=response)
if not lib.verify_sign(dict_res):
return {"code": 0, "message": "signature error"}
if "SUCCESS" != dict_res.get("return_code", None):
return {"code": 0, "message": dict_res.get("return_msg", "通讯失败")}
if "SUCCESS" != dict_res.get("result_code", None):
return {"code": 0, "message": dict_res.get("err_code_des", None)}
return {"code": 1, "message": dict_res}