public RESTfulModel WXUnifiedOrder(string outTradeNo, string ip, int period, string tradeType)
{
try
{
string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
#region 验证参数
RESTfulModel cv_OutTradeNo = ClientValidateOutTradeNo(outTradeNo);
if (cv_OutTradeNo.Code != 0)
{
return(cv_OutTradeNo);
}
RESTfulModel cv_Period = ClientValidatePeriod(period);
if (cv_Period.Code != 0)
{
return(cv_Period);
}
#endregion
#region 验证商户订单是否存在
PayModel payModel = payDAL.GetByOutTradeNo(outTradeNo);
if (payModel == null)
{
return(new RESTfulModel()
{
Code = (int)CodeEnum.商户订单号不存在, Msg = codeMsgDAL.GetByCode((int)CodeEnum.商户订单号不存在)
});
}
#endregion
#region 获取微信签约信息
WXConfigModel wxConfigModel = wxConfigDAL.GetByAuthorizerAppID(payModel.AuthorizerAppID);
if (wxConfigModel == null)
{
return(new RESTfulModel()
{
Code = (int)CodeEnum.平台号不存在, Msg = codeMsgDAL.GetByCode((int)CodeEnum.平台号不存在)
});
}
#endregion
DateTime dt = DateTime.Now;
SortedDictionary <string, object> sortedDictionary_to = new SortedDictionary <string, object>();
#region sortedDictionary装填参数
sortedDictionary_to["appid"] = wxConfigModel.AuthorizerAppID;
sortedDictionary_to["mch_id"] = wxConfigModel.MCHID;
sortedDictionary_to["nonce_str"] = NonceStrHelper.GenerateNonceStr();
sortedDictionary_to["body"] = payModel.Body;
sortedDictionary_to["out_trade_no"] = outTradeNo;
sortedDictionary_to["total_fee"] = payModel.TotalFee;
sortedDictionary_to["spbill_create_ip"] = ip;
sortedDictionary_to["time_start"] = dt.ToString("yyyyMMddHHmmss");
sortedDictionary_to["time_expire"] = dt.AddMinutes(period).ToString("yyyyMMddHHmmss");
sortedDictionary_to["notify_url"] = wxConfigModel.NOTIFY_URL;
sortedDictionary_to["trade_type"] = tradeType;
if (tradeType == "JSAPI")
{
sortedDictionary_to["openid"] = payModel.OpenID;
}
#endregion
#region &参数，得到sign
string para_to = "";
if (sortedDictionary_to.Count > 0)
{
foreach (KeyValuePair <string, object> pair in sortedDictionary_to)
{
if (pair.Key != "sign" && pair.Value.ToString() != "")
{
para_to += pair.Key + "=" + pair.Value + "&";
}
}
}
para_to += "key=" + wxConfigModel.KEY;
var bs_to = MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(para_to));
var sb_to = new StringBuilder();
foreach (byte b in bs_to)
{
sb_to.Append(b.ToString("x2"));
}
sortedDictionary_to["sign"] = sb_to.ToString().ToUpper();
#endregion
#region 序列化xml
string xml_to = "<xml>";
if (sortedDictionary_to.Count > 0)
{
foreach (KeyValuePair <string, object> pair in sortedDictionary_to)
{
if (pair.Value.GetType() == typeof(int))
{
xml_to += "<" + pair.Key + ">" + pair.Value + "</" + pair.Key + ">";
}
else if (pair.Value.GetType() == typeof(string))
{
xml_to += "<" + pair.Key + ">" + "<![CDATA[" + pair.Value + "]]></" + pair.Key + ">";
}
}
}
xml_to += "</xml>";
#endregion
LogHelper.Info_wx("unifiedorder request: ", xml_to);
#region 发请求
string xml_from = string.Empty;
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback((a, b, c, d) => { return(true); });
}
request.Method = "POST";
request.ContentType = "text/xml";
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(xml_to);
Stream reqest_stream = request.GetRequestStream();
reqest_stream.Write(bytes, 0, bytes.Length);
reqest_stream.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
StreamReader streamReader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
xml_from = streamReader.ReadToEnd().Trim();
#endregion
LogHelper.Info_wx("unifiedorder response: ", xml_from);
SortedDictionary <string, object> sortedDictionary_from = new SortedDictionary <string, object>();
#region 解析xml
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xml_from);
XmlNode xmlNode = xmlDoc.FirstChild;//获取到根节点<xml>
XmlNodeList nodes = xmlNode.ChildNodes;
foreach (XmlNode xn in nodes)
{
XmlElement xe = (XmlElement)xn;
sortedDictionary_from[xe.Name] = xe.InnerText;//获取xml的键值对到WxPayData内部的数据中
}
#endregion
#region 操作
if ("SUCCESS" == sortedDictionary_from["return_code"].ToString())
{
#region &参数，得到sign
string para_from = "";
if (sortedDictionary_from.Count > 0)
{
foreach (KeyValuePair <string, object> pair in sortedDictionary_from)
{
if (pair.Key != "sign" && pair.Value.ToString() != "")
{
para_from += pair.Key + "=" + pair.Value + "&";
}
}
}
para_from += "key=" + wxConfigModel.KEY;
var bs_from = MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(para_from));
var sb_from = new StringBuilder();
foreach (byte b in bs_from)
{
sb_from.Append(b.ToString("x2"));
}
string sign_from = sb_from.ToString().ToUpper();
#endregion
if (sign_from == sortedDictionary_from["sign"].ToString())
{
if ("SUCCESS" == sortedDictionary_from["result_code"].ToString())
{
#region sortedDictionary装填参数
SortedDictionary <string, object> sortedDictionary_res = new SortedDictionary <string, object>();
sortedDictionary_res["appid"] = sortedDictionary_from["appid"];
sortedDictionary_res["partnerid"] = sortedDictionary_from["mch_id"];
sortedDictionary_res["prepayid"] = sortedDictionary_from["prepay_id"];
sortedDictionary_res["package"] = "Sign=WXPay";
sortedDictionary_res["noncestr"] = NonceStrHelper.GenerateNonceStr();
sortedDictionary_res["timestamp"] = TimestampHelper.GenerateTimeStamp();
#endregion
#region &参数，得到sign
string para_res = "";
if (sortedDictionary_res.Count > 0)
{
foreach (KeyValuePair <string, object> pair in sortedDictionary_res)
{
if (pair.Key != "sign" && pair.Value.ToString() != "")
{
para_res += pair.Key + "=" + pair.Value + "&";
}
}
}
para_res += "key=" + wxConfigModel.KEY;
var bs_res = MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(para_res));
var sb_res = new StringBuilder();
foreach (byte b in bs_res)
{
sb_res.Append(b.ToString("x2"));
}
sortedDictionary_res["sign"] = sb_res.ToString().ToUpper();
#endregion
return(new RESTfulModel()
{
Code = (int)CodeEnum.成功, Msg = codeMsgDAL.GetByCode((int)CodeEnum.成功), Data = sortedDictionary_res
});
}
return(new RESTfulModel()
{
Code = (int)CodeEnum.单失败, Msg = string.Format(codeMsgDAL.GetByCode((int)CodeEnum.单失败), "err_code: " + sortedDictionary_from["err_code"].ToString() + ", err_code_des: " + sortedDictionary_from["err_code_des"].ToString())
});
}
return(new RESTfulModel()
{
Code = (int)CodeEnum.Sign验证失败, Msg = codeMsgDAL.GetByCode((int)CodeEnum.Sign验证失败)
});
}
return(new RESTfulModel()
{
Code = (int)CodeEnum.通信异常, Msg = string.Format(codeMsgDAL.GetByCode((int)CodeEnum.通信异常), "return_msg: " + sortedDictionary_from["return_msg"].ToString())
});
#endregion
}
catch (Exception ex)
{
LogHelper.Error(ex);
return(new RESTfulModel()
{
Code = (int)CodeEnum.系统异常, Msg = codeMsgDAL.GetByCode((int)CodeEnum.系统异常)
});
}
}
