/// <summary>
/// 把请求要素按照“参数=参数值”的模式用“&”字符拼接成字符串
/// </summary>
/// <param name="para">请求要素</param>
/// <param name="sort">是否需要根据key值作升序排列</param>
/// <param name="encode">是否需要URL编码</param>
/// <returns>拼接成的字符串</returns>
public static String CreateLinkString(Dictionary <String, String> para, bool sort, bool encode)
{
List <String> list = new List <String>(para.Keys);
if (sort)
{
list.Sort();
}
StringBuilder sb = new StringBuilder();
foreach (String key in list)
{
String value = para[key];
if (encode && value != null)
{
try
{
value = HttpUtility.UrlEncode(value, Encoding.GetEncoding(UpmpConfig.GetInstance().CHARSET));
}
catch (Exception ex)
{
//LogError(ex);
return("#ERROR: HttpUtility.UrlEncode Error!" + ex.Message);
}
}
sb.Append(key).Append(QSTRING_EQUAL).Append(value).Append(QSTRING_SPLIT);
}
return(sb.Remove(sb.Length - 1, 1).ToString());
}
/// <summary>
/// 交易查询处理
/// </summary>
/// <param name="req">请求要素</param>
/// <param name="resp">应答要素</param>
/// <returns>是否成功</returns>
public static bool Query(Dictionary <String, String> req, Dictionary <String, String> resp)
{
String nvp = BuildReq(req, resp);
String respString = UpmpCore.Post(UpmpConfig.GetInstance().QUERY_URL, nvp);
return(VerifyResponse(respString, resp));
}
/// <summary>
/// 生成签名
/// </summary>
/// <param name="req">需要签名的要素</param>
/// <returns>签名结果字符串</returns>
public static String BuildSignature(Dictionary <String, String> req)
{
// 除去数组中的空值和签名参数
Dictionary <String, String> para = ParaFilter(req);
String prestr = CreateLinkString(para, true, false);
prestr = prestr + QSTRING_SPLIT + MD5(UpmpConfig.GetInstance().SECURITY_KEY);
return(MD5(prestr));
}
/// <summary>
/// 获取UpmpConfig单例
/// </summary>
/// <returns></returns>
public static UpmpConfig GetInstance()
{
if (_instance == null)
{
_instance = new UpmpConfig();
}
return(_instance);
}
/// <summary>
/// 异步通知消息验证
/// </summary>
/// <param name="para">异步通知消息</param>
/// <returns>验证结果</returns>
public static bool VerifySignature(Dictionary <String, String> para)
{
String signature = UpmpCore.BuildSignature(para);
String respSignature = para[UpmpConfig.GetInstance().SIGNATURE];
if (null != respSignature && respSignature.Equals(signature))
{
return(true);
}
return(false);
}
/// <summary>
/// 拼接请求字符串
/// </summary>
/// <param name="req"></param>
/// <param name="resp"></param>
/// <returns></returns>
private static String BuildReq(Dictionary <String, String> req, Dictionary <String, String> resp)
{
// 生成签名结果
String signature = UpmpCore.BuildSignature(req);
// 签名结果与签名方式加入请求提交参数组中
req[UpmpConfig.GetInstance().SIGNATURE] = signature;
req[UpmpConfig.GetInstance().SIGN_METHOD] = UpmpConfig.GetInstance().SIGN_TYPE;
return(UpmpCore.CreateLinkString(req, false, true));
}
/// <summary>
/// 计算MD5
/// </summary>
/// <param name="str">计算MD5的输入字符串</param>
/// <returns>MD5后的结果</returns>
public static string MD5(string str)
{
byte[] MD5Source = Encoding.GetEncoding(UpmpConfig.GetInstance().CHARSET).GetBytes(str);
System.Security.Cryptography.MD5CryptoServiceProvider get_md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[] hash_byte = get_md5.ComputeHash(MD5Source, 0, MD5Source.Length);
string result = System.BitConverter.ToString(hash_byte);
result = result.Replace("-", "");
return(result.ToLower());
}
public TradeResult PayQuery(TradeQueryRequest traderequest)
{
bool tradesuccess = false;
// 请求要素
Dictionary <String, String> req = new Dictionary <String, String>();
req["version"] = UpmpConfig.GetInstance().VERSION; // 版本号
req["charset"] = UpmpConfig.GetInstance().CHARSET; // 字符编码
req["transType"] = "01"; // 交易类型
req["merId"] = UpmpConfig.GetInstance().MER_ID; // 商户代码
req["orderTime"] = traderequest.TradeDate.ToString("yyyyMMddHHmmss"); // 交易开始日期时间yyyyMMddHHmmss
req["orderNumber"] = traderequest.TradeNO; // 订单号(商户根据自己需要生成订单号)
Dictionary <String, String> resp = new Dictionary <String, String>();
if (UpmpService.Query(req, resp))
{
// 服务器应答签名验证成功
if (resp["respCode"] == "00" && resp.ContainsKey("transStatus") && resp["transStatus"] == "00")
{
//StringBuilder rsinpfo = new StringBuilder();
//StringBuilder sbreq = new StringBuilder();
//foreach (var item in req.Keys)
//{
// sbreq.Append(item + "=" + req[item] + "&");
//}
//StringBuilder sbresp = new StringBuilder();
//foreach (var item in resp.Keys)
//{
// sbresp.Append(item + "=" + resp[item] + "&");
//}
//System.Diagnostics.Debug.WriteLine(sbreq.ToString());
//System.Diagnostics.Debug.WriteLine(sbresp.ToString());
tradesuccess = true;
}
}
TradeResult t = new TradeResult()
{
Code = 1,
TradeNO = traderequest.TradeNO,
PayStatus = tradesuccess ? PayStatus.Paid : PayStatus.UnPaid
};
return(t);
}
public NetAppPayPackage ChoosePay(TradeModel trade)
{
NetAppPayPackage package = new NetAppPayPackage()
{
tn = ""
};
// 请求要素
Dictionary <String, String> req = new Dictionary <String, String>();
req["version"] = UpmpConfig.GetInstance().VERSION; // 版本号
req["charset"] = UpmpConfig.GetInstance().CHARSET; // 字符编码
req["transType"] = "01"; // 交易类型
req["merId"] = UpmpConfig.GetInstance().MER_ID; // 商户代码
req["backEndUrl"] = UpmpConfig.GetInstance().MER_BACK_END_URL; // 通知URL
req["frontEndUrl"] = UpmpConfig.GetInstance().MER_FRONT_END_URL; // 前台通知URL(可选)
req["orderDescription"] = trade.Name; // 订单描述(可选)
req["orderTime"] = trade.CreateTime.ToString("yyyyMMddHHmmss"); // 交易开始日期时间yyyyMMddHHmmss
//req["orderTimeout"] = trade.CreateTime.AddMinutes(SysConfig.OrderValidMins).ToString("yyyyMMddHHmmss");// 订单超时时间yyyyMMddHHmmss(可选)
req["orderNumber"] = trade.TradeNO; // 订单号(商户根据自己需要生成订单号)
req["orderAmount"] = trade.Payment.ToString("#0.00").Replace(".", ""); // 订单金额
req["orderCurrency"] = "156"; // 交易币种(可选)
req["reqReserved"] = ""; // 请求方保留域(可选，用于透传商户信息)
// 保留域填充方法
//Dictionary<String, String> merReservedMap = new Dictionary<String, String>();
//merReservedMap["account"] = order.Idcard + "-" + order.Bankcard;
//req["merReserved"] = UpmpService.BuildReserved(merReservedMap);// 商户保留域(可选)
Dictionary <String, String> resp = new Dictionary <String, String>();
//logger.Debug("下单请求:" + string.Join(",", req.Keys) + "==>" + string.Join(",", req.Values));
bool validResp = UpmpService.Trade(req, resp);
//logger.Debug("下单应答:" + string.Join(",", resp.Keys) + "==>" + string.Join(",", resp.Values));
// 验证通过
if (validResp)
{
package.respCode = resp["respCode"];
package.respMsg = resp.ContainsKey("respMsg") ? resp["respMsg"] : "";
package.tn = resp["tn"];
package.transType = resp["transType"];
package.charset = resp["charset"];
package.signature = resp["signature"];
package.signMethod = resp["signMethod"];
}
return(package);
}
/// <summary>
/// 除去请求要素中的空值和签名参数
/// </summary>
/// <param name="para">请求要素</param>
/// <returns>去掉空值与签名参数后的请求要素</returns>
public static Dictionary <String, String> ParaFilter(Dictionary <String, String> para)
{
Dictionary <String, String> result = new Dictionary <String, String>();
if (para == null || para.Count <= 0)
{
return(result);
}
foreach (String key in para.Keys)
{
String value = para[key];
if (value == null || value.Equals("") || String.Equals(key, UpmpConfig.GetInstance().SIGNATURE, StringComparison.CurrentCultureIgnoreCase) ||
String.Equals(key, UpmpConfig.GetInstance().SIGN_METHOD, StringComparison.CurrentCultureIgnoreCase))
{
continue;
}
result[key] = value;
}
return(result);
}
private static void putKeyValueToDictionary(StringBuilder temp, bool isKey, String key, Dictionary <String, String> Dictionary)
{
if (isKey)
{
key = temp.ToString();
if (key.Length == 0)
{
throw new System.Exception("QString format illegal");
}
Dictionary[key] = "";
}
else
{
if (key.Length == 0)
{
throw new System.Exception("QString format illegal");
}
Dictionary[key] = HttpUtility.UrlDecode(temp.ToString(), Encoding.GetEncoding(UpmpConfig.GetInstance().CHARSET));
}
}
/// <summary>
/// 获取UpmpConfig单例
/// </summary>
/// <returns></returns>
public static UpmpConfig GetInstance()
{
if (_instance == null)
{
_instance = new UpmpConfig();
}
return _instance;
}