/// <summary>
/// 创建微信支付的package
/// </summary>
/// <param name="request">支付请求实例</param>
/// <returns></returns>
private String CreatePackage(WeiXinPayRequest request)
{
SortedDictionary <String, String> param = CreatePayParams(request);
String tmpPackageStr = CommonUtil.CreateLinkString(param);
String signValue = CommonUtil.Sign(tmpPackageStr, Config.PartnerKey);
param.Add("sign", signValue);
return(CommonUtil.ArrayToXml(param));
}
/// <summary>
/// 生成js api支付所需的参数或者扫码支付的url
/// </summary>
/// <param name="request">支付请求实例</param>
/// <returns></returns>
public String PayAction(WeiXinPayRequest request)
{
try
{
String payparams = CreatePackage(request);
if (request.Trade_type.Equals(WXTradeType.PRENATIVE))
{
var tmpNative1Params = XmlToDic(payparams);
return(String.Format(Native1UrlFormat, tmpNative1Params["sign"], appid, Config.PartnerId, request.Productid, tmpNative1Params["time_stamp"], tmpNative1Params["nonce_str"]));
}
String res = HttpRequestUtil.Send("POST", PayUrl, payparams);
var tmpResult = XmlToDic(res);
if (tmpResult["return_code"] == Fail)
{
return(tmpResult["return_msg"]);
}
var tmpSignResult = CommonUtil.FilterPara(tmpResult);
if (!IsMD5Sign(tmpSignResult, tmpResult["sign"]))
{
return("签名验证失败");
}
if (tmpResult["result_code"] == Fail)
{
var errMsg = "";
if (!tmpResult.TryGetValue("err_code_des", out errMsg))
{
errMsg = GetErrMsg(tmpResult["err_code"]);
}
return(errMsg);
}
if (tmpResult["trade_type"].Equals(WXTradeType.JSAPI.ToString(), StringComparison.OrdinalIgnoreCase))
{
return(JSApiPay(tmpResult["prepay_id"], request.IsMiniAppPay));
}
if (tmpResult["trade_type"].Equals(WXTradeType.NATIVE.ToString(), StringComparison.OrdinalIgnoreCase))
{
return(NativePay(tmpResult["prepay_id"], tmpResult["code_url"]));
}
return("提交参数错误");
}
catch
{
return("提交参数错误");
}
}
/// <summary>
/// 刷卡支付
/// </summary>
/// <param name="request"></param>
public WeiXinPayResponse Micropay(WeiXinPayRequest request)
{
try
{
SortedDictionary <String, String> param = new SortedDictionary <String, String>();
String noncestr = CommonUtil.CreateNoncestr();
String timeStamp = CommonUtil.GetTimestamp().ToString();
if (timeStamp.Length >= 10)
{
timeStamp = timeStamp.Substring(timeStamp.Length - 10);
}
else
{
timeStamp = timeStamp.PadLeft(10, '0');
}
param.Add("appid", appid);
if (isSubCommercial)
{
if (Config.IsMiniAppPay)
{
param.Add("sub_appid", Config.AppId);
}
param.Add("sub_mch_id", Config.SubPartnerId);
}
param.Add("mch_id", Config.PartnerId);
param.Add("nonce_str", noncestr);
param.Add("body", request.ProductDesc);
param.Add("out_trade_no", request.OutTradeNO);
param.Add("total_fee", request.PayAmount.ToString());
if (!string.IsNullOrEmpty(request.Attach))
{
param.Add("attach", request.Attach);
}
param.Add("spbill_create_ip", request.ClientIP);
param.Add("auth_code", request.AuthCode);
param.Add("sign_type", CommonUtil.SIGN_TYPE_MD5);//签名类型
String tmpPackageStr = CommonUtil.CreateLinkString(param);
String signValue = CommonUtil.Sign(tmpPackageStr, Config.PartnerKey);
param.Add("sign", signValue);
String tmpRes = HttpRequestUtil.Send("POST", MicropayUrl, CommonUtil.ArrayToXml(param), 600);
return(ConvertToPayResponse(tmpRes));
}
catch (Exception ex)
{
return(new WeiXinPayResponse
{
RetCode = Fail,
RetMsg = ex.Message
});
}
}
/// <summary>
/// 扫码支付返回给支付公司信息
/// </summary>
/// <param name="request">支付请求实例</param>
/// <param name="retCode">返回值,SUCCESS成功,其他已retmsg为准</param>
/// <param name="retMsg">错误提示信息</param>
/// <returns></returns>
public String NativeCallbackResponse(WeiXinPayRequest request, String retCode, String retMsg)
{
SortedDictionary <String, String> tmpParams = new SortedDictionary <String, String>();
tmpParams.Add("return_code", retCode);
tmpParams.Add("return_msg", retMsg);
if (retCode == Fail)
{
return(CommonUtil.ArrayToXml(tmpParams));
}
request.Trade_type = WXTradeType.NATIVE;
var tmpNativeRes = PayAction(request);
if (!tmpNativeRes.Contains("prepay_id"))
{
tmpParams["return_code"] = Fail;
tmpParams["return_msg"] = tmpNativeRes;
return(CommonUtil.ArrayToXml(tmpParams));
}
String noncestr = CommonUtil.CreateNoncestr();
var native = JsonConvert.DeserializeObject <NativeRes>(tmpNativeRes);
tmpParams.Add("appid", appid);
tmpParams.Add("mch_id", Config.PartnerId);
tmpParams.Add("nonce_str", noncestr);
tmpParams.Add("prepay_id", native.prepay_id);
tmpParams.Add("result_code", retCode);
tmpParams.Add("err_code_des", retMsg);
string sign = CreatePaySign(tmpParams);
tmpParams.Add("sign", sign);
return(CommonUtil.ArrayToXml(tmpParams));
}
private SortedDictionary <String, String> CreatePayParams(WeiXinPayRequest request)
{
SortedDictionary <String, String> param = new SortedDictionary <String, String>();
String noncestr = CommonUtil.CreateNoncestr();
String timestamp = CommonUtil.GetTimestamp().ToString();
param.Add("appid", appid);
param.Add("mch_id", Config.PartnerId);
param.Add("nonce_str", noncestr);
if (isSubCommercial)
{
if (Config.IsMiniAppPay)
{
param.Add("sub_appid", Config.AppId);
}
param.Add("sub_mch_id", Config.SubPartnerId);
}
switch (request.Trade_type)
{
case WXTradeType.JSAPI:
if (isSubCommercial && Config.IsMiniAppPay)
{
param.Add("sub_openid", request.OpenId);
}
else
{
param.Add("openid", request.OpenId);
}
break;
case WXTradeType.PRENATIVE:
param.Add("time_stamp", timestamp);
param.Add("product_id", request.Productid);
break;
case WXTradeType.NATIVE:
param.Add("product_id", request.Productid);
break;
}
if (!request.Trade_type.Equals(WXTradeType.PRENATIVE))
{
param.Add("body", request.ProductDesc);
param.Add("out_trade_no", request.OutTradeNO);
param.Add("total_fee", request.PayAmount.ToString());
param.Add("spbill_create_ip", request.ClientIP);
param.Add("notify_url", request.NotifyUrl);
param.Add("trade_type", request.Trade_type.ToString());
if (!String.IsNullOrEmpty(request.Attach))
{
param.Add("attach", request.Attach);
}
if (request.StartTime.HasValue && request.ExpireTime.HasValue)
{
param.Add("time_start", request.StartTime.Value.ToString("yyyyMMddHHmmss"));
param.Add("time_expire", request.ExpireTime.Value.ToString("yyyyMMddHHmmss"));
}
}
return(param);
}
public override PayResponse Micropay(PayRequest request)
{
WeiXinPayRequest tmpRequest = request as WeiXinPayRequest;
return(weixin.Micropay(tmpRequest));
}
public override string NativeCallbackResponse(PayRequest request, string retCode, string retMsg)
{
WeiXinPayRequest tmp = request as WeiXinPayRequest;
return(weixin.NativeCallbackResponse(tmp, retCode, retMsg));
}
public override string PayAction(PayRequest request)
{
WeiXinPayRequest tmpRequest = request as WeiXinPayRequest;
return(weixin.PayAction(tmpRequest));
}