private string BuildRequest(string orderNo, string subject, decimal totalAmt, EnumAliPayTradeType aliPayType)
{
var signType = aliPayType == EnumAliPayTradeType.APP ? EnumSignType.RSA : EnumSignType.MD5;
SortedDictionary<string, string> dicParam = CreateParam(orderNo, subject, totalAmt, aliPayType);
string urlParam = CreateURLParamString(dicParam, aliPayType);
string sign = BuildRequestsign(urlParam, signType);
dicParam.Add("sign_type", signType.ToString());
if (aliPayType == EnumAliPayTradeType.APP)
{
//APP支付URL字段须进行URL编码，具体出处参看官方文档
sign=HttpUtility.UrlEncode(sign, Encoding.UTF8);
return urlParam + "&sign=\"" + sign + "\"&sign_type=\"" + signType.ToString() + "\"";
}
else
{
dicParam.Add("sign", sign);
return BuildForm(dicParam);
}
}
public string BuildAliPay(string orderNo, string subject, decimal payAmount, EnumAliPayTradeType tradeType)
{
return this.BuildRequest(orderNo, subject, payAmount, tradeType);
}
private string CreateURLParamString(SortedDictionary<string, string> dicArray, EnumAliPayTradeType type = EnumAliPayTradeType.Website)
{
StringBuilder prestr = new StringBuilder();
foreach (KeyValuePair<string, string> temp in dicArray.OrderBy(o => o.Key))
{
if (type == EnumAliPayTradeType.APP)
prestr.Append(temp.Key + "=\"" + temp.Value + "\"&");
else
prestr.Append(temp.Key + "=" + temp.Value + "&");
}
int nLen = prestr.Length;
prestr.Remove(nLen - 1, 1);
return prestr.ToString();
}
private SortedDictionary<string, string> CreateParam(string orderNo, string subject, decimal totalAmt, EnumAliPayTradeType aliPayType)
{
SortedDictionary<string, string> dic = new SortedDictionary<string, string>();
#region BASEPARAM
string service = aliPayType == EnumAliPayTradeType.Website ? AlipayConfig.ALIPay_WEB_SERVICE
: aliPayType == EnumAliPayTradeType.Wap ? AlipayConfig.ALIPay_WAP_SERVICE
: aliPayType == EnumAliPayTradeType.APP ? AlipayConfig.ALIPay_MOBILE_SERVICE
: "";
dic.Add("service", service);
dic.Add("partner", AlipayConfig.ALI_PARTER);
dic.Add("_input_charset", AlipayConfig.CHARTSET);
dic.Add("notify_url", AlipayConfig.ALIPay_NotifyURL);
//dic.Add("sign_type", SIGNTYPE);
#endregion
#region BIZPARAM
dic.Add("out_trade_no", orderNo);
dic.Add("subject", subject);
dic.Add("payment_type", AlipayConfig.PAYMENT_TYPE);
dic.Add("total_fee", totalAmt.ToString("F2"));
//dic.Add("seller_email", ALI_SELLEREMAIL);
dic.Add("seller_id", AlipayConfig.ALI_SELLERID);
//dic.Add("anti_phishing_key", anti_phishing_key);//防钓鱼时间戳,如果已申请开通防钓鱼证，则此字段必填。
//dic.Add("exter_invoke_ip", exter_invoke_ip);//客户端 IP ,如果商户申请后台开通防钓鱼 IP地址检查选项，此字段必填，校验用。
#endregion
if (aliPayType == EnumAliPayTradeType.APP)
dic.Add("body", subject + "购买");
return dic;
}
private string BuildRequest(string orderNo, string subject, decimal totalAmt, EnumAliPayTradeType aliPayType)
{
var signType = aliPayType == EnumAliPayTradeType.APP ? EnumSignType.RSA : EnumSignType.MD5;
SortedDictionary <string, string> dicParam = CreateParam(orderNo, subject, totalAmt, aliPayType);
string urlParam = CreateURLParamString(dicParam, aliPayType);
string sign = BuildRequestsign(urlParam, signType);
dicParam.Add("sign_type", signType.ToString());
if (aliPayType == EnumAliPayTradeType.APP)
{
//APP支付URL字段须进行URL编码，具体出处参看官方文档
sign = HttpUtility.UrlEncode(sign, Encoding.UTF8);
return(urlParam + "&sign=\"" + sign + "\"&sign_type=\"" + signType.ToString() + "\"");
}
else
{
dicParam.Add("sign", sign);
return(BuildForm(dicParam));
}
}
private string CreateURLParamString(SortedDictionary <string, string> dicArray, EnumAliPayTradeType type = EnumAliPayTradeType.Website)
{
StringBuilder prestr = new StringBuilder();
foreach (KeyValuePair <string, string> temp in dicArray.OrderBy(o => o.Key))
{
if (type == EnumAliPayTradeType.APP)
{
prestr.Append(temp.Key + "=\"" + temp.Value + "\"&");
}
else
{
prestr.Append(temp.Key + "=" + temp.Value + "&");
}
}
int nLen = prestr.Length;
prestr.Remove(nLen - 1, 1);
return(prestr.ToString());
}
public string BuildAliPay(string orderNo, string subject, decimal payAmount, EnumAliPayTradeType tradeType)
{
return(this.BuildRequest(orderNo, subject, payAmount, tradeType));
}
private SortedDictionary <string, string> CreateParam(string orderNo, string subject, decimal totalAmt, EnumAliPayTradeType aliPayType)
{
SortedDictionary <string, string> dic = new SortedDictionary <string, string>();
#region BASEPARAM
string service = aliPayType == EnumAliPayTradeType.Website ? AlipayConfig.ALIPay_WEB_SERVICE
: aliPayType == EnumAliPayTradeType.Wap ? AlipayConfig.ALIPay_WAP_SERVICE
: aliPayType == EnumAliPayTradeType.APP ? AlipayConfig.ALIPay_MOBILE_SERVICE
: "";
dic.Add("service", service);
dic.Add("partner", AlipayConfig.ALI_PARTER);
dic.Add("_input_charset", AlipayConfig.CHARTSET);
dic.Add("notify_url", AlipayConfig.ALIPay_NotifyURL);
//dic.Add("sign_type", SIGNTYPE);
#endregion
#region BIZPARAM
dic.Add("out_trade_no", orderNo);
dic.Add("subject", subject);
dic.Add("payment_type", AlipayConfig.PAYMENT_TYPE);
dic.Add("total_fee", totalAmt.ToString("F2"));
//dic.Add("seller_email", ALI_SELLEREMAIL);
dic.Add("seller_id", AlipayConfig.ALI_SELLERID);
//dic.Add("anti_phishing_key", anti_phishing_key);//防钓鱼时间戳,如果已申请开通防钓鱼证，则此字段必填。
//dic.Add("exter_invoke_ip", exter_invoke_ip);//客户端 IP ,如果商户申请后台开通防钓鱼 IP地址检查选项，此字段必填，校验用。
#endregion
if (aliPayType == EnumAliPayTradeType.APP)
{
dic.Add("body", subject + "购买");
}
return(dic);
}
