public bool VerifyNotifyValue(NameValueCollection nvc,
string partnerKey, string notifyUrl, string encoding)
{
//进行排序；
string[] Sortedstr = PaymentHelper.BubbleSort(nvc.AllKeys);
//构造待md5摘要字符串 ；
StringBuilder presb = new StringBuilder(1024);
for (int i = 0; i < Sortedstr.Length; i++)
{
if (!string.IsNullOrEmpty(nvc[Sortedstr[i]]) &&
Sortedstr[i] != "sign" &&
Sortedstr[i] != "sign_type")
{
presb.Append(Sortedstr[i]);
presb.Append("=");
presb.Append(nvc[Sortedstr[i]]);
if (i != Sortedstr.Length - 1)
{
presb.Append("&");
}
}
}
presb.Append(partnerKey);
bool md5Check = (PaymentHelper.GetMD5
(presb.ToString(), encoding) == nvc["sign"]);
string notifyId = nvc["notify_id"];
if (!string.IsNullOrEmpty(notifyId) && md5Check)
{
return(VerifyNotifyRequest(notifyId, notifyUrl));
}
else //如果不需要向支付宝验证通知是否合法，直接返回md5check结果
{
return(md5Check);
}
}
/// <summary>
/// 创建支付宝URL
/// </summary>
/// <param name="gateway">支付接口</param>
/// <param name="service">接口类型</param>
/// <param name="partner">合作伙伴ID</param>
/// <param name="sign_type">签名类型</param>
/// <param name="out_trade_no">订单号</param>
/// <param name="subject">商品名称</param>
/// <param name="body">商品描述</param>
/// <param name="payment_type">支付类型</param>
/// <param name="total_fee">总金额0.01～50000.00</param>
/// <param name="show_url">展示地址</param>
/// <param name="seller_email">卖家账号</param>
/// <param name="key">partner账户的支付宝安全校验码</param>
/// <param name="return_url">服务器通知返回页面,注意url不能带任何querysting(f**k ALIPay)</param>
/// <param name="encoding">partner账户的支付宝安全校验码</param>
/// <param name="notify_url">服务器通知接口,注意url不能带任何querysting(f**k ALIPay)</param>
/// <returns>跳转的URL</returns>
public string CreatUrl(
string gateway,
string service,
string partner,
string sign_type,
string out_trade_no,
string subject,
string body,
string payment_type,
string total_fee,
string show_url,
string seller_email,
string key,
string return_url,
string encoding,
string notify_url
)
{
int i;
//构造数组；
string[] Oristr =
{
"service=" + service,
"partner=" + partner,
"subject=" + subject,
"body=" + body,
"out_trade_no=" + out_trade_no,
"total_fee=" + total_fee,
"show_url=" + show_url,
"payment_type=" + payment_type,
"seller_email=" + seller_email,
"notify_url=" + notify_url,
"_input_charset=" + encoding,
"return_url=" + return_url
};
//进行排序；
string[] Sortedstr = PaymentHelper.BubbleSort(Oristr);
//构造待md5摘要字符串 ；
StringBuilder prestr = new StringBuilder(2048);
for (i = 0; i < Sortedstr.Length; i++)
{
if (i == Sortedstr.Length - 1)
{
prestr.Append(Sortedstr[i]);
}
else
{
prestr.Append(Sortedstr[i] + "&");
}
}
prestr.Append(key);
//生成Md5摘要；
string sign = PaymentHelper.GetMD5(prestr.ToString(), encoding);
//构造支付Url；
char[] delimiterChars = { '=' };
StringBuilder parameter = new StringBuilder(2048);
parameter.Append(gateway);
parameter.Append("?");
for (i = 0; i < Sortedstr.Length; i++)
{
parameter.Append(Sortedstr[i].Split(delimiterChars)[0] + "=" +
HttpUtility.UrlEncode(Sortedstr[i].Split(delimiterChars)[1]) + "&");
}
parameter.Append("sign=" + sign + "&sign_type=" + sign_type);
//返回支付Url；
return(parameter.ToString());
}