/// <summary>
/// 卡券签名
/// 1.将 api_ticket（特别说明：api_ticket 相较 appsecret 安全性更高，同时兼容老版本文档中使用的 appsecret 作为签名凭证。）、app_id、location_id、times_tamp、nonce_str、card_id、card_type的value值进行字符串的字典序排序。
/// 2.将所有参数字符串拼接成一个字符串进行sha1加密，得到cardSign。
/// </summary>
/// <param name="apiTicket"></param>
/// <param name="noncestr"></param>
/// <param name="timestamp"></param>
/// <returns></returns>
public static string MakeCardSign(string apiTicket, out string noncestr, out string timestamp)
{
string cardSign = string.Empty;
try
{
string param = string.Empty;
noncestr = WeChatPayData.MakeNonceStr();
timestamp = WeChatPayData.MakeTimeStamp();
WeChatPayData signData = new WeChatPayData();
signData.SetValue(apiTicket, apiTicket);
signData.SetValue(Config.APPID, Config.APPID);
signData.SetValue(timestamp, timestamp);
signData.SetValue(noncestr, noncestr);
//参与加密的参数value连接成字符串
foreach (KeyValuePair <string, object> kvp in signData.GetValues())
{
param += kvp.Key;
}
Log.Debug("MakeJsAPISign", "SHA1 encrypt param : " + param);
//SHA1加密
cardSign = FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1");
Log.Debug("MakeJsAPISign", "SHA1 encrypt result : " + cardSign);
}
catch (Exception ex)
{
Log.Error("MakeJsAPISign", ex.ToString());
throw ex;
}
return(cardSign);
}
public string GetPrePayUrl(string out_trade_no)
{
Log.Info("微信端二维码生成开始...");
WeChatPayData data = new WeChatPayData();
data.SetValue("appid", BasicConfig.WeChat_AppId); //公众帐号id
data.SetValue("mch_id", BasicConfig.WeChat_MchId); //商户号
data.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
data.SetValue("product_id", out_trade_no); //商品ID
data.SetValue("time_stamp", DateTimeUtil.DateTimeToUnixTimestamp(DateTime.Now)); //时间戳
data.SetValue("sign", data.MakeSign(BasicConfig.WeChat_AppKey)); //签名
string str = ToUrlParams(data.GetValues()); //转换为URL串
string url = "weixin://wxpay/bizpayurl?" + str;
Log.Info("微信端二维码生成结束,二维码Url : " + url);
return(url);
}
