/// <summary>
/// 构造 DeepLink。
/// </summary>
/// <param name="prepayId">预支付交易会话标识。</param>
/// <returns>用于H5调用微信支付的 DeepLink。</returns>
public static string BuildDeepLink(string prepayId)
{
string nonceStr = Common.Extension.StringExtension.NewNonceStr(32);
string timestamp = DateTime.Now.GetUnixTimestamp().ToString();
#region 获得签名
Dictionary <string, string> dic = new Dictionary <string, string>
{
{ "appid", WeixinApp.DevConfig.AppID },
{ "noncestr", nonceStr },
{ "package", TradeType.WAP.ToString() },
{ "prepayid", prepayId },
{ "timestamp", timestamp }
};
//获取签名。
string sign = ParamsSignerEx.GetSign(dic);
#endregion
StringBuilder sb1 = new StringBuilder();
sb1.AppendFormat("appid={0}", dic["appid"]);
sb1.AppendFormat("&noncestr={0}", dic["noncestr"]);
sb1.AppendFormat("&package={0}", dic["package"]);
sb1.AppendFormat("&prepayid={0}", dic["prepayid"]);
sb1.AppendFormat("&sign={0}", sign);
sb1.AppendFormat("×tamp={0}", dic["timestamp"]);
string string2 = HttpUtility.UrlEncode(sb1.ToString());
return($"weixin://wap/pay?{string2}");
}
/// <summary>
/// 获取微信支付模型对象。
/// </summary>
/// <param name="timestamp">生成签名的时间戳。</param>
/// <param name="nonceStr">生成签名的随机串。</param>
/// <param name="prepayId">预支付交易会话标识。</param>
/// <returns>微信支付模型对象。</returns>
public static WxChooseWXPayModel GetWxChooseWXPayModel(long timestamp, string nonceStr, string prepayId)
{
if (string.IsNullOrEmpty(nonceStr))
{
throw new ObjectNullException(nameof(nonceStr));
}
WxChooseWXPayModel model = new WxChooseWXPayModel()
{
Timestamp = timestamp,
NonceStr = nonceStr,
Package = $"prepay_id={prepayId}"
};
Dictionary <string, string> dic = new Dictionary <string, string>
{
{ "appId", WeixinApp.DevConfig.AppID },
{ "timeStamp", model.Timestamp.ToString() },
{ "nonceStr", model.NonceStr },
{ "package", model.Package },
{ "signType", model.SignType }
};
model.PaySign = ParamsSignerEx.GetSign(dic);
return(model);
}
public void GetSignTest()
{
Dictionary <string, string> dic = new Dictionary <string, string>
{
{ "p1", "p1" },
{ "p2", "p2" }
};
string sign = ParamsSignerEx.GetSign(dic);
Assert.Equal("FA51F2AE815D49B03340352D71775C53", sign);
}