/// <summary>
/// 生成支付预处理的 WxPayData
/// </summary>
/// <param name="jsApiPay"></param>
/// <param name="totalfee"></param>
/// <param name="token"></param>
/// <returns></returns>
//public static WxPayData GenerateUnifiedWxPayData(this JsApiPay jsApiPay, string payKey,IWxApp app, Payment payment,string nonceStr)
//{
// var data = new WxPayData();
// var ran = new Random();
// data.Body = "test";
// data.Attach = "test";
// data.OutTradeNo = string.Format("{0}{1}{2}", payment.MchId, DateTime.Now.ToString("yyyyMMddHHmmss"), ran.Next(999));// "150848433120180905090411634"; //
// data.TimeStart = DateTime.Now.ToString("yyyyMMddHHmmss");// "20180905090412";// "20180905091412"; //
// data.TimeExpire = DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"); //"20180905091412"; //
// data.AppId = app.AppId;
// data.OpenId = jsApiPay.OpenId;
// data.TradeType = "JSAPI";
// data.GoodsTag = "test";
// data.MchId = payment.MchId.ToString();
// data.Totalfee = jsApiPay.TotalFee;
// data.NotifyUrl = "https://www.yourc.club/api/";
// data.SpbillCreateIp = "118.24.139.228";
// data.NonceStr = nonceStr;
// data.SignType = WxPayData.SIGN_TYPE_HMAC_SHA256;
// data.Sign = data.MakeSign(payKey);
// //data.ProductId = "12235413214070356458058";
// //data.SceneInfo = "";
// if (data.WithRequired(out string errMsg) == false)
// {
// throw new WeChatPayException(errMsg);
// }
// return data;
//}
public static string PrepareSign(this WxPayData data)
{
var @params = data.GetType().GetProperties().Select((ctx) =>
{
var elm = ctx.GetCustomAttributes <XmlElementAttribute>().FirstOrDefault();
if (elm == null || elm.ElementName.Equals("sign"))
{
return(null);
}
var v = ctx.GetValue(data);
if (v == null)
{
return(null);
}
return(new
{
name = elm.ElementName,
value = v
});
})
.Where(o => o != null)
.OrderBy(o => o.name);//必须对参数排序否则签名不正确
return(string.Join("&", @params.Select(o => string.Format("{0}={1}", o.name, o.value))));
}
