/// <summary>
/// 获取微信预支付信息包
/// </summary>
/// <returns></returns>
private static string GetWxPayPackage(OnLinePayOrder orderReturn, string paytype, string openid,
string authority)
{
string domain = string.IsNullOrEmpty(AppConfig.FrontSiteDomain) ? authority : AppConfig.FrontSiteDomain;
WxPayInfo wx = new WxPayInfo
{
AppID = ApplicationSettings.Get(paytype == "wx" ? "WXAPPID" : "WXNATIVEAPPID"),
AppSecret = ApplicationSettings.Get(paytype == "wx" ? "WXAPPSECRET" : "WXNATIVESECRET"),
// ReSharper disable once SpecifyACultureInStringConversionExplicitly
Body = orderReturn.Amount.ToString(),
Key = ApplicationSettings.Get(paytype == "wx" ? "WXAPPKEY" : "WXNATIVEKEY"),
Mchid = ApplicationSettings.Get(paytype == "wx" ? "WXAPPMCHID" : "WXNATIVEMCHID"),
NotifyUrl = "http://" + domain + "/Notify/" + (paytype == "wx" ? "WxApp.aspx" : "WxWeb.aspx"),
OpenId = openid,
OutTradeNo = orderReturn.OrderID,
TotalFee = (orderReturn.Amount * 100).ToString("F0"),
TradeType = paytype == "wx" ? "APP" : "JSAPI"
};
WxPayHelper helper = new WxPayHelper(wx);
return(helper.GetPrepayIDSign());
}