private static string getAccessToken(bool ReFlushToken) { if (string.IsNullOrEmpty(_AccessToken) || (DateTime.Now - _LastAccessTokenDateTime).TotalMinutes >= 7100 || ReFlushToken == true) { HttpResult result = HttpHelperTools.SendGet("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + BaseModel.appid + "&secret=" + BaseModel.secret); if (result.StatusCode == System.Net.HttpStatusCode.OK) { _AccessToken = JsonTools.GetIdValue <string>(result.Html, "access_token"); _LastAccessTokenDateTime = DateTime.Now; } else { throw new Exception("ERROR getAccessToken"); } } return(_AccessToken); }