/// <summary>
        /// 分享文件
        /// </summary>
        /// <returns></returns>
        public JsonResult Share()
        {
            string name = Request["name"].ToString();

            if (Maincontrol.ShareFileOrFolder(Maincontrol.GetID(name), Convert.ToInt32(Request["type"].ToString()), Maincontrol.GetFullPath(name), Request["code"].ToString(), Convert.ToDouble(Request["time"].ToString())))
            {
                return(Json(Request["host"].ToString() + "/" + urlconvertor(Maincontrol.GetRelativePath(name))));
            }
            return(null);
        }