/// <summary>
        /// 下载Apk文件
        /// </summary>
        /// <param name="Path"></param>
        /// <param name="Id"></param>
        /// <returns></returns>
        public ActionResult DownApkFile(string Path, int Id)
        {
            IMobileVersionBLL mobileVersionBll = BLLFactory <IMobileVersionBLL> .GetBLL("MobileVersionBLL");

            T_MobileVersion mobileVersion = mobileVersionBll.GetEntity(u => u.Id == Id);

            //获取文件的相对路径
            var path = Server.MapPath(Path);

            //如果客户端信息版本不存在
            if (mobileVersion != null)
            {
                //获取文件名
                var item = mobileVersion.ApkFilePath.Substring(12);

                //如果不包含改路径
                if (!System.IO.File.Exists(path))
                {
                    return(RedirectToAction("MobileVersion", "Error404"));
                }

                return(File(path, "application/octet-stream", item));
            }

            return(RedirectToAction("MobileVersion", "VersionList"));
        }
        public JsonResult DeleteVersion(int id)
        {
            JsonModel jm = new JsonModel();

            IMobileVersionBLL mobileVersionBll = BLLFactory <IMobileVersionBLL> .GetBLL("MobileVersionBLL");

            // 根据指定id值获取实体对象
            var versionInfo = mobileVersionBll.GetEntity(index => index.Id == id);

            if (versionInfo != null)
            {
                //修改平台用户对应的角色集合
                if (mobileVersionBll.DeleteVersion(id))
                {
                    //删除apk文件
                    string apkPath       = versionInfo.ApkFilePath;
                    string fullDirectory = Server.MapPath(apkPath);
                    if (!string.IsNullOrEmpty(apkPath))
                    {
                        FileInfo f = new FileInfo(fullDirectory);
                        if (f.Exists)
                        {
                            f.Delete();
                        }
                    }
                    jm.Content = "删除指定版本" + versionInfo.VersionName + "成功";
                }
            }
            else
            {
                jm.Msg = "该版本不存在";
            }
            return(Json(jm, JsonRequestBehavior.AllowGet));
        }