/// <summary>
        /// 下载最新版,初始化连接字符串.
        /// </summary>
        /// <returns></returns>
        public static bool downloadTheLatestVersionAndInitConnStr()
        {
            //=====================================================================
            // Project Name        :    BaseDao
            // Project Description :
            // Class Name          :    Class1
            // File Name           :    Class1
            // Namespace           :    BaseDao
            // Class Version       :    v1.0.0.0
            // Class Description   :
            // CLR                 :    4.0.30319.42000
            // Author              :    董   魁  ([email protected])
            // Addr                :    中国  陕西 咸阳
            // Create Time         :    2019-10-22 14:57:19
            // Modifier:
            // Update Time         :    2019-10-22 14:57:19
            //======================================================================
            // Copyright © DGCZ  2019 . All rights reserved.
            // =====================================================================
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            if (!File.Exists(Application.StartupPath + "\\flexflow.cfg"))
            {
                MessageBox.Show(string.Format(@"文件:{0},未找到!", Application.StartupPath + "\\flexflow.cfg"), "提示:", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return(false);
            }
            XmlFlexflow.configFilePath = Application.StartupPath + "\\flexflow.cfg";
            string ftpIPADDR = XmlFlexflow.ReadXmlNodeValue("FTP_IPADDR");

            releaseVersion = string.Empty;
            //先测试是否可以ping通
            if (!ConnectByPing.pingTheAddress(ftpIPADDR))
            {
                MessageBox.Show("未能与版本服务器: " + ftpIPADDR + "取得联系!", "提示: ", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return(false);
            }
            //检查软件版本
            MSG msg = CheckAppVerionByFTP.checkAppVersionAndOutReleaseVersion(ftpIPADDR, out releaseVersion);

            if (!msg.Flag)
            {
                if (!msg.Msg.Contains("更新"))
                {
                    return(false);
                }
                //自动升级。
                //判断是否存在update文件
                if (!Directory.Exists(Application.StartupPath + "\\update"))
                {
                    //给出提示:
                    MessageBox.Show("未发现升级目录: " + Application.StartupPath + "\\update", "提示:", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    return(false);
                }
                //进行升级
                CmdHelper.LaunchBatOrExe(string.Format(@"{0}\update\UpdateProgram.exe", Application.StartupPath), Application.ProductName + " " + releaseVersion);
                //进行升级时,也需要退出,防止覆盖时,提示文件正在使用中。
                return(false);
            }
            return(true);
        }
        /// <summary>
        ///  OracleDaoHelper,SqlDaoHelper 数据库的连接字符串赋值
        /// </summary>
        /// <returns></returns>
        public static bool setTheValueOfTheConnStr(out bool flag_open_mesSqlConn)
        {
            #region 数据库联接测试。
            string host_Name    = XmlFlexflow.ReadXmlNodeValue("SERVER_NAME");
            string service_Name = XmlFlexflow.ReadXmlNodeValue("SERVICE_NAME");
            string user_Id      = XmlFlexflow.ReadXmlNodeValue("USER_ID");
            string password     = XmlFlexflow.ReadXmlNodeValue("PASSWORD");

            string mes_host_Name = XmlFlexflow.ReadXmlNodeValue("MES_SERVER_NAME");
            string mes_db_Name   = XmlFlexflow.ReadXmlNodeValue("MES_DATABASE_NAME");
            string mes_user_Id   = XmlFlexflow.ReadXmlNodeValue("MES_USER_ID");
            string mes_password  = XmlFlexflow.ReadXmlNodeValue("MES_PASSWORD");
            XmlFlexflow.configFilePath = System.Windows.Forms.Application.StartupPath + "\\flexflow.cfg";
            //先测试是否可以ping通
            if (!ConnectByPing.pingTheAddress(mes_host_Name))
            {
                MessageBox.Show("与" + host_Name + " 连接失败!", "提示: ", MessageBoxButtons.OK, MessageBoxIcon.Information);
                flag_open_mesSqlConn = false;
                return(false);
            }
            #endregion
            //再这个启动类里,对对象进行初始化。
            OracleDaoHelper daoHelper = new OracleDaoHelper(host_Name, service_Name, user_Id, password);
            SqlDaoHelper    sqlHelper = new SqlDaoHelper(mes_host_Name, mes_db_Name, mes_user_Id, mes_password);
            SqlConnection   sqlConn   = new SqlConnection(SqlDaoHelper.conn_str);
            try
            {
                sqlConn.Open();
                sqlConn.Close();
                sqlConn.Dispose();
                flag_open_mesSqlConn = true;
                return(true);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
                MessageBox.Show("基于MES_制卡系统中的所属部门,组将无法获取");
                flag_open_mesSqlConn = false;
                return(false);
            }
        }