java创建数据库连接

  int count = 0;

  Connection con = null;

  while (count < DBUTIL_PARAM_RECONNECT_TIMES) {

   try {

    /*

    String connUrl = SysInfoReader.instance().getServiceParam("db_pool", BaseConstant.DEFAULT_DATABASE, "poolurl");

    String dbDrv = SysInfoReader.instance().getServiceParam("db_pool", BaseConstant.DEFAULT_DATABASE, "driver");

    String dbLogin = SysInfoReader.instance().getServiceParam("db_pool", BaseConstant.DEFAULT_DATABASE, "login");

    String dbPw = SysInfoReader.instance().getServiceParam("db_pool", BaseConstant.DEFAULT_DATABASE, "password");

    */                     

    String propertiespath="../classes/resource/jdbc-config/jdbc.properties";

    String connUrl = getPropertiesValue(propertiespath,BaseConstant.DEFAULT_DATABASE+".url");

    String dbDrv   = getPropertiesValue(propertiespath,BaseConstant.DEFAULT_DATABASE+".driver");

    String dbLogin = getPropertiesValue(propertiespath,BaseConstant.DEFAULT_DATABASE+".username");

    String dbPw    = getPropertiesValue(propertiespath,BaseConstant.DEFAULT_DATABASE+".password");

    

    Class.forName(dbDrv);

    DriverManager.setLoginTimeout(DBUTIL_PARAM_LOGINTIMEOUT_SECONDS);

    con = DriverManager.getConnection(connUrl, dbLogin, dbPw);

   } catch (Exception e) {

    e.printStackTrace();

   }

   if (con == null) {

    Logger.debug("[DBUtil]*******************DBUtil获取默认数据库连接"+ DBUTIL_PARAM_LOGINTIMEOUT_SECONDS + "秒超时,重连次数count="+ count);

    Thread.sleep(2000);

    count++;

   } else

    break;

  }

  return con;

 }

补充：软件开发 , Java ,