function t1() {
  console.log("---------------------");
  let logger = new Logger()
  let levels = logger.levels
  logger.set_GMT('GMT+8')
  logger.set_sheet_id("1lqlqztKroBwDZ--VxoYN9Hh_BuwOzbdbowltI7yf2N4")
  logger.set_use_sheet(true)

  // logger.set_level('WARNING')
  logger.set_level(levels.NOTICE)


  console.log(logger.get_config())

  logger.log(levels.EMERGENCY, '這是測試 EMERGENCY !!!!!')
  logger.log(levels.ALERT, '這是測試 ALERT !!!!!')
  logger.log(levels.CRITICAL, '這是測試 CRITICAL !!!!!')
  logger.log(levels.ERROR, '這是測試 ERROR !!!!!')
  logger.log(levels.WARNING, '這是測試 WARNING !!!!!')
  logger.log(levels.DEBUG, '這是測試 DEBUG !!!!!')
  logger.log(levels.INFO, '這是測試 INFO !!!!!')
  logger.log(levels.NOTICE, '這是測試 NOTICE !!!!!')
  logger.emergency('這是測試 EMERGENCY =====')
  logger.alert('這是測試 ALERT =====')
  logger.critical('這是測試 CRITICAL =====')
  logger.error('這是測試 ERROR =====')
  logger.warning('這是測試 WARNING =====')
  logger.debug('這是測試 DEBUG =====')
  logger.info('這是測試 INFO =====')
  logger.notice('這是測試 NOTICE =====')
}

function t2() {
  console.log("---------------------");
  let logger = new Logger()
  console.log(logger.get_config())
  logger.set_level(logger.levels.NOTICE);

  let levels = logger.levels
  logger.log(levels.EMERGENCY, '這是測試 EMERGENCY !!!!!')
  logger.log(levels.ALERT, '這是測試 ALERT !!!!!')
  logger.log(levels.CRITICAL, '這是測試 CRITICAL !!!!!')
  logger.log(levels.ERROR, '這是測試 ERROR !!!!!')
  logger.log(levels.WARNING, '這是測試 WARNING !!!!!')
  logger.log(levels.DEBUG, '這是測試 DEBUG !!!!!')
  logger.log(levels.INFO, '這是測試 INFO !!!!!')
  logger.log(levels.NOTICE, '這是測試 NOTICE !!!!!')
  logger.emergency('這是測試 EMERGENCY =====')
  logger.alert('這是測試 ALERT =====')
  logger.critical('這是測試 CRITICAL =====')
  logger.error('這是測試 ERROR =====')
  logger.warning('這是測試 WARNING =====')
  logger.debug('這是測試 DEBUG =====')
  logger.info('這是測試 INFO =====')
  logger.notice('這是測試 NOTICE =====')
}

function t3() {
  console.log("---------------------");
  var logger = new Logger();
  console.log(logger.get_config());
  logger.set_level(logger.levels.NOTICE);
  logger.use_mail = true;
  logger.application = '這裡填你的應用程式名稱'

  logger.emergency('這是測試 EMERGENCY =====');
  logger.alert('這是測試 ALERT =====');
  logger.critical('這是測試 CRITICAL =====');
  logger.error('這是測試 ERROR =====');
  logger.warning('這是測試 WARNING =====');
  logger.debug('這是測試 DEBUG =====');
  logger.info('這是測試 INFO =====');
  logger.notice('這是測試 NOTICE =====');
}

function t4() {
  console.log("---------------------");
  var logger = new Logger();
  logger.set_config(
    "xxx123",
    "log_2020/07/13",
    "%{datefmt} %{levelname} : %{message}",
    "GMT+0",
    "yyyy.MM.dd HH:mm:ss",
    'INFO'
  )
  console.log(logger.get_config());
}