操作combobox下拉式選單

  #@driver.find_element(:id, "login_server").SelectByText("領域 7")
  select = @driver.find_element(:id, 'login_server')
  option = Selenium::WebDriver::Support::Select.new(select)
  #option.select_by(:text, '領域 7')
  option.select_by(:index, 6)