Rails flash消息帮助程序

Posted 2021-02-26

#FLASH_TYPES = [:error, :warning, :success, :message]
 
  def display_flash(type = nil)
    html = ""
 
    if type.nil?
      FLASH_TYPES.each { |name| html << display_flash(name) }
    else
      return flash[type].blank? ? "" : "<div class="#{type}"><p>#{flash[type]}</p></div>"
    end
 
    html
  end