Action访问ServletAPI

• 取得Map类型的request、session、application
  
  • 属性
    
    • java request = (Map)ActionContext.getContext().get("request");
    • java session = (Map)Action.Context.getContext().getSession();
    • java application = (Map)ActionContext.getContext().getApplication();
  • IoC(Inversion Of Control, 控制反转)：RequestAware、SessionAware、ApplicationAware

• 取得真实类型的HttpServletRequest、HttpSession、ServletContext

  • ServletActionContext.getContext()

  private HttpServletRequest;private HttpSession;private ServletContext application;public AccessServletAPIAction3(){    this.request = ServletActionContext.getRequest();    this.session = this.request.getSession();    this.application = ServletActionContext.getServletContext();}

  • ServletRequestAware、SerlvetResponseAware、ServletContextAware;似乎也是控制反转