public class requestAction3 extends ActionSupport implements ServletRequestAware,ServletContextAware { private HttpServletRequest request; private ServletContext context;//可以通过快捷键来生成 public requestAction3() { System.out.println("Action被创建了"); } @Override public String execute() throws Exception { Map<String, String[]> map = request.getParameterMap(); for (String key:map.keySet() ) { String[] values = map.get(key); System.out.println(key+""+Arrays.toString(values)); } request.setAttribute("attName","attValues111"); request.getSession().setAttribute("sessName","sessValues2"); context.setAttribute("appName","appValues3");//存到application中 return super.execute() ;//这里是返回sucess,可以查看源代码 } @Override public void setServletRequest(HttpServletRequest request) { this.request=request; } @Override public void setServletContext(ServletContext servletContext) { this.context=servletContext; } }