protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

System.out.println("程序正常运行");

Cat catOne=new Cat("小花",2,"布偶猫");

//request.setAttribute("catOne","A");

HttpSession session=request.getSession();

//session.setAttribute("catOne","B");

request.getServletContext().setAttribute("catOne","C");

request.getRequestDispatcher("/sample2_el.jsp").forward(request, response);

}

}