SpringMVC注解式 转发与重定向

@Controllerpublic class Mycontroller {    //转发    @RequestMapping("/adduser")    public String add(HttpServletRequest request){        request.setAttribute("happy","刘");        return "/listuser";    }    @RequestMapping("/listuser")    public String list(){        return "/list.jsp";    }    //重定向    @RequestMapping("/adduser2")    public String add2(HttpServletRequest request){        request.setAttribute("happy","刘");        return "redirect:/listuser";    }    @RequestMapping("/listuser2")    public String list2(){        return "redirect:/list.jsp";    }}

重定向关键字：redirect