spring-mvc在jsp中，动态显示数据

1 jsp中用￥{paramterName}接受数据

${announce}

2 发送参数方式

①用ModelMap

@RequestMapping("/user/login/page.do")
    public ModelAndView showLoginPage(ModelMap modelMap){
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.setViewName("user_login");
        modelMap.addAttribute("announce","tom");
        return modelAndView;
    }

②用HttpServiceRequest

@RequestMapping("/user/login/page.do")
    public String showLoginPage(HttpServletRequest request){
        request.setAttribute("announce","tom");
        return "user_login";
    }

③用ModelAndView

@RequestMapping("/user/login/page.do")
    public ModelAndView showLoginPage(){
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.setViewName("user_login");
        modelAndView.addObject("announce","tom");
        return modelAndView;
    }