SpringMVC_共享数据

HttpServletRequest 共享数据

@RequestMapping("/html1")
public String testServletAPI(HttpServletRequest request) {
    request.setAttribute("id", "1");
    return "html2";
}

ModelAndView 共享数据

@RequestMapping("/html1")
public ModelAndView testModelAndView() {
    ModelAndView mav = new ModelAndView();

    mav.addObject("id", "1");

    mav.setViewName("html2");
    return mav;
}

Model 共享数据

@RequestMapping("/html1")
public String testModel(Model model) {
    model.addAttribute("id","1");
    return "html2":      
}

Map 共享数据

@RequestMapping("/html1")
public String testMap(Map<String, Object> map) {
    map.put("id","1");
    return "html2";
}

ModelMap 共享数据

@RequestMapping("/html1")
public String testModelMap(ModelMap modelmap) {
    modelMap.addAttribute("id", "1");
    return "html2";
}

HttpSession session共享数据

@RequestMapping("/testSession")
public String testSession(HttpSession session) {
    session.setAttribute("id","1");
    return "html2";
}

HttpSession application共享数据

@RequestMapping("/html1")
public String testApplication(HttpSession session) {
    ServeletContext application = session.getServletContext();
    application.setAttribute("id","1");
    return "html2";
}