SpringMVC参数传递

@Controller
@RequestMapping("/account")
public class AccountController {

    //也可以不创建ModelAndView，直接在参数中指定
    @RequestMapping(value = "/findAccount8")
    public ModelAndView findAccount8(ModelAndView mv) {
        mv.addObject("msg", "欢迎你 springmvc");
        mv.setViewName("success");
        return mv;
    }
}

ModelAndView参数传递

@Controller
@RequestMapping("/account")
public class AccountController {

    @RequestMapping(value = "/findAccount9")
    public String findAccount9(Model model) {
        model.addAttribute("msg", "欢迎你 springmvc");
        return "success";
    }
}

Model参数传递

@Controller
@RequestMapping("/account")
public class AccountController {

    @RequestMapping("/findAccount10")
    public String findAccount10(HttpServletRequest request, 
                                HttpServletResponse response){
        request.setAttribute("msg","欢迎你 springmvc");
        return "success";
    }
}

ServletAPI传递