Spring MVC 设置请求域

package com.xxxx.springmvc.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import java.util.Map;


@Controller
public class DataController {
    
    @RequestMapping("data01")
    public ModelAndView data01(){
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.addObject("uname","admin1");
        //设置视图
        modelAndView.setViewName("data");

        return modelAndView;
    }

    
    @RequestMapping("data02")
    public ModelAndView data02(ModelAndView modelAndView){

        modelAndView.addObject("uname","admin2");
        //设置视图
        modelAndView.setViewName("data");

        return modelAndView;
    }

    
    @RequestMapping("data03")
    public String data03(HttpServletRequest request){
        request.setAttribute("uname","admin3");
        return "data";
    }


    
    @RequestMapping("data04")
    public String data04(Model model){
        model.addAttribute("uname","admin4");
        return "data";
    }

    
    @RequestMapping("data05")
    public String data05(ModelMap modelMap){
        modelMap.addAttribute("uname","admin5");
        return "data";
    }


    
    @RequestMapping("data06")
    public String data06(Map map){
        map.put("uname","admin6");
        return "data";
    }
    

}