ModelAndView

package controller;

import model.Address;
import model.User;
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 javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

@Controller
@RequestMapping(value = "/user")
public class AnnoController {

    @RequestMapping("/dobiz.do")
    public ModelAndView doBiz(){
        ModelAndView mv = new ModelAndView("index");
        mv.addObject("mess","hello world1");
        return mv;
    }

    @RequestMapping("/dobiz2.do")
    public ModelAndView doBiz2(){
        ModelAndView mv = new ModelAndView("index");
        mv.addObject("mess","hello world2");
        return mv;
    }

    /**
     * 返回servlet编程
     */
    @RequestMapping("/dobiz3.do")
    public void doBiz3(HttpServletRequest request, HttpServletResponse response) throws Exception{

        String mess = "hello world3";

        request.setAttribute("mess",mess);

        request.getRequestDispatcher("/WEB-INF/jsp/index2.jsp").forward(request,response);
    }

    /**
     * 隐式转发
     * @param request
     * @return
     */
    @RequestMapping("/dobiz4.do")
    public String doBiz4(HttpServletRequest request){

        String mess = "hello world4";

        request.setAttribute("mess",mess);

        return "index";//逻辑视图名
    }

    /**
     * 隐式转发
     * @param model
     * @return
     */
    @RequestMapping("/dobiz5.do")
    public String doBiz5(Model model){

        String mess = "hello world5";
        //封装数据
        model.addAttribute("mess",mess);

        return "index";//逻辑视图名
    }

    /**
     * 显式转发,忽略视图解析器
     * @param model
     * @return
     */
    @RequestMapping("/dobiz6.do")
    public String doBiz6(Model model){

        String mess = "hello world6";
        //封装数据
        model.addAttribute("mess",mess);

       return "forward:/WEB-INF/jsp/index.jsp";

    }

    /**
     * 显式重定向，忽略视图解析器
     * @param model
     * @return
     */
    @RequestMapping("/dobiz7.do")
    public String doBiz7(Model model){

        String mess = "hello world7";
        //封装数据
        model.addAttribute("mess",mess);

        return "redirect:/user/dobiz6.do";

    }

    @RequestMapping("/dobiz8.do")
    public String doBiz8(Map<String,Object> map){
        String mess = "hello world8";
        map.put("mess",mess);
        return "index";
    }

    @RequestMapping("/dobiz9.do")
    public String doBiz9(ModelMap map){
        String mess = "hello world9";
       // map.put("mess",mess);
        map.addAttribute("mess",mess);
        return "index";
    }

    @RequestMapping("/dobiz10.do")
    public ModelAndView doBiz10(ModelAndView mv){
        String mess = "hello world10";
        mv.setViewName("index");
        mv.addObject("mess",mess);
        return mv;
    }
    @RequestMapping("/dobiz11.do")
    public String doBiz11(int id,String username,String password){

        System.out.println(id+","+username+","+password);

        return "index";
    }

    /**
     * 普通POJO传参
     * @param user
     * @param username
     * @return
     */
    @RequestMapping("/dobiz12.do")
    public String doBiz12(User user,String username){

        System.out.println(user.getId()+","+user.getName()+","+user.getPassword());

        System.out.println(username);

        return "index";
    }

    /**
     * 复杂POJO的传参
     * @param user
     * @param
     * @return
     */
    @RequestMapping("/dobiz13.do")
    public String doBiz13(User user){

        System.out.println(user.getId()+","+user.getName()+","+user.getPassword());

        System.out.println(user.getAddr().getName());

        return "index";
    }

    /**
     * 集合类型参数绑定
     * @return
     */
    @RequestMapping("/dobiz14.do")
    public String doBiz14(User user){

        System.out.println(user.getList());

        if(user.getList()!=null){
            for(Address addr:user.getList()){
                System.out.println(addr.getName());
            }
        }
        System.out.println("---------------------------");

        System.out.println(user.getMap());

        return "index";
    }
    @RequestMapping("/toform.do")
    public String toForm(){
        return "form";
    }

    /**
     * 绑定日期对像
     * @param
     * @return
     */
    @RequestMapping("/dobiz15.do")
    public String doBiz15(User user){

        System.out.println(user.getDate());

        return "index";
    }






}