目录结构

web.xml

     
         
          
              
       
        HiddenHttpMethodFilter
               
       
        org.springframework.web.filter.HiddenHttpMethodFilter
           
          
              
       
        HiddenHttpMethodFilter
               
       
        /*
           
          
          
              
       
        dispatcherServlet
               
       
        org.springframework.web.servlet.DispatcherServlet
               
               
               
               
       
        1
           
          
              
       
        dispatcherServlet
               
       
        /
           
      
     

dispatcherServlet-servlet.xml

test

package com.springmvc;import java.io.IOException;import java.io.Writer;import java.util.Arrays;import java.util.Date;import java.util.Map;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.CookieValue;import org.springframework.web.bind.annotation.ModelAttribute;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.RequestHeader;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.bind.annotation.SessionAttributes;import org.springframework.web.servlet.ModelAndView;import com.springmvc.entities.User;@SessionAttributes(value = { "user" }, types = { String.class }) // user为键 和string类型的放入session中@RequestMapping("/springmvc")  @Controllerpublic class SpringMVCTest {    private static final String SUCCESS = "success";    @RequestMapping("/testSessionAttributes")    public String testSessionAttributes(Map
     
       map) {        User user = new User("Tom", "123456", "tom@aaaa.com", 15);        map.put("user", user);        map.put("school", "yp");        return SUCCESS;    }    @RequestMapping("/testMap")    public String testMap(Map
      
        map) {        System.out.println(map.getClass().getName());        map.put("names", Arrays.asList("AA", "BB", "CC"));        return SUCCESS;    }    @RequestMapping("/testModelAndView")    public ModelAndView testModelAndView() {        String viewName = SUCCESS;        ModelAndView modelAndView = new ModelAndView(viewName);        modelAndView.addObject("modelAndView", "testModelAndView");        return modelAndView;    }}
      
     

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%>
         testModelAndView        testMap        testSessionAttributes

success.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%>
         ModelAndView :${requestScope.modelAndView}    
        Map: ${requestScope.names}    
        SessionAttributes:    ${sessionScope.user.username}    
    School:${sessionScope.school}