SpringMVC环境搭建

包结构

1.导入相关依赖

    org.springframework
    spring-webmvc
    5.1.9.RELEASE


    javax.servlet
    servlet-api
    2.5


    javax.servlet.jsp
    jsp-api
    2.2


    javax.servlet
    jstl
    1.2

2.配置web.xml

<?xml version="1.0" encoding="UTF-8"?>

    
    
        springmvc
        org.springframework.web.servlet.DispatcherServlet
        
        
            contextConfigLocation
            classpath:springmvc-servlet.xml
        
        
        1
    
    
    
        springmvc
        /
    

    
    
        encoding
        org.springframework.web.filter.CharacterEncodingFilter
        
            encoding
            utf-8
        
    
    
        encoding
        /*
    

3.SpringMVC配置文件

<?xml version="1.0" encoding="UTF-8"?>


    
    

    
    

    
    

    
    
        
        
    

4.Controller

package com.song.controller;

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

@Controller
public class HelloController {
    @RequestMapping("/hello")
    public String hello(Model model) {
        // 封装数据
        model.addAttribute("msg", "Hello,SpringMVCAnnotation");

        return "hello"; //会被视图解析器处理
    }
}

5.view

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


    



${msg}

常见问题

• 404可能原因:结构未添加lib包