SpringMVC

Spring MVC 是 Spring 提供的一个基于 MVC 设计模式的轻量级 Web 开发框架，本质上相当于 Servlet。

需要的jar

 

web.xml配置SpringMVC

xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    id="WebApp_ID" version="3.0">
    <display-name>spring_mvc_lx01display-name>
    
    <servlet>
        <servlet-name>springmvcservlet-name>
        
        <servlet-class>org.springframework.web.servlet.DispatcherServletservlet-class>
      
      
      
       
        <init-param>
            <param-name>contextConfigLocationparam-name>
            <param-value>classpath:Spring-MVC.xmlparam-value>
        init-param>
        
        <load-on-startup>1load-on-startup>
    servlet>
    <servlet-mapping>
        <servlet-name>springmvcservlet-name> 
        
        <url-pattern>*.dourl-pattern>
    servlet-mapping>
web-app>

SpringMVC主配置文件

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-3.2.xsd 
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd 
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-3.2.xsd 
        http://www.springframework.org/schema/aop 
        http://www.springframework.org/schema/aop/spring-aop-3.2.xsd 
        http://www.springframework.org/schema/tx 
        http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">
        
        
        <context:annotation-config/>
        
        <context:component-scan base-package="Controller"/>
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            
            <property name="prefix" value="jsp/"/>
            
            <property name="suffix" value=".jsp"/>
        bean>
    
beans>

javabean（entity）

略

Controller

package Controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import entity.User;
@Controller
public class User_controller {
    @RequestMapping("login.do")
    public String login(User user) {
        System.out.println(user.getUsername()+user.getPassword());
        return "redirect:add.do";
    }
    @RequestMapping("add.do")
    public String add(User user) {
        
        return "success";
    }
}

jsp页面

略

面试题：SpringMVC执行流程