spring mvc 注解入门示例

web.xml

<?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>smvc02</display-name>

    <!-- 加载Spring容器配置 -->

    <listener>

        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

    </listener>



    <!-- 设置Spring容器加载配置文件路径 -->

    <context-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>classpath*:applicationContext-*.xml</param-value>

    </context-param>



    <!-- 配置Spring核心控制器 -->

    <servlet>

        <servlet-name>springmvc</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <init-param>

            <param-name>contextConfigLocation</param-name>

            <param-value>/WEB-INF/springmvc.xml</param-value>

        </init-param>

        <load-on-startup>1</load-on-startup>

    </servlet>



    <servlet-mapping>

        <servlet-name>springmvc</servlet-name>

        <url-pattern>*.do</url-pattern>

    </servlet-mapping>



    <!-- 解决工程编码过滤器 -->

    <filter>

        <filter-name>characterEncodingFilter</filter-name>

        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>

        <init-param>

            <param-name>encoding</param-name>

            <param-value>UTF-8</param-value>

        </init-param>

    </filter>



    <filter-mapping>

        <filter-name>characterEncodingFilter</filter-name>

        <url-pattern>/*</url-pattern>

    </filter-mapping>



    <welcome-file-list>

        <welcome-file>index.jsp</welcome-file>

    </welcome-file-list>

</web-app>

 

springmvc.xml

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

<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"

    xsi:schemaLocation="http://www.springframework.org/schema/mvc

     http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd

        http://www.springframework.org/schema/beans 

        http://www.springframework.org/schema/beans/spring-beans-4.1.xsd

        http://www.springframework.org/schema/context 

        http://www.springframework.org/schema/context/spring-context-4.1.xsd">

    <!-- spring mvc 注解驱动 -->

    <mvc:annotation-driven />

    <!-- 扫描器 -->

    <context:component-scan base-package="com" />



    <!-- 配置视图 解析器 -->

    <bean

        class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <!-- 前缀和后缀 -->

        <property name="prefix" value="/WEB-INF/jsp/"></property>

        <property name="suffix" value=".jsp"></property>

    </bean>

</beans>

 

controller

package com.stone.controller;



import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

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



@Controller

public class HelloController {



    @RequestMapping(value = "/hello.do")

    public String getHello(String userName, Model model) {

        System.out.println("----:" + userName);

        model.addAttribute("hello", "hello, " + userName);

        return "hello";

    }

}

 

classpath同上；jsp同上；