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

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"

         version="3.1">

    <context-param>   --Spring Controller 配置

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

        <param-value>/WEB-INF/dispatcher-servlet.xml</param-value>

    </context-param>

    <listener>

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

    </listener>

    <servlet>  --Spring mvc 默认调度

        <servlet-name>dispatcher</servlet-name>

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

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

    </servlet>

    <servlet-mapping>

        <servlet-name>dispatcher</servlet-name>

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

    </servlet-mapping>

    <servlet-mapping>

        <servlet-name>sh</servlet-name>

        <url-pattern>/servlet/sh</url-pattern>

    </servlet-mapping>

</web-app>

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

<beans xmlns="http://www.springframework.org/schema/beans"

       xmlns:context="http://www.springframework.org/schema/context"

       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

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

       http://www.springframework.org/schema/context/spring-context-3.0.xsd">

    <context:component-scan base-package="com.javahash.spring.controller"></context:component-scan>   --配置扫描包

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

        <property name="prefix" value=""></property>     --路径前缀

        <property name="suffix" value=".jsp"></property> --路径后缀

    </bean>

</beans>

package com.javahash.spring.controller;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

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

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

import java.util.logging.Logger;

/**

 * Created by Administrator on 2014/11/8.

 */

@Controller

public class HelloWorldController {

    @RequestMapping("/hello")

    public String hello(@RequestParam(value="name", required=false, defaultValue="World") String name, Model model) {

        model.addAttribute("name", name);

        return "helloworld";

    }

}