<groupId>com.day01springmvc</groupId>
    <artifactId>Springmvc01</artifactId>
    <packaging>war</packaging>
 
    <dependencies>
 
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <!--<version>4.3.1.RELEASE</version>-->
        </dependency>
 
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
        </dependency>
        <!-- JSP相關(guān) -->
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jsp-api</artifactId>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <configuration>
                    <port>8080</port>
                    <path>/</path>
                </configuration>
            </plugin>
        </plugins>
    </build>

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
        http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         version="2.5">
    <!-- springmvc入口 -->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!-- 項(xiàng)目啟動(dòng)時(shí)，就加載并實(shí)例化 -->
        <load-on-startup>1</load-on-startup>
 
   <!--當(dāng)springmvc-servlet.xml沒(méi)有按照springmvc規(guī)定命名就要加載這段來(lái)找springmvc.xml-->
        <!--<init-param>-->
            <!--<param-name>contextConfigLocation</param-name>-->
            <!--<param-value>classpath:springmvc.xml</param-value>-->
        <!--</init-param>-->
    </servlet>
    <!--
        /*攔截所有請(qǐng)求
        /攔截所有請(qǐng)求，不包括jsp（包括html）
        *.do表示攔截所有以.do結(jié)尾的請(qǐng)求
     -->
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
 
</web-app>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       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.xsd">
 
    <!--基于注解、開(kāi)啟注解掃描-->
    <!--<context:component-scan base-package="com.day01springmvc.controller"> </context:component-scan>-->
 
 
    <!--
                   把Controller交給spring管理，
                   在瀏覽器中通過(guò)id屬性的值來(lái)訪問(wèn)
                   而我們?cè)趙eb.xml中配置的DispatcherServlet的訪問(wèn)路徑是*.do
                   為了能夠讓請(qǐng)求進(jìn)入springmvc框架，所以id的值以do結(jié)尾
     -->
    <bean id="/hello.do" class="com.day01springmvc.controller.HelloController"></bean>
 
    <!--
            配置視圖解析器
            prefix：指定視圖所在的目錄
            suffix：指定視圖的后綴名
            例如：prefix="/WEB-INF/jsp/", suffix=".jsp",當(dāng)viewname="test"時(shí)，
            跳轉(zhuǎn)到/WEB-INF/jsp/test.jsp頁(yè)面
            prefix+viewname+suffix 找到WEB-INF/hello.jsp
    -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>
 
</beans>

package com.day01springmvc.controller;
 
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
/**
 * 業(yè)務(wù)處理器
 * @ Author     ：ShaoWei Sun.
 * @ Date       ：Created in 20:58 2018/11/16
 */
public class HelloController implements Controller {
    /**
     * 處理請(qǐng)求
     */
    @Override
    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
        System.out.println("hello請(qǐng)求進(jìn)來(lái)了.................................................................");
        ModelAndView mv = new ModelAndView();
        //添加一個(gè)數(shù)據(jù)，頁(yè)面上可以取出這個(gè)數(shù)據(jù)
        mv.addObject("msg", "這是第一個(gè)springmvc程序");
        //設(shè)置視圖的名字
        mv.setViewName("hello");
        return mv;
    }
}