maven+spring mvc环境搭建注解版（无web.xml，maven jetty插件运行）

环境：

SPRing Framework 4.3.7.RELEASE

Servlet 3.1.0

JDK 1.8

创建maven webapp项目：maven-spring-webmvc  项目结构如下：

各文件代码如下：

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">	<modelVersion>4.0.0</modelVersion>	<groupId>com.pp</groupId>	<artifactId>maven-spring-webmvc</artifactId>	<packaging>war</packaging>	<version>1.0.0</version>	<name>maven-spring-webmvc</name>	<url>http://maven.apache.org</url>	<properties>		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>		<maven.compiler.source>1.8</maven.compiler.source>		<maven.compiler.target>1.8</maven.compiler.target>	</properties>	<dependencies>		<dependency>			<groupId>javax.servlet</groupId>			<artifactId>javax.servlet-api</artifactId>			<version>3.1.0</version>			<scope>provided</scope>		</dependency>		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-webmvc</artifactId>			<version>4.3.7.RELEASE</version>		</dependency>	</dependencies>	<build>		<plugins>			<!-- 			    jetty的maven插件，配置这个插件之后，就可以直接在项目的跟目录执行mvn jetty:run来运行项目。				而无需把项目打成war扔到web容器中			 -->			<plugin>				<groupId>org.eclipse.jetty</groupId>				<artifactId>jetty-maven-plugin</artifactId>				<version>9.4.2.v20170220</version>				<configuration>					<stopKey>foo</stopKey>					<stopPort>9999</stopPort>					<httpConnector>						<!-- jetty端口 -->						<port>9090</port>					</httpConnector>					<webApp>						<contextPath>/</contextPath>					</webApp>				</configuration>			</plugin>			<plugin>				<groupId>org.apache.maven.plugins</groupId>				<artifactId>maven-war-plugin</artifactId>				<version>3.0.0</version>				<configuration>					<!-- 					            因为本例子没有用到web.xml，也没有创建web.xml，所以这里必须配置这个插件。						 否则使用maven打包的时候会有问题 					-->					<failOnMissingWebXml>false</failOnMissingWebXml>				</configuration>			</plugin>		</plugins>	</build></project>
package com.pp.web;import org.springframework.context.annotation.ComponentScan;import org.springframework.web.servlet.config.annotation.EnableWebMvc;/** * 启用mvc */@EnableWebMvc/** * 设置componen的扫描包路径  */@ComponentScan("com.pp.web")public class AppConfig {}
package com.pp.web;import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;/** * 系统初始化入口 */public class AppDispatcherServletInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {	/**	 * 设置spring容器启动的入口	 */	@Override	protected Class<?>[] getRootConfigClasses() {		return new Class<?>[]{AppConfig.class};	}	@Override	protected Class<?>[] getServletConfigClasses() {		return null;	}	/**	 * 设置DispatcherServlet的拦截路径	 */	@Override	protected String[] getServletMappings() {		return new String[]{"/"};	}}
package com.pp.web;import org.springframework.context.annotation.Configuration;import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;/** *  定制mvc */@Configurationpublic class AppWebMvcConfigurer extends WebMvcConfigurerAdapter {	/**	 * 配置静态资源的映射	 */	public void addResourceHandlers(ResourceHandlerRegistry registry) {	    registry.addResourceHandler("/static/**").addResourceLocations("/static/");	}}
package com.pp.web.controller;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.RestController;@RestControllerpublic class IndexController {	@GetMapping("/index")	public String index(){		return "hello index";	}}最后，在项目的跟目录执行mvn clean jetty:run 运行项目
访问
http://127.0.0.1:9090/index  访问controller
http://127.0.0.1:9090/static/list.html  访问静态资源