1、项目目录结构。其实现在只关注spring-webmvc模块。
2、将spring-webmvc模块展开之后,该模块的目录结构如下图。
3、src目录完全展开如下图所示。
4、app-context.xml文件内容:
<?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:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package="com.imooc.web"/>
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/>
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/>
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"/>
</bean>
</beans>
5、web.xml文件中内容:
<web-app>
<servlet>
<servlet-name>app</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/app-context.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>app</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
6、pom.xml文件中内容:
<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>spring-application</artifactId>
<groupId>com.imooc</groupId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-webmvc</artifactId>
<packaging>war</packaging>
<dependencies>
<!-- Spring Web Mvc依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<!-- Servlet 3.0 Api 依赖 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<!-- 在SpringBoot中集成tomcat插件 -->
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<executions>
<execution>
<id>tomcat-run</id>
<goals>
<goal>exec-war-only</goal>
</goals>
<phase>package</phase>
<configuration>
<!-- ServletContext path -->
<path>/</path>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
7、HelloWorldController.java中内容:
package com.imooc.web.controller;
import org.springframework.boot.SpringApplication;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class HelloWorldController {
@RequestMapping("")
public String index(){
return "index";
}
public static void main(String[] args) throws Exception {
SpringApplication.run(HelloWorldController.class, args);
}
}
8、在cmd命令行窗口中使用mvn命令为spring-webmvc打包。
C:\Users\Administrator.USER-20190103IR>d:
D:\360安全浏览器下载\spring-application\spring-webmvc>mvn -Dmaven.test.skip -U c
lean package
[INFO] Scanning for projects...
Downloading from spring-milestones: https://repo.spring.io/milestone/org/springf
ramework/boot/spring-boot-starter-parent/2.2.0.BUILD-SNAPSHOT/maven-metadata.xml
则在target文件夹下会生成:spring-webmvc-0.0.1-SNAPSHOT.war和spring-webmvc-0.0.1-SNAPSHOT-war-exec.jar文件。将spring-webmvc-0.0.1-SNAPSHOT.war文件复制到.extract/webapp目录下,并将文件重命名为ROOT.war。如下图。
9、使用java-jar执行spring-webmvc-0.0.1-SNAPSHOT-war-exec.jar文件。
D:\360安全浏览器下载\spring-application\spring-webmvc>java -jar target\spring-we
bmvc-0.0.1-SNAPSHOT-war-exec.jar
一月 11, 2019 4:45:41 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-bio-8080"]
一月 11, 2019 4:45:41 下午 org.apache.catalina.core.StandardService startInterna
l
但是还会有一些小小的错误:
但最终还是启动了tomcat:
访问http://localhost:8080/
End。