修改pom.xml

将package格式改为war

<groupId>com</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>

排除内置tomcat

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-tomcat</artifactId>
	<scope>provided</scope>
</dependency>

打包过程跳过测试

<plugin>
	<groupId>org.apache.maven.plugins</groupId>
	<artifactId>maven-surefire-plugin</artifactId>
	<configuration>
		<skip>true</skip>
	</configuration>
</plugin>

打包

打开IDE右侧边栏的Maven Projects

demo
 |- Lifecycle
	 |- clean
	 |- validate
	 |- compile
	 |- test
	 |- package
	 |- verify
	 |- install
	 |- site
	 |- deploy
 |- Plugins
 |- Dependencies

双击package即可开始打包，打包后,会在项目文件target中。

发布war包

删除tomcat下webapps中的文件,将文件war包文件复制放入。点击tomcat中bin文件夹下的startup.bat，此时便可进行访问localhost查看SpringBoot。

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.5.8.RELEASE)

20:45:57 CST 2017]; root of context hierarchy
2017-10-22 20:46:01.008  INFO 5972 --- [ost-startStop-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/hello],methods=[GET]}" onto public java.lang.String com.demo.DemoApplication.hello()
2017-10-22 20:46:01.016  INFO 5972 --- [ost-startStop-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2017-10-22 20:46:01.030  INFO 5972 --- [ost-startStop-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView 
2017-10-22 20:46:01.635  INFO 5972 --- [ost-startStop-1] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2017-10-22 20:46:01.687  INFO 5972 --- [ost-startStop-1] com.demo.DemoApplication                 : Started DemoApplication in 5.963 seconds (JVM running for 11.781)
2017-10-22 20:46:02.385  WARN 5972 --- [ost-startStop-1] o.a.c.util.SessionIdGeneratorBase        : Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [682] milliseconds.
application archive E:\apache-tomcat-8.0.45\webapps\ROOT.war has finished in 10,051 ms
22-Oct-2017 20:46:02.430 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-apr-8888"]
22-Oct-2017 20:46:02.454 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-apr-8009"]
22-Oct-2017 20:46:02.468 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in 10192 ms

在上述信息中，告诉了我们可以访问的端口为8888.

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本文链接：http://yov.oschina.io/article/框架/Spring Boot/使用IDEA将SpringBoot打包成war包/