SpringBoot创建可执行jar包的实例教程
传统的spring项目，可能大部分都要部署到web容器中，如Tomcat。Spring Boot提供了一种超级简单的部署方式，就是直接将应用打成jar包，在生产上只需要执行java -jar就可以运行了。
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本篇文章就介绍如何创建可执行jar包，以及如何部署、运行和停止。
第一步，我们需要在pom.xml添加spring-boot-maven-plugin，添加在dependecies部分下面：
org.springframework.boot spring-boot-maven-plugin
第二步，保存pom.xml并运行mvn package命令打包：
localhost:spring-boot-tutorial-executable majunwei$ mvn package -Dmaven.test.skip=true [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for com.majunwei:spring-boot-tutorial-executable:jar:0.0.1-SNAPSHOT [WARNING] 'parent.relativePath' of POM com.majunwei:spring-boot-tutorial-executable:0.0.1-SNAPSHOT (/Users/majunwei/Documents/work/spring-boot-tutorial/spring-boot-tutorial-executable/pom.xml) points at com.majunwei:spring-boot-tutorial instead of org.springframework.boot:spring-boot-starter-parent, please verify your project structure @ line 6, column 10 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building spring-boot-tutorial-executable 0.0.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ spring-boot-tutorial-executable --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory /Users/majunwei/Documents/work/spring-boot-tutorial/spring-boot-tutorial-executable/src/main/resources [INFO] skip non existing resourceDirectory /Users/majunwei/Documents/work/spring-boot-tutorial/spring-boot-tutorial-executable/src/main/resources [INFO] [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ spring-boot-tutorial-executable --- [INFO] Nothing to compile - all classes are up to date [INFO] [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ spring-boot-tutorial-executable --- [INFO] Not copying test resources [INFO] [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ spring-boot-tutorial-executable --- [INFO] Not compiling test sources [INFO] [INFO] --- maven-surefire-plugin:2.18.1:test (default-test) @ spring-boot-tutorial-executable --- [INFO] Tests are skipped. [INFO] [INFO] --- maven-jar-plugin:2.6:jar (default-jar) @ spring-boot-tutorial-executable --- [INFO] [INFO] --- spring-boot-maven-plugin:1.5.6.RELEASE:repackage (default) @ spring-boot-tutorial-executable --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.380 s [INFO] Finished at: 2017-08-04T12:01:52+08:00 [INFO] Final Memory: 21M/227M [INFO] ------------------------------------------------------------------------
这样就完成了打包操作，大好的包保存在target目录里。应该在10MB左右。
localhost:target majunwei$ ls -lh total 28232 drwxr-xr-x 4 majunwei staff 136B 8 4 11:12 classes drwxr-xr-x 3 majunwei staff 102B 8 4 11:14 generated-sources drwxr-xr-x 3 majunwei staff 102B 8 4 11:14 maven-archiver drwxr-xr-x 3 majunwei staff 102B 8 4 11:14 maven-status -rw-r--r-- 1 majunwei staff 14M 8 4 11:14 spring-boot-tutorial-executable-0.0.1-SNAPSHOT.jar -rw-r--r-- 1 majunwei staff 3.2K 8 4 11:14 spring-boot-tutorial-executable-0.0.1-SNAPSHOT.jar.original drwxr-xr-x 3 majunwei staff 102B 8 4 11:12 test-classes
这个包里包含了依赖的jar包、classes等信息，如果你想仔细查看这个jar包等内容，你可以使用jar tvf命令，或解压出来看：
$ jar tvf spring-boot-tutorial-executable-0.0.1-SNAPSHOT.jar
target目录里还有个非常小的myproject-0.0.1-SNAPSHOT.jar.original文件。这个是Spring Boot打包之前Maven创建的原始jar文件。
第三步，使用java -jar命令，运行应用：
localhost:target majunwei$ java -jar spring-boot-tutorial-executable-0.0.1-SNAPSHOT.jar
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.5.6.RELEASE)
2017-08-04 12:05:58.917 INFO 909 --- [ main] o.s.b.tutorial.executable.Application : Starting Application v0.0.1-SNAPSHOT on localhost with PID 909 (/Users/majunwei/Documents/work/spring-boot-tutorial/spring-boot-tutorial-executable/target/spring-boot-tutorial-executable-0.0.1-SNAPSHOT.jar started by majunwei in /Users/majunwei/Documents/work/spring-boot-tutorial/spring-boot-tutorial-executable/target)
2017-08-04 12:05:58.926 INFO 909 --- [ main] o.s.b.tutorial.executable.Application : No active profile set, falling back to default profiles: default
2017-08-04 12:05:59.039 INFO 909 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@27f8302d: startup date [Fri Aug 04 12:05:59 CST 2017]; root of context hierarchy
2017-08-04 12:06:01.030 INFO 909 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)
2017-08-04 12:06:01.050 INFO 909 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2017-08-04 12:06:01.053 INFO 909 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.16
2017-08-04 12:06:01.224 INFO 909 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2017-08-04 12:06:01.225 INFO 909 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 2199 ms
2017-08-04 12:06:01.430 INFO 909 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Mapping servlet: 'dispatcherServlet' to [/]
2017-08-04 12:06:01.437 INFO 909 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2017-08-04 12:06:01.437 INFO 909 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2017-08-04 12:06:01.438 INFO 909 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2017-08-04 12:06:01.439 INFO 909 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2017-08-04 12:06:01.890 INFO 909 --- [ main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@27f8302d: startup date [Fri Aug 04 12:05:59 CST 2017]; root of context hierarchy
2017-08-04 12:06:02.019 INFO 909 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/]}" onto java.lang.String org.spring.boot.tutorial.executable.Application.home()
2017-08-04 12:06:02.024 INFO 909 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2017-08-04 12:06:02.024 INFO 909 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2017-08-04 12:06:02.062 INFO 909 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2017-08-04 12:06:02.062 INFO 909 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2017-08-04 12:06:02.129 INFO 909 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2017-08-04 12:06:02.344 INFO 909 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2017-08-04 12:06:02.448 INFO 909 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2017-08-04 12:06:02.458 INFO 909 --- [ main] o.s.b.tutorial.executable.Application : Started Application in 4.054 seconds (JVM running for 4.622)
第四步，跟之前一样，想要退出应用，按ctrl-c就可以了。
下载本教程的源代码
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。
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