傳統的spring項目，可能大部分都要部署到web容器中，如Tomcat。 Spring Boot提供了一種超級簡單的部署方式，就是直接將應用打成jar包，在生產上只需要執行java -jar就可以運行了。
本篇文章就介紹如何創建可執行jar包，以及如何部署、運行和停止。
第一步，我們需要在pom.xml添加spring-boot-maven-plugin，添加在dependecies部分下面：
<build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins></build>
第二步，保存pom.xml並運行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] ------------------------------------------------------------------------
這樣就完成了打包操作，大好的包保存在target目錄裡。應該在10MB左右。
localhost:target majunwei$ ls -lhtotal 28232drwxr-xr-x 4 majunwei staff 136B 8 4 11:12 classesdrwxr-xr-x 3 majunwei staff 102B 8 4 11:14 generated-sourcesdrwxr-xr-x 3 majunwei staff 102B 8 4 11:14 maven-archiverdrwxr-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.originaldrwxr-xr-x 3 majunwei staff 102B 8 4 11:12 test-classes
這個包裡包含了依賴的jar包、classes等信息，如果你想仔細查看這個jar包等內容，你可以使用jar tvf命令，或解壓出來看：
$ jar tvf spring-boot-tutorial-executable-0.0.1-SNAPSHOT.jar
target目錄裡還有個非常小的myproject-0.0.1-SNAPSHOT.jar.original文件。這個是Spring Boot打包之前Maven創建的原始jar文件。
第三步，使用java -jar命令，運行應用：
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] osbtutorial.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] osbtutorial.executable.Application : No active profile set, falling back to default profiles: default2017-08-04 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 hierarchy2017-08-04 12:06:01.030 INFO 909 --- [ main] sbcetTomcatEmbeddedServletContainer : 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/8.5.162017-08-04 12:06:01.224 INFO 909 --- [ost-startStop-1] oaccC[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext2017-08-04 12:06:01.225 INFO 909 --- [ost-startStop-1] osweb.context.ContextLoader : Root WebApplicationContext: initialization completed in 2199 ms2017-08-04 12:06:01.430 INFO 909 --- [ost-startStop-1] osbwservlet.ServletRegistrationBean : Mapping servlet: 'dispatcherServlet' to [/]2017-08-04 12:06:01.437 INFO 909 --- [ost-startStop-1] osbwservlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]2017-08-04 12:06:01.437 INFO 909 --- [ost-startStop-1] osbwservlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]2017-08-04 12:06:01.438 INFO 909 --- [ost-startStop-1] osbwservlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]2017-08-04 12:06:01.439 INFO 909 --- [ost-startStop-1] osbwservlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]2017-08-04 12:06:01.890 INFO 909 --- [ main] swsmmaRequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@27f8302d: startup date [Fri Aug 04 12:05:59 CST 2017]; root of context hierarchy2017-08-04 12:06:02.019 INFO 909 --- [ main] swsmmaRequestMappingHandlerMapping : Mapped "{[/]}" onto java.lang.String org.spring.boot.tutorial.executable.Application.home()2017-08-04 12:06:02.024 INFO 909 --- [ main] swsmmaRequestMappingHandlerMapping : 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)2017-08-04 12:06:02.024 INFO 909 --- [ main] swsmmaRequestMappingHandlerMapping : 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] oswshandler.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] oswshandler.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] oswshandler.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] osjeaAnnotationMBeanExporter : Registering beans for JMX exposure on startup2017-08-04 12:06:02.448 INFO 909 --- [ main] sbcetTomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)2017-08-04 12:06:02.458 INFO 909 --- [ main] osbtutorial.executable.Application : Started Application in 4.054 seconds (JVM running for 4.622)第四步，跟之前一樣，想要退出應用，按ctrl-c就可以了。
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