springboot maven依赖jar包外置
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示例
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controller 层
HelloController
@RestController
public class HelloController {
@RequestMapping("/hello")
public String hello(){
System.out.println("hello");
return "success";
}
}
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依赖jar包默认打包位置
项目打包
解压 hello.jar：依赖jar包默认存放在BOOT-INF/lib目录中
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依赖jar包外置
pom.xml（build部分）
hello org.springframework.boot spring-boot-maven-pluginorg.projectlombok lomboknothing nothingorg.apache.maven.plugins maven-jar-plugin3.2.0 true lib com.example.demo.DemoApplication org.apache.maven.plugins maven-dependency-plugin3.2.0 copy package copy-dependencies jar jar ${build.directory}/lib
项目打包
依赖jar包复制到了target/lib目录中
解压 hello.jar
BOOT-INF/lib 目录中只有spring-boot-jarmode-layertools-2.5.5.jar包
meta-INF/MANIFEST.MF 文件
Manifest-Version: 1.0 Created-By: Maven Jar Plugin 3.2.0 Build-Jdk-Spec: 16 Class-Path: lib/spring-boot-starter-web-2.5.5.jar lib/spring-boot-starte r-2.5.5.jar lib/spring-boot-2.5.5.jar lib/spring-boot-autoconfigure-2.5 .5.jar lib/spring-boot-starter-logging-2.5.5.jar lib/logback-classic-1. 2.6.jar lib/logback-core-1.2.6.jar lib/log4j-to-slf4j-2.14.1.jar lib/lo g4j-api-2.14.1.jar lib/jul-to-slf4j-1.7.32.jar lib/jakarta.annotation-a pi-1.3.5.jar lib/snakeyaml-1.28.jar lib/spring-boot-starter-json-2.5.5. jar lib/jackson-databind-2.12.5.jar lib/jackson-annotations-2.12.5.jar lib/jackson-core-2.12.5.jar lib/jackson-datatype-jdk8-2.12.5.jar lib/ja ckson-datatype-jsr310-2.12.5.jar lib/jackson-module-parameter-names-2.1 2.5.jar lib/spring-boot-starter-tomcat-2.5.5.jar lib/tomcat-embed-core- 9.0.53.jar lib/tomcat-embed-el-9.0.53.jar lib/tomcat-embed-websocket-9. 0.53.jar lib/spring-web-5.3.10.jar lib/spring-beans-5.3.10.jar lib/spri ng-webmvc-5.3.10.jar lib/spring-aop-5.3.10.jar lib/spring-context-5.3.1 0.jar lib/spring-expression-5.3.10.jar lib/spring-boot-configuration-pr ocessor-2.5.5.jar lib/lombok-1.18.20.jar lib/slf4j-api-1.7.32.jar lib/s pring-core-5.3.10.jar lib/spring-jcl-5.3.10.jar Implementation-Title: demo Implementation-Version: 0.0.1-SNAPSHOT Main-Class: org.springframework.boot.loader.JarLauncher Start-Class: com.example.demo.DemoApplication Spring-Boot-Version: 2.5.5 Spring-Boot-Classes: BOOT-INF/classes/ Spring-Boot-Lib: BOOT-INF/lib/ Spring-Boot-Classpath-Index: BOOT-INF/classpath.idx Spring-Boot-Layers-Index: BOOT-INF/layers.idx
使用测试
# cd target E:javaIdeaProjectsspringboot maven 依赖jar包>cd target # 运行jar包, localhost:8080/hello, 控制台输出 E:javaIdeaProjectsspringboot maven 依赖jar包target>java -jar hello.jar . ____ _ __ _ _ /\ / ___'_ __ _ _(_)_ __ __ _ ( ( )___ | '_ | '_| | '_ / _` | \/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |___, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.5.5) 2021-09-30 20:58:11.860 INFO 12256 --- [ main] o.s.boot.SpringApplication : Starting application using Java 15 on LAPTOP-D73GD8TE with PID 12256 (started by 28401 in E:javaIdeaProjectsspringboot maven 依赖jar包target) 2021-09-30 20:58:11.872 INFO 12256 --- [ main] o.s.boot.SpringApplication : No active profile set, falling bac k to default profiles: default 2021-09-30 20:58:13.170 INFO 12256 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8 080 (http) 2021-09-30 20:58:13.186 INFO 12256 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2021-09-30 20:58:13.186 INFO 12256 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache T omcat/9.0.53] 2021-09-30 20:58:13.186 INFO 12256 --- [ main] o.a.catalina.core.AprLifecycleListener : An older version [1.2.23] of the A pache Tomcat Native library is installed, while Tomcat recommends a minimum version of [1.2.30] 2021-09-30 20:58:13.186 INFO 12256 --- [ main] o.a.catalina.core.AprLifecycleListener : Loaded Apache Tomcat Native librar y [1.2.23] using APR version [1.7.0]. 2021-09-30 20:58:13.186 INFO 12256 --- [ main] o.a.catalina.core.AprLifecycleListener : APR capabilities: IPv6 [true], sen dfile [true], accept filters [false], random [true], UDS [false]. 2021-09-30 20:58:13.186 INFO 12256 --- [ main] o.a.catalina.core.AprLifecycleListener : APR/OpenSSL configuration: useAprC onnector [false], useOpenSSL [true] 2021-09-30 20:58:13.201 INFO 12256 --- [ main] o.a.catalina.core.AprLifecycleListener : OpenSSL successfully initialized [ OpenSSL 1.1.1c 28 May 2019] 2021-09-30 20:58:13.279 INFO 12256 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebAp plicationContext 2021-09-30 20:58:13.279 INFO 12256 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initia lization completed in 1331 ms 2021-09-30 20:58:13.699 INFO 12256 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (h ttp) with context path '' 2021-09-30 20:58:13.714 INFO 12256 --- [ main] o.s.boot.SpringApplication : Started application in 2.303 secon ds (JVM running for 2.7) 2021-09-30 20:58:19.766 INFO 12256 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServ let 'dispatcherServlet' 2021-09-30 20:58:19.766 INFO 12256 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherSe rvlet' 2021-09-30 20:58:19.766 INFO 12256 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 0 ms hello
依赖jar外置，项目可正常运行
