springboot maven依赖jar包外置

ゞ浴缸里的玫瑰 2022-09-14 02:57 197阅读 0赞

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## springboot maven依赖jar包外置 ##

## \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ##

**示例**

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**controller 层**

**HelloController**

@RestController
    public class HelloController {
    
        @RequestMapping("/hello")
        public String hello(){
            System.out.println("hello");
    
            return "success";
        }
    }

## \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ##

**依赖jar包默认打包位置**

**项目打包**

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAb1_nk5znlLDmnY7kuItfbw_size_9_color_FFFFFF_t_70_g_se_x_16][]

**解压 hello.jar：依赖jar包默认存放在BOOT-INF/lib目录中**

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAb1_nk5znlLDmnY7kuItfbw_size_9_color_FFFFFF_t_70_g_se_x_16 1][]

## \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ##

**依赖jar包外置**

**pom.xml（build部分）**

<build>
            <finalName>hello</finalName>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                    <configuration>
                        <excludes>
                            <exclude>
                                <groupId>org.projectlombok</groupId>
                                <artifactId>lombok</artifactId>
                            </exclude>
                        </excludes>
    
                        
                        <includes>
                            <include>
                                <groupId>nothing</groupId>
                                <artifactId>nothing</artifactId>
                            </include>
                        </includes>
    
                    </configuration>
                </plugin>
    
                
                
                
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-jar-plugin</artifactId>
                    <version>3.2.0</version>
                    <configuration>
                        <archive>
                            <manifest>
                                <addClasspath>true</addClasspath>
                                <classpathPrefix>lib</classpathPrefix>
                                <mainClass>com.example.demo.DemoApplication</mainClass>
                            </manifest>
                        </archive>
                    </configuration>
                </plugin>
    
                
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-dependency-plugin</artifactId>
                    <version>3.2.0</version>
                    <executions>
                        <execution>
                            <id>copy</id>
                            <phase>package</phase>
                            <goals>
                                <goal>copy-dependencies</goal>
                            </goals>
                            <configuration>
                                <type>jar</type>
                                <includeTypes>jar</includeTypes>
                                <outputDirectory>${build.directory}/lib</outputDirectory>
                            </configuration>
                        </execution>
                    </executions>
                </plugin>
    
            </plugins>
        </build>

**项目打包**

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAb1_nk5znlLDmnY7kuItfbw_size_9_color_FFFFFF_t_70_g_se_x_16 2][]

**依赖jar包复制到了target/lib目录中**

**解压 hello.jar**

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAb1_nk5znlLDmnY7kuItfbw_size_9_color_FFFFFF_t_70_g_se_x_16 3][]

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAb1_nk5znlLDmnY7kuItfbw_size_9_color_FFFFFF_t_70_g_se_x_16 4][]

**BOOT-INF/lib 目录中只有spring-boot-jarmode-layertools-2.5.5.jar包**

**META-INF/MANIFEST.MF 文件**

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAb1_nk5znlLDmnY7kuItfbw_size_9_color_FFFFFF_t_70_g_se_x_16 5][]

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:\java\IdeaProjects\springboot maven 依赖jar包>cd target
    
    #　运行jar包, localhost:8080/hello, 控制台输出
    E:\java\IdeaProjects\springboot 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:\java\IdeaProjects\springboot 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**

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