Springboot 打jar包时下载分离依赖包到指定目录

1.maven 构建

POM.xml

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<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">     <modelVersion>4.0.0</modelVersion>       <!-- 其他配置省略 -->       <build>         <plugins> 　　　　　　<!-- 管理依赖包，可以通过 copy 任务拷贝单个依赖或者 copy-dependencies 任务拷贝全部依赖 -->             <plugin>                 <groupId>org.apache.maven.plugins</groupId>                 <artifactId>maven-dependency-plugin</artifactId>                 <executions>                     <execution>                         <id>copy-dependencies</id>                         <phase>package</phase>                         <goals>                             <goal>copy-dependencies</goal>                         </goals>                         <configuration>                             <outputDirectory>target/lib</outputDirectory>                             <excludeTransitive>false</excludeTransitive>                             <stripVersion>false</stripVersion>                             <includeScope>runtime</includeScope>                         </configuration>                     </execution>                 </executions>             </plugin> 　　　　　　<!-- 打 jar 包用，可以配置包的 MANIFEST -->             <plugin>                 <groupId>org.apache.maven.plugins</groupId>                 <artifactId>maven-jar-plugin</artifactId>                 <configuration>                     <excludes>                         <exclude>**/*.properties</exclude>                         <exclude>**/*.xml</exclude>                         <exclude>**/*.yml</exclude>                         <exclude>static/**</exclude>                         <exclude>templates/**</exclude>                     </excludes>                 </configuration>             </plugin>               <plugin>                 <groupId>org.springframework.boot</groupId>                 <artifactId>spring-boot-maven-plugin</artifactId> 　　　　　　　　<!-- 重要配置项 layout，否则通过 loader.path 指定外部依赖包时无法加载 -->                 <configuration>                     <layout>ZIP</layout>                 </configuration>                 <executions>                     <execution>                         <goals>                             <goal>repackage</goal>                         </goals>                     </execution>                 </executions>             </plugin> 　　　　　　<!-- 构建工具 ant 的插件，用来执行 ant 任务，此处用以操作文件 -->             <plugin>                 <groupId>org.apache.maven.plugins</groupId>                 <artifactId>maven-antrun-plugin</artifactId>                 <executions>                     <execution>                         <phase>package</phase>                         <goals>                             <goal>run</goal>                         </goals>                         <configuration>                             <target>                                 <property name="dist">target/distribution</property>                                 <property name="dist-tmp">target/distribution/tmp</property>                                 <property name="app-name">${project.artifactId}-${project.version}</property>                                 <mkdir dir="${dist-tmp}" />                                 <copy file="target/${app-name}.jar" tofile="${dist-tmp}/${app-name}.jar" />                                 <unzip src="${dist-tmp}/${app-name}.jar" dest="${dist-tmp}" />                                 <delete file="${dist-tmp}/${app-name}.jar" />                                   <zip destfile="${dist}/${app-name}-pages.jar">                                     <zipfileset dir="${dist-tmp}/META-INF" prefix="META-INF" />                                     <zipfileset dir="target/classes/static" prefix="static" />                                     <zipfileset dir="target/classes/templates" prefix="templates" />                                 </zip>                                   <move file="target/${app-name}-classes.jar" todir="${dist}" />                                 <move todir="${dist}/3rd-lib">                                     <fileset dir="target/lib" />                                 </move>                                   <delete dir="${dist-tmp}" />                                   <copy todir="${dist}">                                     <fileset dir="target/classes">                                         <include name="**/*.properties" />                                         <include name="**/*.xml" />                                         <include name="**/*.yml" />                                     </fileset>                                 </copy>                             </target>                         </configuration>                     </execution>                 </executions>             </plugin>         </plugins>     </build> </project>

打完包后目录结构

• 3rd-lib
• META-INF
• *.yml
• *.xml
• *.properties
• test-0.0.1-SNAPSHOT-classes.jar
• test-0.0.1-SNAPSHOT-pages.jar

运行jar

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1	java -jar -Dloader.path=.,3rd-lib test-0.0.1-SNAPSHOT-classes.jar

2.gradle 构建

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dependencies {     implementation 'g:a:v' } //copying all dependencies attached to 'compileClasspath' into a specific folder task downloadDependencies(type: Copy) {   //referring to the 'compileClasspath' configuration   from configurations.compileClasspath   into '3rd-lib' }