对SpringBoot打包的jar进行瘦身。将依赖全部放在同级目录的lib下。

启动方式：java -Dloader.path="lib/" -jar jar包名

            <plugin>
                    <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <!--重写包含依赖，包含不存在的依赖，jar里没有pom里的依赖-->
                    <includes>
                        <include>
                            <groupId>null</groupId>
                            <artifactId>null</artifactId>
                        </include>
                    </includes>
                    <layout>ZIP</layout>
                    <addResources>true</addResources>
                    <outputDirectory>${project.build.directory}</outputDirectory>

    			    <includeSystemScope>true</includeSystemScope>
				</configuration>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <executions>
                <!--将项目依赖拷贝到lib目录下-->
                    <execution>
                        <id>copy-dependencies</id>
                        <phase>package</phase>
                        <goals>
                            <goal>copy-dependencies</goal>
                        </goals>
                        <configuration>
                            <outputDirectory>
                                ${project.build.directory}/lib/
                            </outputDirectory>
                        </configuration>
                    </execution>
                </executions>
            </plugin>