1：pom.xml加入以下配置，实现项目与依赖分离，减小项目jar大小

<build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <fork>true</fork>
                    <finalName>${project.build.finalName}</finalName>
                    <!--解决windows命令行窗口中文乱码-->
                    <jvmArguments>-Dfile.encoding=UTF-8</jvmArguments>
                    <layout>ZIP</layout>
                    <includes>
                        <!--这里是填写需要包含进去的jar，
                            必须项目中的某些模块，会经常变动，那么就应该将其坐标写进来
                            如果没有则non-exists ，表示不打包依赖
                        -->
                        <include>
                            <groupId>non-exists</groupId>
                            <artifactId>non-exists</artifactId>
                        </include>
                    </includes>
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <!--此插件用于将依赖包抽出-->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <executions>
                    <execution>
                        <id>copy-dependencies</id>
                        <phase>package</phase>
                        <goals>
                            <goal>copy-dependencies</goal>
                        </goals>
                        <configuration>
                            <outputDirectory>${project.build.directory}/lib</outputDirectory>
                            <excludeTransitive>false</excludeTransitive>
                            <stripVersion>false</stripVersion>
                            <includeScope>runtime</includeScope>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <artifactId>maven-surefire-plugin</artifactId>
                <configuration>
                    <skip>true</skip>
                </configuration>
            </plugin>
        </plugins>
    </build>

执行 maven----- package

验证

java -Dloader.path=“E:\xxxl\target\lib” -jar
target/lulu-1.0.jar