方法一：使用maven-dependency-plugin插件

<build> <plugins> <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> <!-- 将工程依赖的jar包，复制至target/lib目录下进行管理，方便已生成jar的工程进行引用。 --> <outputDirectory>${project.build.directory}/lib</outputDirectory> </configuration> </execution> </executions> </plugin> </plugins> </pluginManagement> </build>