使用 SpringBoot 开发 Web 应用时，使用到的第三方 Jar 包可能数量比较多，每次在打包时生成的 War 包都会比较大（每次都会重复打包第三方依赖），但实际的业务 Jar 只占很少的一部分。如果想要传输这个生成的 Jar 包会比较麻烦。
<build>
<plugins>
<!-- spring-boot-maven 打包插件 -->
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.0.3.RELEASE</version>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
<configuration>
<!-- 热部署 -->
<fork>true</fork>
<!-- 排除依赖包 Step.1 -->
<includes>
<include>
<groupId>nothing</groupId>
<artifactId>nothing</artifactId>
</include>
</includes>
</configuration>
</plugin>
<!-- 编译插件 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<!-- Maven War 插件 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>3.0.0</version>
<!-- 排除依赖包 Step.2 -->
<configuration>
<packagingExcludes>WEB-INF/lib/*.jar</packagingExcludes>
</configuration>
</plugin>
<!-- 将依赖包单独拷贝到 target/lib 下 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-lib</id>
<phase>prepare-package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/lib</outputDirectory>
<overWriteReleases>false</overWriteReleases>
<overWriteSnapshots>false</overWriteSnapshots>
<overWriteIfNewer>true</overWriteIfNewer>
<includeScope>compile</includeScope>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
配置过 pom 之后，新打的包就是这样式的，业务跟依赖已经分离开了：
20181005.1.png
