SpringBoot打成jar包瘦身方法总结

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

<build>
   <plugins>
       <plugin>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-maven-plugin</artifactId>
           <configuration>
               <layout>ZIP</layout>
                <includes>
                    <include>
                        <groupId>nothing</groupId>
                        <artifactId>nothing</artifactId>
                    </include>
                    <include>
                        <groupId>com.huacloud.tax.rpc</groupId>
                        <artifactId>common</artifactId>
                    </include>
                </includes>
           </configuration>
       </plugin>
   </plugins>
</build>

<build>
   <finalName>打出jar包的名称</finalName>
    <plugins>
      <!-- 1、编译出不带 lib 文件夹的Jar包 -->
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <configuration>
                <!--表示编译版本配置有效-->
                <fork>true</fork>
                <!--引入第三方jar包时,不添加则引入的第三方jar不会被打入jar包中-->
                <includeSystemScope>true</includeSystemScope>
                <!--排除第三方jar文件-->
                <includes>
                    <include>
                        <groupId>nothing</groupId>
                        <artifactId>nothing</artifactId>
                    </include>
                </includes>
            </configuration>
            <executions>
                <execution>
                    <goals>
                        <goal>repackage</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    
    	<!-- 2、完成对Java代码的编译，可以指定项目源码的jdk版本，编译后的jdk版本，以及编码 -->
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
              <!-- 源代码使用的JDK版本 --> 
                <source>${java.version}</source>
                <!-- 需要生成的目标class文件的编译版本 -->
                <target>${java.version}</target>
                <!-- 字符集编码 -->
                <encoding>UTF-8</encoding>
                <!-- 用来传递编译器自身不包含但是却支持的参数选项 -->  
                <compilerArguments>
                        <verbose/>
                        <!-- windwos环境（二选一） -->
                        <!--<bootclasspath>${java.home}/lib/rt.jar;${java.home}/lib/jce.jar</bootclasspath>-->
                        <bootclasspath>D:/App/jdk/jdk1.8.0_221/jre1.8.0_221/lib/rt.jar;D:/App/jdk/jdk1.8.0_221/jre1.8.0_221/lib/jce.jar</bootclasspath>
                        <!-- Linux环境（二选一） -->
                        <!--<bootclasspath>${java.home}/lib/rt.jar:${java.home}/lib/jce.jar</bootclasspath>-->
                    </compilerArguments>
            </configuration>
        </plugin>

        <!-- 3、将所有依赖的jar文件复制到target/lib目录 -->
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-dependency-plugin</artifactId>
            <executions>
                <execution>
                    <id>copy-dependencies</id>
                    <phase>prepare-package</phase>
                    <goals>
                        <goal>copy-dependencies</goal>
                    </goals>
                    <configuration>
                      <!--复制到哪个路径，${project.build.directory} 缺醒为 target，其他内置参数见下面解释-->
                        <outputDirectory>${project.build.directory}/lib</outputDirectory>
                        <overWriteReleases>false</overWriteReleases>
                        <overWriteSnapshots>false</overWriteSnapshots>
                        <overWriteIfNewer>true</overWriteIfNewer>
                    </configuration>
                </execution>
            </executions>
        </plugin>
        
    	<!-- 4、指定启动类，指定配置文件，将依赖打成外部jar包 -->
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jar-plugin</artifactId>
            <configuration>
                <archive>
                    <manifest>
                        <!-- 是否要把第三方jar加入到类构建路径 -->
                        <addClasspath>true</addClasspath>
                        <!-- 外部依赖jar包的最终位置 -->
                        <classpathPrefix>lib/</classpathPrefix>
                        <!-- 项目启动类 -->
                        <mainClass>org.jeecg.JeecgSystemApplication</mainClass>
                    </manifest>
                </archive>
                <!--资源文件不打进jar包中，做到配置跟项目分离的效果-->
                <excludes>
                    <!-- 业务jar中过滤application.properties/yml文件，在jar包外控制 -->
                    <exclude>*.properties</exclude>
                    <exclude>*.xml</exclude>
                    <exclude>*.yml</exclude>
                </excludes>
            </configuration>
        </plugin>

    </plugins>
</build>