maven项目打包时排除依赖包

1.背景

为了快速上传jar包到服务器,很多时候我们需要把依赖包单独独立出来,避免每次修改都传依赖包

2.实现方式

maven的pom文件,没有独立依赖包时配置如下:

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <!-- 指定该Main Class为全局的唯一入口 -->
                    <mainClass>com.ldp.XXXXApplication</mainClass>
                    <layout>ZIP</layout>
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal><!--可以把依赖的包都打包到生成的Jar包中-->
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

maven的pom文件,将依赖包与自己写的代码分离:

 <build>
        <plugins>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <configuration>
                    <!--不打包资源文件-->
                    <excludes>
                        <exclude>*.**</exclude>
                        <exclude>*/*.xml</exclude>
                    </excludes>
                    <archive>
                        <manifest>
                            <addClasspath>true</addClasspath>
                            <!--MANIFEST.MF 中 Class-Path 加入前缀-->
                            <classpathPrefix>lib/</classpathPrefix>
                            <!--jar包不包含唯一版本标识-->
                            <useUniqueVersions>false</useUniqueVersions>
                            <!--指定入口类-->
                            <mainClass>com.ldp.XXXXXXApplication</mainClass>
                        </manifest>
                        <manifestEntries>
                            <!--MANIFEST.MF 中 Class-Path 加入资源文件目录-->
                            <Class-Path>./resources/</Class-Path>
                        </manifestEntries>
                    </archive>
                    <outputDirectory>${project.build.directory}</outputDirectory>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <configuration>
                    <testFailureIgnore>true</testFailureIgnore>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <classifier>exec</classifier>
                </configuration>
            </plugin>

            <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>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

            <plugin>
                <artifactId>maven-resources-plugin</artifactId>
                <executions>
                    <execution>
                        <id>copy-resources</id>
                        <phase>package</phase>
                        <goals>
                            <goal>copy-resources</goal>
                        </goals>
                        <configuration>
                            <resources>
                                <resource>
                                    <directory>src/main/resources</directory>
                                </resource>
                            </resources>
                            <outputDirectory>${project.build.directory}/resources</outputDirectory>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

            <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>
                    <!--使用外部配置文件，jar包里没有资源文件-->
                    <addResources>true</addResources>
                    <outputDirectory>${project.build.directory}</outputDirectory>
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                        <configuration>
                            <!--配置jar包特殊标识 配置后，保留原文件，生成新文件 *-run.jar -->
                            <!--配置jar包特殊标识 不配置，原文件命名为 *.jar.original，生成新文件 *.jar -->
                            <!--<classifier>run</classifier>-->
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

打包后的文件:

完美!