在sh日常打包spring boot项目时候的jar包都是达到几十MB,或者更大。那怎么进行优化打包方式,我想的是将项目相关依赖配置文件进行分离
我们在修改源码后打包其实配置文件,依赖都没有都没有改变,所有只需要单独打包jar源码即可。
简介:
打包后的目录结构为:
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| catalog |--lib 项目依赖 |--config 项目启动配置环境 |--XXXXX.jar 项目源码启动
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打包初始(包含所有)
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| <properties> <java-version>1.8</java-version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <skipCheck>false</skipCheck> <skipTests>true</skipTests> <skipDocs>true</skipDocs> </properties>
<build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-clean-plugin</artifactId> <configuration> 除默认目录外,要删除的文件列表 <filesets> <fileset> <directory>${directory}</directory> </fileset> </filesets> </configuration> </plugin>
<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <configuration> <excludes> <exclude>*.**</exclude> </excludes> <archive> <manifest> <addClasspath>true</addClasspath> <classpathPrefix>lib/</classpathPrefix> <useUniqueVersions>false</useUniqueVersions> <mainClass>cn.xiaoandx.ExamV1WebApp</mainClass> </manifest> </archive> <outputDirectory>${directory}</outputDirectory> </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> ${directory}/lib/ </outputDirectory> </configuration> </execution> </executions> </plugin>
<plugin> <artifactId>maven-resources-plugin</artifactId> <executions> <execution> <id>copy-resources</id> <phase>package</phase> <goals> <goal>copy-resources</goal> </goals> <configuration> <resources> <resource> <directory>src/main/resources</directory> 指定参与构建的resoures <includes> <include>*.**</include> </includes> </resource> </resources> <outputDirectory>${directory}/config</outputDirectory> </configuration> </execution> </executions> </plugin> </plugins> </build>
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打包完成后可以通过java -jar XXX.jar
进行运行测试看是否打包成功
每次修改了源码打包只需要打包jar,配置文件,依赖都没有修改的情况下可以直接打包jar
直接打包jar
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| <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <configuration> <excludes> <exclude>*.**</exclude> </excludes> <archive> <manifest> <addClasspath>true</addClasspath> <classpathPrefix>lib/</classpathPrefix> <useUniqueVersions>false</useUniqueVersions> <mainClass>cn.xiaoandx.ExamV1WebApp</mainClass> </manifest> </archive> <outputDirectory>${directory}</outputDirectory> </configuration> </plugin> </plugins> </build>
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这样修改代码后的打包就只是jar文件,大大优化项目打包时间