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[英]Minify JavaScript code in a JSPX page (in a Spring MVC WebApp)
[英]Spring boot minify javascript
我正在寻找Maven配置来最小化Spring Boot应用程序的js / css文件。 对于普通的Java Web应用程序,以下配置有效
<plugins>
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.5.1</version>
<executions>
<execution>
<goals>
<goal>compress</goal>
</goals>
</execution>
</executions>
<configuration>
<nosuffix>true</nosuffix>
<webappDirectory>${project.build.directory}/min</webappDirectory>
<excludes>
<exclude>**/*-min.js</exclude>
<exclude>**/*.min.js</exclude>
<exclude>**/*-min.css</exclude>
<exclude>**/*.min.css</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<webResources>
<resource>
<directory>${project.build.directory}/min</directory>
</resource>
</webResources>
</configuration>
</plugin>
</plugins>
但是当我用弹簧靴尝试这个
<profile>
<id>prod</id>
<build>
<plugins>
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.5.1</version>
<executions>
<execution>
<goals>
<goal>compress</goal>
</goals>
</execution>
</executions>
<configuration>
<nosuffix>true</nosuffix>
<webappDirectory>${project.build.directory}</webappDirectory>
<excludes>
<exclude>**/*-min.js</exclude>
<exclude>**/*.min.js</exclude>
<exclude>**/*-min.css</exclude>
<exclude>**/*.min.css</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<configuration>
<excludes>
<exclude>**/*.js</exclude>
</excludes>
</configuration>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
现在spring-boot-maven插件配置没有指定webResources目录的方法。
运行compress目标时,它将js和CSS最小化。 然后,重新打包目标只是在复制webapp资源阶段使用未压缩的版本覆盖缩小的脚本/ css。 有没有办法跳过复制步骤或在复制步骤之后运行压缩目标? 基本上,我可以在Spring Boot构建期间压缩CSS /脚本吗?
我能够使用另一个名为minify-maven-plugin的缩小插件来完成此任务。
我能够利用此插件的webappTargetDir
属性来指示它将缩小的文件放在${project.build.outputDirectory}
目录中(默认情况下解析为${project.build.directory}/classes
)。
通过将插件执行绑定到prepare-package
阶段,我能够使其缩小我的源文件,并在执行package
阶段之前将它们复制到${project.build.outputDirectory}
。 这将导致在打包之前用缩小的源文件覆盖原始源文件的所需行为。
以下是我的POM文件的摘录,其中我配置了minify-maven-plugin以这种方式运行。
<build>
. . .
<plugins>
. . .
<plugin>
<groupId>com.samaxes.maven</groupId>
<artifactId>minify-maven-plugin</artifactId>
<version>1.7.6</version>
<executions>
<execution>
<id>default-minify</id>
<phase>prepare-package</phase>
<configuration>
<charset>UTF-8</charset>
<webappSourceDir>${basedir}/src/main/resources/static</webappSourceDir>
<webappTargetDir>${project.build.outputDirectory}/static</webappTargetDir>
<jsSourceDir>js</jsSourceDir>
<jsSourceFiles>
<jsSourceFile>myscript.js</jsSourceFile>
</jsSourceFiles>
<jsTargetDir>js</jsTargetDir>
<jsFinalFile>myscript.js</jsFinalFile>
<jsEngine>CLOSURE</jsEngine>
<skipMerge>true</skipMerge>
<nosuffix>true</nosuffix>
<verbose>true</verbose>
</configuration>
<goals>
<goal>minify</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
请注意,我选择将原始(即未缩小的)Javascript源文件放置在项目树中的${basedir}/src/main/resources/static/js
中。 我还启用了nosuffix
和skipMerge
标志,以便将myscript.js
的缩小输出保存到一个确切名称的文件中(在您的情况下,这可能不是您想要的)。
更新(2018-04-13):根据要求,以下是我正在使用minify-maven-plugin的项目的整个POM文件。 关于此POM文件,需要注意以下几点:
release-profile
时执行Javascript压缩,因此您需要使用mvn clean install -P release-profile
类的内容来构建此项目,以便执行压缩。 java -jar target/project-0.0.1-SNAPSHOT-exec.jar
。 这将启动Spring Boot应用程序。 希望这对您有所帮助。
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>project</artifactId>
<packaging>jar</packaging>
<version>0.0.1-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.10.RELEASE</version>
</parent>
<properties>
<java.version>1.8</java.version>
<spring-boot.version>1.5.10.RELEASE</spring-boot.version>
<spock.version>1.1-groovy-2.4</spock.version>
<groovy.version>2.4.6</groovy.version>
<maven.javadoc.skip>true</maven.javadoc.skip>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot.version}</version>
<configuration>
<mainClass>com.example.project.Application</mainClass>
<classifier>exec</classifier>
</configuration>
</plugin>
<plugin>
<groupId>external.atlassian.jgitflow</groupId>
<artifactId>jgitflow-maven-plugin</artifactId>
<version>1.0-m5.1</version>
<configuration>
<autoVersionSubmodules>true</autoVersionSubmodules>
<pushReleases>true</pushReleases>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.gmavenplus</groupId>
<artifactId>gmavenplus-plugin</artifactId>
<version>1.6</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>compileTests</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.21.0</version>
<configuration>
<useFile>false</useFile>
<includes>
<include>**/*Spec.*</include>
</includes>
<runOrder>random</runOrder>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<version>2.21.0</version>
<configuration>
<useFile>false</useFile>
<includes>
<include>**/*SpecIT.*</include>
</includes>
<runOrder>random</runOrder>
</configuration>
<executions>
<execution>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>${spring-boot.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>${groovy.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>${spring-boot.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.spockframework</groupId>
<artifactId>spock-core</artifactId>
<version>${spock.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.spockframework</groupId>
<artifactId>spock-spring</artifactId>
<version>${spock.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<profiles>
<profile>
<id>release-profile</id>
<activation>
<property>
<name>performRelease</name>
<value>true</value>
</property>
</activation>
<build>
<plugins>
<plugin>
<groupId>com.samaxes.maven</groupId>
<artifactId>minify-maven-plugin</artifactId>
<version>1.7.6</version>
<executions>
<execution>
<id>default-minify</id>
<phase>prepare-package</phase>
<configuration>
<charset>UTF-8</charset>
<webappSourceDir>${basedir}/src/main/resources/static</webappSourceDir>
<jsSourceDir>js</jsSourceDir>
<jsSourceFiles>
<jsSourceFile>myscript.js</jsSourceFile>
</jsSourceFiles>
<webappTargetDir>${project.build.outputDirectory}/static</webappTargetDir>
<jsFinalFile>myscript.js</jsFinalFile>
<jsEngine>CLOSURE</jsEngine>
<skipMerge>true</skipMerge>
<nosuffix>true</nosuffix>
<verbose>true</verbose>
</configuration>
<goals>
<goal>minify</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- Skip source jar generation -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>2.4</version>
<configuration>
<skipSource>true</skipSource>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
</project>
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