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[英]Minify JavaScript code in a JSPX page (in a Spring MVC WebApp)
[英]Spring boot minify javascript
我正在尋找Maven配置來最小化Spring Boot應用程序的js / css文件。 對於普通的Java Web應用程序,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>
但是當我用彈簧靴嘗試這個
<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>${project.build.directory}</webappDirectory>
<excludes>
<exclude>**/*-min.js</exclude>
<exclude>**/*.min.js</exclude>
<exclude>**/*-min.css</exclude>
<exclude>**/*.min.css</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<configuration>
<excludes>
<exclude>**/*.js</exclude>
</excludes>
</configuration>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
現在spring-boot-maven插件配置沒有指定webResources目錄的方法。
運行compress目標時,它將js和CSS最小化。 然后,重新打包目標只是在復制webapp資源階段使用未壓縮的版本覆蓋縮小的腳本/ css。 有沒有辦法跳過復制步驟或在復制步驟之后運行壓縮目標? 基本上,我可以在Spring Boot構建期間壓縮CSS /腳本嗎?
我能夠使用另一個名為minify-maven-plugin的縮小插件來完成此任務。
我能夠利用此插件的webappTargetDir
屬性來指示它將縮小的文件放在${project.build.outputDirectory}
目錄中(默認情況下解析為${project.build.directory}/classes
)。
通過將插件執行綁定到prepare-package
階段,我能夠使其縮小我的源文件,並在執行package
階段之前將它們復制到${project.build.outputDirectory}
。 這將導致在打包之前用縮小的源文件覆蓋原始源文件的所需行為。
以下是我的POM文件的摘錄,其中我配置了minify-maven-plugin以這種方式運行。
<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>
請注意,我選擇將原始(即未縮小的)Javascript源文件放置在項目樹中的${basedir}/src/main/resources/static/js
中。 我還啟用了nosuffix
和skipMerge
標志,以便將myscript.js
的縮小輸出保存到一個確切名稱的文件中(在您的情況下,這可能不是您想要的)。
更新(2018-04-13):根據要求,以下是我正在使用minify-maven-plugin的項目的整個POM文件。 關於此POM文件,需要注意以下幾點:
release-profile
時執行Javascript壓縮,因此您需要使用mvn clean install -P release-profile
類的內容來構建此項目,以便執行壓縮。 java -jar target/project-0.0.1-SNAPSHOT-exec.jar
。 這將啟動Spring Boot應用程序。 希望這對您有所幫助。
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>project</artifactId>
<packaging>jar</packaging>
<version>0.0.1-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.10.RELEASE</version>
</parent>
<properties>
<java.version>1.8</java.version>
<spring-boot.version>1.5.10.RELEASE</spring-boot.version>
<spock.version>1.1-groovy-2.4</spock.version>
<groovy.version>2.4.6</groovy.version>
<maven.javadoc.skip>true</maven.javadoc.skip>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${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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