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发表时间：2012-04-06
最后修改：2012-04-09
项目采用maven构建的时候，需要压缩js，css等，网上找了相关资料，自己综合了下～
直接放代码：
<!-- js压缩 -->
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.3.0</version>
<executions>
<execution>
<phase>install</phase>
<goals>
<goal>compress</goal>
</goals>
<configuration>
<excludes>
<exclude>**/*.min.js</exclude>
<exclude>**/*-min.js</exclude>
</excludes>
<nosuffix>true</nosuffix>
<linebreakpos>-1</linebreakpos>
</configuration>
</execution>
</executions>
</plugin>
<!-- native2ascii -->
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>native2ascii-maven-plugin</artifactId>
<version>1.0-beta-1</version>
<executions>
<execution>
<phase>install</phase>
<goals>
<goal>native2ascii</goal>
</goals>
<configuration>
<workDir>${project.build.directory}/${project.build.finalName}</workDir>
<excludes>
<exclude>**/*.css</exclude>
</excludes>
<includes>
<include>resources/js/*.js</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
更喜欢采用谷歌的closure-compiler + maven-antrun-plugin
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.4</version>
<executions>
<execution>
<phase>validate</phase>
<goals>
<goal>copy</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>com.google.javascript</groupId>
<artifactId>closure-compiler</artifactId>
<version>r1810</version>
<type>jar</type>
<overWrite>true</overWrite>
<outputDirectory>${project.build.directory}/compressor</outputDirectory>
<destFileName>closure-compiler.jar</destFileName>
</artifactItem>
<artifactItem>
<groupId>com.yahoo.platform.yui</groupId>
<artifactId>yuicompressor</artifactId>
<version>2.4.6</version>
<type>jar</type>
<overWrite>true</overWrite>
<outputDirectory>${project.build.directory}/compressor</outputDirectory>
<destFileName>yuicompressor.jar</destFileName>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<version>1.7</version>
<executions>
<execution>
<phase>install</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<tasks>
<echo message="开始压缩 JS 文件. 请耐心等待！" />
<property name="yuicompressor" value="${project.build.directory}/compressor/yuicompressor.jar" />
<property name="closure-compiler" value="${project.build.directory}/compressor/closure-compiler.jar" />
<property name="css.compress.directory" value="${project.build.directory}/${project.build.finalName}/resources" />
<property name="js.compress.directory" value="${css.compress.directory}/js" />
<apply executable="java" parallel="false" failonerror="true" dest="${js.compress.directory}">
<fileset dir="${js.compress.directory}" includes="**/*.js" />
<arg line="-jar" />
<arg path="${closure-compiler}" />
<arg line="--warning_level DEFAULT" />
<arg line="--compilation_level SIMPLE_OPTIMIZATIONS" />
<arg line="--js" />
<srcfile />
<arg line="--js_output_file" />
<targetfile />
<mapper type="regexp" from="^(.*)\.(js)$" to="\1-min.\2" />
</apply>
<move todir="${js.compress.directory}">
<fileset dir="${js.compress.directory}" includes="**/*.js" />
<mapper type="regexp" from="^(.*)-min\.(js)$" to="\1.\2" />
</move>
<echo message="成功压缩 JS 文件" />
<echo message="开始压缩 CSS 文件. 请耐心等待！" />
<apply executable="java" parallel="false" failonerror="true" dest="${css.compress.directory}">
<fileset dir="${css.compress.directory}" includes="**/*.css" />
<arg line="-jar" />
<arg path="${yuicompressor}" />
<arg line="--charset UTF-8" />
<arg value="--type"/>
<arg value="css"/>
<srcfile />
<arg line="-o" />
<targetfile />
<mapper type="regexp" from="^(.*)\.(css)$" to="\1-min.\2" />
</apply>
<move todir="${css.compress.directory}">
<fileset dir="${css.compress.directory}" includes="**/*.css" />
<mapper type="regexp" from="^(.*)-min\.(css)$" to="\1.\2" />
</move>
<echo message="成功压缩 CSS 文件" />
</tasks>
</configuration>
</execution>
</executions>
</plugin>
JQUERY 的压缩工具 uglifyjs版本的配置，必须要有nodejs环境 （executable="node"）即在cmd中能够执行 node --version. uglifyjs可以在https://github.com/mishoo/UglifyJS 下载，下载后续稍稍修改bin/uglifyjs，把里面的
var uglify = require("uglify-js")
修改为
var uglify = require("./uglify-js");//或者 ../uglify-js
因为uglify-js默认是在bin目录外面的。 如需更新uglify的版本，每次覆盖相应文件，只修改上面文件即可。
<echo message="开始压缩 JS 文件. 请耐心等待！" />
<property name="uglifyjs" value="${project.build.directory}/compressor/uglify/uglifyjs" />
<property name="yuicompressor" value="${project.build.directory}/compressor/yuicompressor.jar" />
<property name="closure-compiler" value="${project.build.directory}/compressor/closure-compiler.jar" />
<property name="css.compress.directory" value="${project.build.directory}/${project.build.finalName}/resources" />
<property name="js.compress.directory" value="${css.compress.directory}/js" />
<apply executable="node" parallel="false" failonerror="true" dest="${js.compress.directory}">
<fileset dir="${js.compress.directory}" includes="**/*.js" />
<arg line=" ${uglifyjs}" />
<arg line=" --ascii" />
<arg line=" -o" />
<targetfile />
<srcfile />
<mapper type="regexp" from="^(.*)\.(js)$" to="\1-min.\2" />
</apply>
<move todir="${js.compress.directory}">
<fileset dir="${js.compress.directory}" includes="**/*.js" />
<mapper type="regexp" from="^(.*)-min\.(js)$" to="\1.\2" />
</move>
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