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发表时间：2012-05-21
最后修改：2012-05-21
如果你不知道UglifyJS就out了，jquery的官方压缩工具啦～
本来UglifyJS没有windows的客户端压缩工具，后来自己参照YUI的BAT工具（好像是淘宝一个哥们写的）改写了一个，具体见下面的说明。 REM ===================================== REM YUI Compressor CMD Script REM REM - by yubo@taobao.com REM - 2009-02-12 REM ===================================== 自己修改后的： UglifyJS 安装指南 ========= 安装步骤： 0. 安装nodejs运行环境:http://nodejs.org/,设置nodejs的安装目录到PATH中，一句话CMD中输入 node --version： --->C:\Users\xin>node --version --->v0.6.15 1. 安装请点击 install.cmd 2. 卸载请点击 uninstall.cmd 3. 如果安装过之前的版本，请先卸载老版本 压缩测试： 选中 test.js, 执行右键菜单“Process with UglifyJS”，会生成 test-min.js. 注意需要nodejs环境，怎么安装？自己谷歌吧,还有jsp里面的script标签要标准哦，只能是:"<script>"和'<script type="text/javascript">'，其他的自己去写吧，text.indexOf('<script type="text/javascript">') 当然我觉得这个工具最好能支持压缩jsp里的js代码啦，所以自己看了下bin下面的uglifyjs文件，无非就是一些js的函数，找到了修改代码的切入点：output(squeeze_it(text))，接下来就好办了，下图为修改前后的对比： 
最后看看实际效果图吧： 
最后附上maven下面的压缩脚本：
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.5</version>
<executions>
<execution>
<id>copy-config</id>
<goals>
<goal>copy-resources</goal>
</goals>
<phase>compile</phase>
<configuration>
<outputDirectory>${project.build.directory}</outputDirectory>
<resources>
<resource>
<directory>src/test/resources</directory>
<includes>
<include>uglify/*</include>
<include>uglify/lib/*</include>
</includes>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<version>1.7</version>
<executions>
<execution>
<phase>install</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<target>
<echo message="开始用uglifyjs压缩 JSP 文件. 请耐心等待！" />
<property name="uglifyjs" value="${project.build.directory}/uglify/uglifyjs" />
<property name="jsp.compress.directory" value="${project.build.directory}/${project.build.finalName}/WEB-INF" />
<apply executable="node" parallel="false" failonerror="true" dest="${jsp.compress.directory}">
<fileset dir="${jsp.compress.directory}" includes="**/*.jsp" />
<arg line=" ${uglifyjs}" />
<arg line=" --ascii" />
<arg line=" -o" />
<targetfile />
<srcfile />
<mapper type="regexp" from="^(.*)\.(jsp)$" to="\1-min.\2" />
</apply>
<move todir="${jsp.compress.directory}">
<fileset dir="${jsp.compress.directory}" includes="**/*.jsp" />
<mapper type="regexp" from="^(.*)-min\.(jsp)$" to="\1.\2" />
</move>
<echo message="成功用uglifyjs压缩 JSP 文件" />
<echo message="开始用uglifyjs压缩 JS 文件. 请耐心等待！" />
<property name="uglifyjs" value="${project.build.directory}/uglify/uglifyjs" />
<property name="js.compress.directory" value="${project.build.directory}/${project.build.finalName}/resources/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)$" to="\1.\2" />
</move>
<echo message="成功用uglifyjs压缩 JS 文件" />
</target>
</configuration>
</execution>
</executions>
</plugin>
<!-- CSS压缩 -->
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.3.0</version>
<executions>
<execution>
<phase>install</phase>
<goals>
<goal>compress</goal>
</goals>
<configuration>
<includes>
<include>**/*.css</include>
</includes>
<nosuffix>true</nosuffix><!-- 不需要后缀 -->
<linebreakpos>-1</linebreakpos><!-- 是否在一行 -->
</configuration>
</execution>
</executions>
</plugin>
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发表时间：2012-05-29
一开始没注意phase，所以导致不能把压缩后的js和jsp打包到war包里面，解决办法：
<!-- 思路：打包直接把js和jsp压缩后复制到目的地，在war插件的复制里面，排除刚刚复制的js和jsp，这样就不会覆盖了。打包的时候也能打进去了。 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.5</version>
<executions>
<execution>
<id>copy-config</id>
<goals>
<goal>copy-resources</goal>
</goals>
<phase>compile</phase>
<configuration>
<outputDirectory>${project.build.directory}</outputDirectory>
<resources>
<resource>
<directory>src/test/resources</directory>
<includes>
<include>uglify/*</include>
<include>uglify/lib/*</include>
</includes>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<version>1.7</version>
<executions>
<execution><!-- 打包之前做 -->
<phase>prepare-package</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<target>
<echo message="开始用uglifyjs压缩 JSP 文件. 请耐心等待！" />
<property name="uglifyjs" value="${project.build.directory}/uglify/uglifyjs" />
<property name="jsp.compress.out.directory" value="${project.build.directory}/${project.build.finalName}/WEB-INF" />
<property name="jsp.compress.directory" value="src/main/webapp/WEB-INF" />
<apply executable="node" parallel="false" failonerror="true" dest="${jsp.compress.directory}">
<fileset dir="${jsp.compress.directory}" includes="**/*.jsp" />
<arg line=" ${uglifyjs}" />
<arg line=" --ascii" />
<arg line=" -o" />
<targetfile />
<srcfile />
<mapper type="regexp" from="^(.*)\.(jsp)$" to="\1-min.\2" />
</apply>
<move todir="${jsp.compress.out.directory}">
<fileset dir="${jsp.compress.directory}" includes="**/*-min.jsp" />
<mapper type="regexp" from="^(.*)-min\.(jsp)$" to="\1.\2" />
</move>
<echo message="成功用uglifyjs压缩 JSP 文件" />
<echo message="开始用uglifyjs压缩 JS 文件. 请耐心等待！" />
<property name="uglifyjs" value="${project.build.directory}/uglify/uglifyjs" />
<property name="js.compress.out.directory" value="${project.build.directory}/${project.build.finalName}/resources/js" />
<property name="js.compress.directory" value="src/main/webapp/resources/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="${js.compress.out.directory}">
<fileset dir="${js.compress.directory}" includes="**/*-min.js" />
<mapper type="regexp" from="^(.*)-min\.(js)$" to="\1.\2" />
</move>
<echo message="成功用uglifyjs压缩 JS 文件" />
</target>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<!-- 打war包插件 -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.2</version>
<configuration>
<!-- 声明：packagingExcludes中的*.properties文件均位于src/main/resources目录中 warSourceExcludes中的?test/*,venue/**位于src/main/webapp目录中 -->
<warSourceExcludes>resources/js/**/*.js,WEB-INF/views/**/*.jsp</warSourceExcludes>
<archive>
<!-- 不把maven的依赖加入 -->
<addMavenDescriptor>false</addMavenDescriptor>
</archive>
</configuration>
</plugin>
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