前端js和css的压缩合并之YUI-Compressor_html/css_WEB-ITnose
me:注:早已经迁往github上了。
地址:https://github.com/yui/yuicompressor/blob/master/README.md
From: http://www.everycoding.com/coding/80.html
YUI Compressor Maven插件压缩 js、css并输出war包
YUI Compressor是一款非常强大JS混淆和压缩工具。目前很多Javascript框架都使用YUI Compressor进行了代码压缩。据说鼎鼎有名的Jquery框架也是使用YUI Compressor进行压缩。YUI Compressor压缩的好处是不仅大大减少js、css的体积,同时在对javascript代码的混淆压缩中对属性命名的替换,使得压缩过的js不易阅读,能起到源码的保护作用。本文主要介绍YUI Compressor的使用方法和技巧。
一、在Maven pom.xml文件中,添加YUI Compressor 插件。代码如下:
<plugin> <groupId>net.alchim31.maven</groupId> <artifactId>yuicompressor-maven-plugin</artifactId> <version>1.3.0</version> <executions> <execution> <goals> <goal>compress</goal> </goals> </execution> </executions> <configuration> <skip>false</skip> <!-- 读取js,css文件采用UTF-8编码 --> <encoding>UTF-8</encoding> <jswarn>false</jswarn> <!-- 若存在已压缩的文件,会先对比源文件是否有改动。有改动便压缩,无改动就不压缩 --> <force>false</force> <!-- <suffix>.min</suffix> --> <nosuffix>true</nosuffix> <!-- 在指定的列号后插入新行 --> <linebreakpos>-1</linebreakpos> <!-- 压缩之前先执行聚合文件操作 --> <preProcessAggregates>true</preProcessAggregates> <aggregations> <aggregation> <removeIncluded>true</removeIncluded> <insertNewLine>true</insertNewLine> <inputDir>${project.build.directory}/${project.build.finalName}/resources/static/js </inputDir> <output>${project.build.directory}/${project.build.finalName}/build/js/basic.min.js </output> <includes> <include>jquery-1.7.2.js</include> <include>everycoding.js</include> <include>front.js</include> </includes> </aggregation> <aggregation> <insertNewLine>true</insertNewLine> <inputDir>${project.build.directory}/${project.build.finalName}/resources/static/css </inputDir> <output>${project.build.directory}/${project.build.finalName}/build/css/basic.min.css </output> <includes> <include>common.css</include> <include>front.css</include> </includes> </aggregation> </aggregations> </configuration></plugin>
aggregations:管理需要分类合并的Js、Css
二、使用Maven命令执行压缩:
mvn yuicompressor:compress
三、打war时,如果需要排除未压缩的js、css文件,可使用如下方法:
<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <version>2.4</version> <configuration> <warSourceExcludes>**/*.js,**/*.css</warSourceExcludes> </configuration></plugin>
YUI Compressor官网: http://yui.github.io/yuicompressor/
相关配置参数说明: http://alchim31.free.fr/mvnsites/yuicompressor-maven-plugin/compress-mojo.html
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