maven中用yuicompressor和closure-compiler对js、css文件进行压缩

这个压缩js，性能是好，就是压缩太慢。不适合批量操作，太慢了。另外超过1M的js，压缩超级慢。

备用吧。

别用

yuicompressor.jar 的 2.4.8版本，有bug，压缩报路径错误，折磨我一上午。

<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>v20170218</version>
                                    <type>jar</type>
                                    <overWrite>true</overWrite>
                                    <outputDirectory>${project.build.directory}/compressor</outputDirectory>
                                    <destFileName>closure-compiler.jar</destFileName>
                                </artifactItem>
                                <artifactItem>
                                    <groupId>com.yahoo.platform.yui</groupId>
                                    <artifactId>yuicompressor</artifactId>
                                    <version>2.4.7</version>
                                    <type>jar</type>
                                    <overWrite>true</overWrite>
                                    <outputDirectory>${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>1.8</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}/css" />
                                <property name="js.compress.directory" value="${project.build.directory}/${project.build.finalName}/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>
                <dependencies>
                    <dependency>
                        <groupId>org.apache.ant</groupId>
                        <artifactId>ant</artifactId>
                        <version>1.10.1</version>
                    </dependency>
                </dependencies>
            </plugin>