java混淆代码
1.添加maven依赖
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<id>copy-and-filter-allatori-config</id>
<phase>package</phase>
<goals>
<goal>copy-resources</goal>
</goals>
<configuration>
<outputDirectory>${basedir}/target</outputDirectory>
<resources>
<resource>
<directory>allatori</directory>
<includes>
<include>allatori.xml</include>
</includes>
<filtering>true</filtering>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.2.1</version>
<executions>
<execution>
<id>run-allatori</id>
<phase>package</phase>
<goals>
<goal>exec</goal>
</goals>
</execution>
</executions>
<configuration>
<executable>java</executable>
<arguments>
<argument>-Xms128m</argument>
<argument>-Xmx512m</argument>
<argument>-jar</argument>
<argument>allatori/lib/allatori.jar</argument>
<argument>${basedir}/target/allatori.xml</argument>
</arguments>
</configuration>
</plugin>2.添加配置文件与依赖包
其中allatori.xml
<config>
<input>
<jar in="原始包.jar" out="原始包-obfuscated.jar"/>
</input>
<keep-names>
<class access="protected+">
<field access="private+"/>
<method access="protected+"/>
</class>
<!-- 所有方法名保持不变，参数也不变 -->
<method template="*(**)" parameters="keep"/>
</keep-names>
<property name="log-file" value="log.xml"/>
<!--
<property name="string-encryption" value="enable" apply2class="class com.linkingthing"/>
-->
<!-- 接口形参名保持不变 -->
<!--
<property name="local-variables-naming" value="keep-parameters"/>
-->
<ignore-classes>
<!-- 配置启动类不被混淆 保证springBoot可以正常启动 -->
<class template="class *Application*"/>
<class template="class *springframework*"/>
<class template="class com.xx.domain.*"/>
<class template="class org.apache.*"/>
<class template="class *mybatisplus.*"/>
<!--防止mybatis出现没有@Param取不到参数的情况-->
<class template="class *mapper.*"/>
</ignore-classes>
<!--这个是你项目打包好后的一个lib包你要引入进来不然会引起找不到类然后导致代码混淆较弱-->
<classpath>
<jar name="lib/*.jar"/>
</classpath>
</config>jar下载地址: https://allatori.com/downloads/Allatori-8.5-Demo.zip3.操作步骤
mvn clean
mvn dependency:copy-dependencies -DoutputDirectory=target/lib
mvn package -X -Dmaven.test.skip=true
mv target/原始.jar target/原始-bak.jar
mv target/原始-obfuscated.jar target/原始.jar
#验证可用性
java -jar target/原始.jar
调用mybatis的方法
4.优化
第3步是需要手工操作的，怎么实现自动化呢？主要是jar名需要带上maven里配置的版本号，并且最好能一句maven package就能完成，那么把这些命令弄成maven配置文件吧。
4.1配置maven在package阶段生成依赖的lib文件夹
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<type>jar</type>
<includeTypes>jar</includeTypes>
<outputDirectory>
${project.build.directory}/lib
</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>4.2 配置改jar文件名。因为allatori.xml里面不能配置带变量的jar包名，所以这里把jar包名改成固定的。
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
<execution>
<id>copy1</id>
<phase>package</phase>
<configuration>
<target>
<move file="target/${project.build.finalName}.jar" tofile="target/webinfo.jar"></move>
</target>
</configuration>
<goals>
<goal>run</goal>
</goals>
</execution>
</executions>
</plugin>4.3 修改上文中的exec-maven-plugin让之前的一个步骤变为2两步骤，第2个步骤是将jar包变改回来，改成带版本号的。
pom.xml,所有的依赖:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<type>jar</type>
<includeTypes>jar</includeTypes>
<outputDirectory>
${project.build.directory}/lib
</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
<execution>
<id>copy1</id>
<phase>package</phase>
<configuration>
<target>
<move file="target/${project.build.finalName}.jar" tofile="target/webinfo.jar"></move>
</target>
</configuration>
<goals>
<goal>run</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<id>copy-and-filter-allatori-config</id>
<phase>package</phase>
<goals>
<goal>copy-resources</goal>
</goals>
<configuration>
<outputDirectory>${basedir}/target</outputDirectory>
<resources>
<resource>
<directory>allatori</directory>
<includes>
<include>allatori.xml</include>
</includes>
<filtering>true</filtering>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>全量配置4个插件:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<type>jar</type>
<includeTypes>jar</includeTypes>
<outputDirectory>
${project.build.directory}/lib
</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
<execution>
<id>copy1</id>
<phase>package</phase>
<configuration>
<target>
<move file="target/${project.build.finalName}.jar" tofile="target/webinfo.jar"></move>
</target>
</configuration>
<goals>
<goal>run</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<id>copy-and-filter-allatori-config</id>
<phase>package</phase>
<goals>
<goal>copy-resources</goal>
</goals>
<configuration>
<outputDirectory>${basedir}/target</outputDirectory>
<resources>
<resource>
<directory>allatori</directory>
<includes>
<include>allatori.xml</include>
</includes>
<filtering>true</filtering>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.2.1</version>
<executions>
<execution>
<id>run-allatori</id>
<phase>package</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<executable>java</executable>
<arguments>
<argument>-Xms128m</argument>
<argument>-Xmx512m</argument>
<argument>-jar</argument>
<argument>allatori/lib/allatori.jar</argument>
<argument>${basedir}/target/allatori.xml</argument>
</arguments>
</configuration>
</execution>
<execution>
<id>run-allatori2</id>
<phase>package</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<executable>mv</executable>
<arguments>
<argument>${basedir}/target/webinfo-obfuscated.jar</argument>
<argument>${basedir}/target/${project.build.finalName}.jar</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>这里有个问题，混淆包名想自定义，用了mv命令，在mac没问题，windows下就报错了。
想了几个办法，
1.添加一个ant插件，混淆包名是固定的，而目标包名为
${project.build.finalName}.jar测试了，不行，因为ant插件先于exec执行，报错。网上资料一般说是按顺序执行，看来不是。2.使用exec改成windows的move,cmd 之类的命令，试了下，各种问题。也不能同时与mac兼容，放弃。
3.使用profile,这个需要在每类(test,prd)profile内添加这4个plugin，太冗余了。没试。
4.最后成功的，不使用mv命令，替换allatori.xml中的变量为包名。只是在resource的plugin里添加变量替换如delimit下：
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.6</version>
<configuration>
<delimiters>
<delimit>${*}</delimit>
</delimiters>
</configuration>
<executions>
<execution>
<id>copy-and-filter-allatori-config</id>
<phase>package</phase>
<goals>
<goal>copy-resources</goal>
</goals>
<configuration>
<outputDirectory>${basedir}/target</outputDirectory>
<resources>
<resource>
<directory>allatori</directory>
<includes>
<include>allatori.xml</include>
</includes>
<filtering>true</filtering>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>注意这里尝试了ant插件的copy filter,replace等标签均无效，就这样在allatori.xml定义外面知道的变量名就行了。如下
<jar in="webinfo.jar" out="${project.build.finalName}.jar" />相关阅读
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