注意事项

• 先装好jdk

Mac OS

$ tar -zxvf ~/dev/doc/apache-maven-3.5.4-bin.tar.gz -C ~/dev/tools/
$ mv ~/dev/tools/apache-maven-3.5.4/ ~/dev/tools/maven-3.5.4
$ ln -s ~/dev/tools/maven-3.5.4/ ~/dev/tools/maven
$ vim ~/.bash_profile
       export M2_HOME=/home/user000/tools/maven
       export PATH=$PATH:$M2_HOME/bin
$ source ~/.bash_profile
$ mvn -v
$ vim ~/dev/tools/maven/conf/settings.xml
配置默认JDK版本
   <profile>
     <id>jdk-1.8</id>
     <activation>
       <activeByDefault>true</activeByDefault>
       <jdk>1.8</jdk>
     </activation>
     <properties>
       <maven.compiler.source>1.8</maven.compiler.source>
       <maven.compiler.target>1.8</maven.compiler.target>
       <maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>
     </properties>
    </profile>
阿里云镜像
    <mirror> 
      <id>alimaven</id> 
      <name>aliyun maven</name> 
      <url>http://maven.aliyun.com/nexus/content/groups/public/</url> 
      <mirrorOf>central</mirrorOf> 
    </mirror>