mac 下 maven 配置

进入官网下载maven

1，打开终端 输入 vi ~/.bash_profile

2,按i进入编辑状态

3，输入

export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_71.jdk/Contents/Home
export M2_HOME=/Users/jianjun-wu/apache-maven-3.3.9
export PATH=$PATH:$M2_HOME/bin
4,按yes退出编辑状态
5,输入:wq保存退出
6,输入
source ~/.bash_profile;
执行命令
7，输入 
echo $M2_HOME
8，输入 
mvn -version
出现如下 配置成功
Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-11T00:41:47+08:00)
Maven home: /Users/jianjun-wu/apache-maven-3.3.9
Java version: 1.8.0_71, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.8.0_71.jdk/Contents/Home/jre
Default locale: zh_CN, platform encoding: UTF-8
OS name: "mac os x", version: "10.12.3", arch: "x86_64", family: "mac"