#!/bin/bash
#得到时间
TIME_FLAG=`date +%Y%m%d_%H%M%S`
#备份配置文件
cp /etc/profile /etc/profile.bak_$TIME_FLAG
echo -e "Begin to install maven,Please waiting..."
#解压maven
tar zxvf apache-maven-3.6.2-bin.tar.gz
mv apache-maven-3.6.2 /usr/local/maven
#修改maven的环境变量,直接写入配置文件
echo "#MAVEN_HOME" >>/etc/profile
echo "export MAVEN_HOME=/usr/local/maven" >>/etc/profile
echo "export PATH=\$PATH:\$MAVEN_HOME/bin" >>/etc/profile
#运行后直接生效
source /etc/profile
echo -e "Maven installation completed"

不行的话重新执行一下source /etc/profile