cd /usr/local/src

wget https://mirrors.tuna.tsinghua.edu.cn/apache/maven/\
maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz

#解压
tar -zxf apache-maven-3.6.3-bin.tar.gz -C /usr/local/

vi /etc/profile

#末尾添加
export MAVEN_HOME=/usr/local/apache-maven-3.6.3
export PATH=$PATH:$MAVEN_HOME/bin

source /etc/profile

mvn -v

#安装成功
Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: /usr/local/apache-maven-3.6.3
Java version: 1.8.0_222, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.222.b10-1.el7_7.x86_64/jre
Default locale: zh_CN, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-514.el7.x86_64", arch: "amd64", family: "unix"

mvn clean    #清空target目录已生成的包文件

mvn package  #将代码打包，一般在保存在target目录下面

mvn install  #将代码打包，并安装到本地仓库中，如果没有设置，一般保存在 用户目录 的.m2/目录下面

ln -s /usr/local/apache-maven-3.6.3/bin/mvn /usr/bin/mvn