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

tar -zxvf apache-maven-3.6.3-bin.tar.gz

#进入maven解压目录
cd apache-maven-3.6.3
#复制maven路径
/app/apache-maven-3.6.3
#编辑/etc/profile文件
vim /etc/profile
#添加内容下
export MAVEN_HOME=/app/apache-maven-3.6.3
export PATH=$PATH:$MAVEN_HOME/bin

source /etc/profile

mvn -v

#编辑settings文件
vim /app/apache-maven-3.6.3/conf/settings.xml
#添加阿里云镜像仓库
  <mirror>
        <id>alimaven</id>
        <name>aliyun maven</name>
        <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
        <mirrorOf>central</mirrorOf>
    </mirror>