1、下载maven
Maven – Download Apache Maven
https://maven.apache.org/download.cgi
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?二、上传到linux服务器
?解压：tar -zxvf apache-maven-3.8.3-bin.tar.gz
?三、配置环境
mv apache-maven-3.8.3-bin /root/maven
vi /etc/profile
最后追加
export MAVEN_HOME=/root/maven
export PATH=$MAVEN_HOME/bin:$PATH?
四、 刷新环境变量?
source /etc/profile
五、检查版本maven
mvn -v
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六、配置阿里仓库，编译速度更快
cd /root/maven/conf
vi settings.xml
找到标签mirror，将原来的镜像注释，换成阿里云的镜像。注意缩进
<!--
??? <mirror>
????? <id>maven-default-http-blocker</id>
????? <mirrorOf>external:http:*</mirrorOf>
????? <name>Pseudo repository to mirror external repositories initially using HTTP.</name>
????? <url>http://0.0.0.0/</url>
????? <blocked>true</blocked>
??? </mirror>
-->
<mirror>
????? <id>alimaven</id>
????? <name>aliyun maven</name>
????? <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
????? <mirrorOf>central</mirrorOf>
??? </mirror>
执行mvn clean install，成功
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