安装Maven

• maven官方的中央仓库：https://mvnrepository.com/

1、下载maven

//Maven下载地址
https://maven.apache.org/download.cgi
https://maven.apache.org/docs/history.html

2、安装maven

]# tar zvfx ./apache-maven-3.9.4-bin.tar.gz -C /usr/local/

]# cd /usr/local/
]# ln -s apache-maven-3.9.4 apache-maven

3、配置maven的环境变量

//(1)向/etc/profile文件中添加如下配置
]# vim /etc/profile
export MAVEN_HOME=/usr/local/apache-maven
export PATH=${PATH}:$MAVEN_HOME/bin
 
//(2)使配置生效
]# source /etc/profile

4、验证maven是否已经安装配置成功

//如果安装配置成功，则会正确显示出maven和JDK的版本信息
]# mvn -v
Apache Maven 3.9.4 (dfbb324ad4a7c8fb0bf182e6d91b0ae20e3d2dd9)
Maven home: /usr/local/apache-maven
Java version: 1.8.0_162, vendor: Oracle Corporation, runtime: /usr/local/jdk1.8.0_162/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-1062.el7.x86_64", arch: "amd64", family: "unix"

5、配置maven

]# vim /usr/local/apache-maven/conf/settings.xml
//配置本地仓库
  <localRepository>/data/maven-repo</localRepository>

//由于maven的中央仓库在国外，下载jar包速度可能比较慢，所以可以配置一个国内的私服，如阿里云的maven私服。
  <mirrors>
    <mirror>
      <id>aliyun</id>
      <mirrorOf>central</mirrorOf>
      <name>aliyun maven</name>
      <url>https://maven.aliyun.com/repository/public</url>
      <blocked>true</blocked>
    </mirror>
  </mirrors>

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