举例说明任务下载安装apache-maven-3.9.4一、下载1.Maven官网Download Apache Maven – Mavenhttps://maven.apache.org/download.cgi2.下载3.9.4点击首页的Maven 3 archives 所有的3.x.x的maven版本都在这Index of /dist/maven/maven-3https://archive.apache.org/dist/maven/maven-3/点击3.9.4/进入点击binaries/,进入点击apache-maven-3.9.4-bin.tar.gz下载二、安装1.mac电脑默认是下载到Downloads文件夹的将tar包copy到自己想要放的文件夹下我存放的路径是/Users/maobei888/software/apache-maven-3.9.42.双击apache-maven-3.9.4即可解压3.在终端执行export MAVEN_HOME/Users/maobei888/software/apache-maven-3.9.4 export PATH$MAVEN_HOME/bin:$PATH cat ~/.zshrc | grep MAVEN source ~/.zshrc mvn -v4.mvn -v显示出3.9.4说明安装成功但仅对当前窗口有效永久有效则需加以下两行echo export MAVEN_HOME/Users/maobei888/software/apache-maven-3.9.4 ~/.zshrc echo export PATH$MAVEN_HOME/bin:$PATH ~/.zshrc然后 重新加载source ~/.zshrc之后再执行mvn -v即可。5.验证是否安装成功重新打开一个终端窗口输入 mvn -v显示如下则成功