先安装Java SDK
yum install -y java-1.8.0-openjdk-devel
接着下载lein，并执行下载环境
1mkdir -p /opt/bin 2wget https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein 3mv lein /opt/bin/ 4chmod +x /opt/bin/lein 5wget https://github.com/technomancy/leiningen/releases/download/2.7.1/leiningen-2.7.1-standalone.zip 6mkdir -p ~/.lein/self-installs/ 7mv leiningen-2.7.1-standalone.zip ~/.lein/self-installs/leiningen-2.7.1-standalone.jar 8/opt/bin/lein 9/opt/bin/lein upgrade 10/opt/bin/lein repl