第一步 1.下载安装gradle
cd /opt
wget https://services.gradle.org/distributions/gradle-3.2-bin.zip
unzip gradle-3.2-bin.zip
ln -s gradle-3.2 gradle
Step 2. 设置环境变量
vim /etc/profile.d/gradle-env.sh
export GRADLE_HOME=/opt/gradle
export PATH=$PATH:$GRADLE_HOME/bin
source /etc/profile.d/gradle-env.sh