1.下载
Community：
https://www.jetbrains.com/idea/download/
校验和：
https://download.jetbrains.com/idea/ideaIC-2017.2.5.tar.gz.sha256
值：
194e6d4e5d2216c2f708842375be9f4ede5f731924b2710cf12c02e3351fe606 *ideaIC-2017.2.5.tar.gz
2.安装
tar -zxvf ideaIC-2017.2.5.tar.gz
cd /data/client/idea-IC/
chmod a=+rx bin/idea.sh
...
3.配置
JavaSE:Configure ProjectDefaults ProjectStructure Project New... JAVA_HOME OK
Maven:Configure Settings Build,Execution,Deployment BuildTools Maven