从官方网站注册账号下载安装包wget http://download.oracle.com/otn-pub/java/jdk/8u181-b13/96a7b8442fe848ef90c96a2fad6ed6d1/jdk-8u181-linux-x64.tar.gz?AuthParam=1534944641_98c5c182139b83879ca59a4db48d2f67...