1 使用wget获取需要的JDK包

wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.tar.gz"

2 解压缩

tar -zxvf jdk-8u141-linux-x64.tar.gz

3 配置环境变量

  

vim /etc/profile

  

4 输入相关的地址

JAVA_HOME=/opt/java/jdk1.8.0_141 
PATH=$PATH:$JAVA_HOME/bin 
export PATH