centos7一键安装jdk1.8 shell脚本

脚本

#!/bin/bash
if type -p java; then
    echo 'Java has been installed.'
    exit 0
else
    echo 'start install java...'
    java_home=/opt/software/jdk8
    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"
    mkdir -p ${java_home}
    tar -xvf jdk-8u141-linux-x64.tar.gz -C ${java_home} --strip-components 1
    echo "export PATH=$PATH:${java_home}/bin" >> /etc/profile
    echo 'setting path successful.'
    source /etc/profile
    echo 'install successful.'
fi

注意：使用source 脚本命令执行。