我写了一个简单的shell脚本用户再CentOS 7服务器上快速安装JDK,其他版本的系统没有试过
废话不多说直接上代码
用的是华为的JDK镜像
GitHub源码地址:https://github.com/jonssonyan/tools
#!/usr/bin/env bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH
# Color
red='\033[31m'
green='\033[32m'
yellow='\033[33m'
plain='\033[0m'
get_char() {
SAVEDSTTY=$(stty -g)
stty -echo
stty cbreak
dd if=/dev/tty bs=1 count=1 2>/dev/null
stty -raw
stty echo
stty $SAVEDSTTY
}
# 一些说明
clear
echo
echo -e "${yellow}============================================================${plain}"
echo ' System Required: CentOS 7'
echo ' Description: Install JDK1.8'
echo ' Version: 1.0.0'
echo ' Author: Jonsson <[email protected]>'
echo ' Blog: https://blog.csdn.net/y1534414425'
echo ' GitHub: https://github.com/jonssonyan'
echo -e "${yellow}============================================================${plain}"
echo
echo "Press any key to start...or Press Ctrl+C to cancel"
char=$(get_char)
# 判断是否为root用户
[[ $EUID -ne 0 ]] && echo -e "[${red}Error${plain}] This script must be run as root!" && exit 1
# 判断JDK源文件是否下载过
if [ ! -f "./jdk-8u202-linux-x64.tar.gz" ]; then
wget https://repo.huaweicloud.com/java/jdk/8u202-b08/jdk-8u202-linux-x64.tar.gz
fi
# 解压JDK到指定文件夹
mkdir -p /usr/local/java && tar -zxvf jdk-8u202-linux-x64.tar.gz -C /usr/local/java
# 添加JDK到环境变量
chmod 700 /etc/profile
echo '#Java Env' >>/etc/profile
echo 'export JAVA_HOME=/usr/local/java/jdk1.8.0_202' >>/etc/profile
echo 'export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar' >>/etc/profile
echo 'export PATH=$PATH:$JAVA_HOME/bin' >>/etc/profile
source /etc/profile
# 判断是否为32位系统
bit=$(getconf LONG_BIT)
if [ ${
bit} -eq 32 ]; then
sudo yum install glibc.i686
fi
# 检测Java是否安装
java -version
if [ $? -eq 0 ]; then
echo -e "${yellow}============================================================${plain}"
echo -e "${green}JDK1.8安装成功${plain}"
echo -e "${yellow}============================================================${plain}"
else
echo -e "${yellow}============================================================${plain}"
echo -e "${red}JDK1.8安装失败,请检查你的配置${plain}"
echo -e "${yellow}============================================================${plain}"
fi