shell安装jdk环境

注意：将jdk包放在dir目录
下载地址：
链接：https://pan.baidu.com/s/1KaheqYq5JIyayhrmqSQT0w
提取码：upba

#!/bin/bash

#================================================================
#   Copyright (C) 2019  All rights reserved.
#   
#   File：：jdk_install.sh
#   Author：RoES
#   Date：2019/07/2
#   Description：install jdk
#
#================================================================

dir="/home/service"
jdk_download_path="jdk-8u191-linux-x64"
jdk_name="jdk-8u191-linux-x64.tar.gz"

 #  jdk config
  [ -e $dir ] && cd $dir
  if [ -f $jdk_name ]
    then
      echo 'jdk download success'
      # tar file
      tar -zxvf $jdk_name -C .
      mv jdk1.8.0_191 java
      echo 'export JAVA_HOME=/home/service/java' >> /etc/profile
      echo 'export JRE_HOME=${JAVA_HOME}/jre' >> /etc/profile
      echo 'export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib' >> /etc/profile
      echo 'export PATH=${JAVA_HOME}/bin:$PATH' >> /etc/profile
      #source 只在当前会话有效      
      source /etc/profile
      echo 'source /etc/profile' >> ~/.bashrc
      java -version
   fi