一篇完整的基础环境搭建指南 - JDK

# 执行shell脚本，安装JDK
source jdk_install.sh

#!/bin/bash
cur_pass=`pwd`
jdk_install_file=$cur_pass"/jdk_install_process"
echo "=====`date`===start JDK install  !!!!=====" >>$jdk_install_file
if [ -d "/usr/lib/jdk1.8.0_45" ];then
   echo "=====`date`===JDK install over !!!!=====" >>$jdk_install_file
   exit 0
fi
if [ ! -f "./jdk-8u45-linux-x64.gz" ];then
   echo "=====`date`===JDK install pkg not exists !!!!=====" >>$jdk_install_file
   exit -1
fi
`tar zxf jdk-8u45-linux-x64.gz`
`mv jdk1.8.0_45 /usr/lib/`
echo "export JAVA_HOME=/usr/lib/jdk1.8.0_45" >>/etc/profile
echo "export PATH=\$PATH:\$JAVA_HOME\"/bin\"" >>/etc/profile
echo "=====`date`=== JDK install SUCCESS !!!!=====" >>$jdk_install_file

java -version