Java_sdk安装

自动化安装脚本如下，官网下载好Java sdk包后，配置好存放路径和安装路径，执行即可。

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#!/bin/bash
# Java sdk包存放路径
java_addr=""

# Java sdk的安装路径
java_home=""


# 创建安装目录
mkdir -p $java_home
if [ "$?" != "0" ]; then
    echo 'create file failed!'
    exit 1
fi


# 解压安装包
tar -zxvf $java_addr $java_home
if [ "$?" != "0" ]; then
    echo 'decompression file failed!'
    exit 1
fi

# 配置Java环境变量
name=$(ls $java_home | grep jdk)
echo "export JAVA_HOME=${java_home}/${name}" >> /etc/profile
echo 'export PATH=$JAVA_HOME/bin:$PATH' >> /etc/profile
echo 'export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar' >> /etc/profile
if [ "$?" != "0" ]; then
    echo 'decompression file failed!'
    exit 1
fi

source /etc/profile

echo 'install successful!'