s15.一键安装java脚本

#安装java8 root@ubuntu1804:~# cat install_jdk_8.sh #!/bin/bash # #********************************************************************************************** #Author: Raymond #QQ: 88563128 #Date: 2022-04-05 #FileName: install_jdk.sh #URL: raymond.blog.csdn.net #Description: The test script #Copyright (C): 2022 All rights reserved #********************************************************************************************* SRC_DIR=/usr/local/src COLOR="echo -e \\033[01;31m" END='\033[0m'  #下载地址：https://www.oracle.com/java/technologies/downloads/#java8 JDK_FILE="jdk-8u321-linux-x64.tar.gz" INSTALL_DIR=/usr/local  check_file (){ 
            cd ${SRC_DIR}     if [ ! -e ${JDK_FILE} ];then         ${COLOR}"缺少${JDK_FILE}文件"${END}         exit     else         ${COLOR}"相关文件已准备好"${END}     fi }  install_jdk(){ 
            [ -d ${INSTALL_DIR}/jdk ] && { 
        ${COLOR}"JDK已存在，安装失败"${END};exit; }     [  -d ${INSTALL_DIR} ] || mkdir -p ${INSTALL_DIR} &> /dev/null     cd ${SRC_DIR}     tar xf ${JDK_FILE} -C ${INSTALL_DIR}     ln -s ${INSTALL_DIR}/jdk1.8.* ${INSTALL_DIR}/jdk     cat >  /etc/profile.d/jdk.sh <<-EOF export JAVA_HOME=${INSTALL_DIR}/jdk export JRE_HOME=\$JAVA_HOME/jre export CLASSPATH=\$JAVA_HOME/lib/:\$JRE_HOME/lib/ export PATH=\$PATH:\$JAVA_HOME/bin EOF
    .  /etc/profile.d/jdk.sh
    java -version && ${COLOR}"JDK 安装完成"${END} || { 
        ${COLOR}"JDK 安装失败"${END} ; exit; }
}

main(){ 
       
    check_file
    install_jdk
}

main

#安装java11
root@ubuntu1804:~# cat install_jdk_11.sh
#!/bin/bash
#
#**********************************************************************************************
#Author: Raymond
#QQ: 88563128
#Date: 2022-04-05
#FileName: install_jdk.sh
#URL: raymond.blog.csdn.net
#Description: The test script
#Copyright (C): 2022 All rights reserved
#*********************************************************************************************
SRC_DIR=/usr/local/src
COLOR="echo -e \\033[01;31m"
END='\033[0m'

#下载地址:https://www.oracle.com/java/technologies/downloads/#java11
JDK_FILE="jdk-11.0.14_linux-x64_bin.tar.gz"
INSTALL_DIR=/usr/local

check_file (){ 
       
    cd ${SRC_DIR}
    if [ ! -e ${JDK_FILE} ];then
        ${COLOR}"缺少${JDK_FILE}文件"${END}
        exit
    else
        ${COLOR}"相关文件已准备好"${END}
    fi
}

install_jdk(){ 
       
    [ -d ${INSTALL_DIR}/jdk ] && { 
        ${COLOR}"JDK已存在，安装失败"${END};exit; }
    [  -d ${INSTALL_DIR} ] || mkdir -p ${INSTALL_DIR} &> /dev/null
    cd ${SRC_DIR}
    tar xf ${JDK_FILE} -C ${INSTALL_DIR}
    ln -s ${INSTALL_DIR}/jdk-11.0.* ${INSTALL_DIR}/jdk
    cat >  /etc/profile.d/jdk.sh <<-EOF export JAVA_HOME=${INSTALL_DIR}/jdk export JRE_HOME=\$JAVA_HOME/jre export CLASSPATH=\$JAVA_HOME/lib/:\$JRE_HOME/lib/ export PATH=\$PATH:\$JAVA_HOME/bin EOF
    .  /etc/profile.d/jdk.sh
    java -version && ${COLOR}"JDK 安装完成"${END} || { 
        ${COLOR}"JDK 安装失败"${END} ; exit; }
}

main(){ 
       
    check_file
    install_jdk
}

main