52 lines
1.7 KiB
Bash
Executable File
52 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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# '\033[字背景颜色;字体颜色m字符串\033[0m'
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GREENCOLOR='\033[1;32m'
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REDCOLOR='\033[1;31m'
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NC='\033[0m'
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if type -p java; then
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#statements
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echo -e "${REDCOLOR}====================================================${NC}"
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printf " ${REDCOLOR} Java 已安装 ${NC}\n"
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echo -e "${REDCOLOR}====================================================${NC}"
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exit 0
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else
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echo -e "${GREENCOLOR}====================================================${NC}"
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printf " ${GREENCOLOR} 开始安装 Java ${NC}\n"
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echo -e "${GREENCOLOR}====================================================${NC}"
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# 创建目录文件
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mkdir /usr/java
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cd /usr/java
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# 获取 JDK，可以将 JDK 文件放到直链网盘或 OSS 云存储，此处放到城通网盘
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wget http://1453788.d.cturls.net/down/1453788/jdk/1.8/jdk-8u321-linux-x64.tar.gz -O jdk-8u321-linux-x64.tar.gz
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tar -zxvf /usr/java/jdk-8u321-linux-x64.tar.gz
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if type -p java; then
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echo -e "${REDCOLOR}====================================================${NC}"
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printf " ${REDCOLOR} Java 安装异常 ${NC}\n"
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echo -e "${REDCOLOR}====================================================${NC}"
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exit 1
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else
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printf "${GREENCOLOR} 设置环境变量... ${NC}\n"
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cat >> /etc/profile << "EOF"
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export JAVA_HOME=/usr/java/jdk1.8.0_321
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export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
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export PATH=$PATH:$JAVA_HOME/bin
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EOF
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source /etc/profile
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java -version
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echo -e "${GREENCOLOR}====================================================${NC}"
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printf " ${GREENCOLOR} Java 安装成功 请执行 source /etc/profile 命令 ${NC}\n"
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echo -e "${GREENCOLOR}====================================================${NC}"
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fi
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fi |