1 上传到/home

OpenJDK17U-jdk_x64_linux_hotspot_17.0.5_8.tar.gz
apache-maven-3.8.7-bin.tar.gz

2 解压

tar -zxvf apache-maven-3.8.7-bin.tar.gz
mv apache-maven-3.8.7 maven
tar -zxvf OpenJDK17U-jdk_x64_linux_hotspot_17.0.5_8.tar.gz
mv jdk-17.0.5+8 jdk

3 设置环境变量

vim /etc/profile

export JAVA_HOME=/home/jdk/
export CLASSPATH=.:$JAVA_HOME/lib/jrt-fs.jar
export MAVEN_HOME=/home/maven
export PATH=$JAVA_HOME/bin:$MAVEN_HOME/bin:$PATH

source /etc/profile

4 设置maven仓库

vim home/maven/conf/settings.xml

<mirror><!-- 阿里云仓库 -->
    <id>alimaven</id>
    <mirrorOf>central</mirrorOf>
    <name>aliyun maven</name>
    <url>http://maven.aliyun.com/nexus/content/repositories/central/</url>
</mirror>
<mirror><!-- 中央仓库1 -->
    <id>repo1</id>
    <mirrorOf>central</mirrorOf>
    <name>Human Readable Name for this Mirror.</name>
    <url>http://repo1.maven.org/maven2/</url>
</mirror>
<mirror><!-- 中央仓库2 -->
    <id>repo2</id>
    <mirrorOf>central</mirrorOf>
    <name>Human Readable Name for this Mirror.</name>
    <url>http://repo2.maven.org/maven2/</url>
</mirror>

5 安装git客户端下载代码

yum install http://opensource.wandisco.com/centos/7/git/x86_64/wandisco-git-release-7-1.noarch.rpm -y
yum install git -y
cd /home/
git clone https://gitee.com/gao_zhenzhong/code.git

6 编辑shell脚本

vim start.sh 
chmod 755 start.sh

#!/bin/bash
pkill -f code-1.0.jar
cd /mnt/code/
git pull
rm -rf target
mvn package
cd ~
rm -rf code-1.0.jar
cd /mnt/code/target/
cp code-1.0.jar ~/
cd ~
java -jar code-1.0.jar&