脚本
if type -p mvn; then
echo "maven has been installed."
else
cd /home/zenglg
wget https://dlcdn.apache.org/maven/maven-3/3.9.5/binaries/apache-maven-3.9.5-bin.tar.gz --no-check-certificate
tar vxf apache-maven-3.9.5-bin.tar.gz
rm -rf /usr/local/maven3
mv apache-maven-3.9.5 /usr/local/maven3
#设置mvn的环境变量
checkMvnExist()
{
mvn1=$(grep -n "MAVEN_HOME=.*" /etc/profile | cut -f1 -d':')
if [ -n "$mvn1" ];then
sed -i "${mvn1}d" /etc/profile
fi
mvn2=$(grep -n "export MAVEN_HOME" /etc/profile | cut -f1 -d':')
if [ -n "$mvn2" ];then
sed -i "${mvn2}d" /etc/profile
fi
mvn3=$(grep -n "export PATH=${PATH}:${MAVEN_HOME}/bin" /etc/profile | cut -f1 -d':')
if [ -n "$mvn3" ];then
sed -i "${mvn3}d" /etc/profile
fi
}
checkMvnExist
echo "MAVEN_HOME=/usr/local/maven3" >> /etc/profile
source /etc/profile
echo "export MAVEN_HOME" >> /etc/profile
if [[ ${PATH} =~ ${MAVEN_HOME}/bin ]]; then
echo " MAVEN_HOME has been set"
else
echo "export PATH=${PATH}:${MAVEN_HOME}/bin" >> /etc/profile
echo "setting MAVEN_HOME path successful."
fi
#保存刷新
source /etc/profile
fi
mvn -v
安装成功