Tomcat启动和停止脚本

#!/bin/bash
CATALINA_HOME=/usr/local/apache-tomcat-8.5.56
STARTUP=$CATALINA_HOME/bin/startup.sh
SHUTDOWN=$CATALINA_HOME/bin/shutdown.sh


function isstart(){
status=`netstat -an | grep 8080 | awk '{print $6}'`
if [ $status = 'LISTEN' ];then
        return 1
else
        return 2
fi
}


function startup(){
echo "判断Tomcat状态"
isstart
s=$?
if [ $s -eq 1 ];then
    echo "Tomcat已经启动,不需要再次启动"
else
    echo "Tomcat没有运行,1s 后启动Tomcat"
    sleep 1 
    $STARTUP
fi
}


function shutdown(){
echo "判断Tomcat状态"
isstart
s=$?
if [ $s -eq 2 ];then
        echo "Tomcat已经关闭,不需要再次关闭"
p
else 
        echo "Tomcat已在运行,1s 后关闭Tomcat"
        sleep 1
        $SHUTDOWN
    　　 pidlist=`ps -ef |grep $CATALINA_HOME  |grep -v "grep"|awk '{print $2}'`
   　 　 kill -9 $pidlist
fi
}


function restart(){
    shutdown
    startup
}


case $1 in
'startup')
startup
;;

'shutdown')
shutdown
;;

'restart')
restart
;;

*)
echo "请输入正确参数 startup / shutdown / restart"
esac