shell文件：

#!/bin/sh

#关闭进程
killpids(){
  pids=($(ps -ef | grep $1 | awk '{print $2}'))
  for pid in ${pids[@]}; do
    echo "关闭进程: pid ${pid}"
    kill -9 ${pid}
  done
}
killpids tomcat

#搜索可能的安装目录
echo "Directory list:"
paths=($(find / -maxdepth 5 -type d -name '*tomcat*'))
if [ ${#paths[@]} -lt 1 ];then
  echo "Could not find your tomcat directory!"
  exit
fi

for((i=0; i<${#paths[@]}; i++));do
  if [[ ! ${paths[i]} =~ "tmp" ]]
    then
      echo "$i. ${paths[i]}"
  fi
done
echo -n "Which one is the root directory of tomcat? "

#读取根目录
while(true)
  do
    read sn
	if [[ $sn -ge 0 && $sn -lt ${#paths[@]} ]]
	  then
        path=${paths[sn]}
        echo $path
		break
	  else
	    echo "$sn is not expected"
	fi
  done

#设置环境变量
sed -i '/CATALINA_HOME/d' /etc/profile
echo "设置环境变量"
echo "export CATALINA_HOME=$path" >> /etc/profile
source /etc/profile


#开机启动
#1.添加 /etc/rc.d/init.d/tomcat
rm -rf /etc/rc.d/init.d/tomcat
touch /etc/rc.d/init.d/tomcat
chmod +x /etc/rc.d/init.d/tomcat
echo '#!/bin/bash
# chkconfig: 2345 89 2
# Description: Tomcat Server basic start/shutdown script
# /etc/init.d/tomcat -- startup script for the Tomcat servlet engine
' >> /etc/rc.d/init.d/tomcat
echo "TOMCAT_HOME=$path/bin
START_TOMCAT=$path/bin/startup.sh
STOP_TOMCAT=$path/bin/shutdown.sh
" >> /etc/rc.d/init.d/tomcat
echo 'start() {
 echo -n "Starting tomcat: "
 cd $TOMCAT_HOME
 ${START_TOMCAT}
 echo "done."
}

stop() {
 echo -n "Shutting down tomcat: "
 cd $TOMCAT_HOME
 ${STOP_TOMCAT}
 echo "done."
}

case "$1" in
 
start)
 start
 ;;

stop)
 stop
 ;;

restart)
 stop
 sleep 10
 start
 ;;

*)
 echo "Usage: $0 {start|stop|restart}"

esac
exit 0' >> /etc/rc.d/init.d/tomcat

#2.添加到chkconfig
chkconfig --add tomcat
chkconfig tomcat on

service tomcat restart