4、shell脚本编程（start、 stop、 restart）

shell脚本编程（start、 stop、 restart）

#!/bin/sh

##java env

export JAVA_HOME=$JAVA_HOME

export JRE_HOME=$JAVA_HOME/jre

##service name

APP_NAME=user

SERVICE_DIR=/home/admin/product/njztc/service/$APP_NAME

SERVICE_NAME=njztc_service_$APP_NAME

JAR_NAME=$SERVICE_NAME\.jar

PID=$SERVICE_NAME\.pid

cd $SERVICE_DIR

case "$1" in

start)

nohup $JRE_HOME/bin/java -Xms256m -Xmx512m -jar $JAR_NAME >/dev/null 2>&1 &

echo $1 >$SERVICE_DIR/$PID

echo "===== start $SERVICE_NAME"

;;

stop)

kill 'cat $SERVICE_DIR/$PID'

rm -rf $SERVICE_DIR/$PID

echo "====== stop $SERVICE_NAME"

sleep 5

P_ID=`ps -ef | grep -w "$SERVICE_NAME" | grep -v "grep" | awk '{print $2}'`

if ["$P_ID" == ""]; then

echo "======= $SERVER_NAME process not exits or stop success"

else

echo "======= $SERVER_NAME process pid is:$P_ID"

echo "======= begin kill $SERVER_NAME process, pid is :$P_ID"

kill -9 $P_ID

fi

;;

restart)

$0 stop

sleep 2

$0 start

echo "======= restart $SERVER_NAME"

;;

*)

## restart

$0 stop

sleep 2

$0 start

esac

exit 0