Linux jar包脚本

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脚本内容

#!/bin/bash

appname=$2

usage() {
    echo "Usage: sh operate.sh [start|stop|restart|status]"
    exit 1
}

is_exist() {
    pid=`ps -ef | grep $appname | grep java | grep -v grep | awk '{print $2}' `
    if [ -z "${pid}" ]; then
        return 1
    else
        return 0
    fi
}

#启动方法
start() {
   is_exist
   if [ $? -eq "0" ]; then
     echo "${appname} is already running. pid=${pid}."
   else
     nohup java -jar $appname &
   fi
}

#停止方法
stop() {
   is_exist
   if [ $? -eq "0" ]; then
     kill -9 $pid
   else
     echo "${appname} is not running"
   fi
}

#输出运行状态
status() {
   is_exist
   if [ $? -eq "0" ]; then
     echo "$appname is running. Pid is ${pid}."
   else
     echo "$appname is not running."
   fi
}

#重启
restart() {
   stop
   start
}

#根据输入参数，选择执行对应方法，不输入则执行使用说明
case "$1" in
   "start")
     start
     ;;
   "stop")
     stop
     ;;
   "status")
     status
     ;;
   "restart")
     restart
     ;;
   *)
     usage
     ;;
esac

使用方法

sh operate.sh [start|stop|restart|status] name.jar

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