#!/bin/sh
#替换这里jar包的路径，根据实际修改
APP_NAME=/data/test/springboot-demo-0.1.jar

#使用说明，用来提示输入参数
usage() {
    echo "Usage: $0 [start|stop|restart|status]"
    exit 1
}
linge(){
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        echo "${APP_NAME} is $1"
    else
        echo "${APP_NAME} is $1"
    fi
}
#检查程序是否在运行
is_exist(){
  pid=`ps -ef|grep $APP_NAME|grep -v grep|awk '{print $2}'`
  #如果不存在返回1，存在返回0
  if [ -z "${pid}" ]; then
   return 1
  else
    return 0
  fi
}

#启动方法
start(){
  is_exist
  if [ $? -eq 0 ]; then
    echo "${APP_NAME} is already running. pid=${pid}"
  else
    nohup java -jar ${APP_NAME} > /dev/null 2>&1 &
    linge start
  fi
}

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

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

#重启
restart(){
  stop
  sleep 5
  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