https://www.cnblogs.com/lovychen/p/6211209.html 参考
centos 转码解决方案：
yum install dos2unix
dos2unix **.sh
#!/bin/bash
pid=$(ps -ef | grep spring-boot-app.jar | grep -v grep | awk '{print $2}')
if [[ -z "${pid}" ]]
then
echo application is already stop
else
echo kill ${pid}
kill -9 ${pid}
fi
#!/usr/bin/env bash
pid=$(ps -ef | grep spring-boot-app.jar | grep -v grep | awk '{print $2}')
if [[ -z "${pid}" ]]
then
echo application is starting
nohup java -jar spring-boot-app.jar &
else
echo echo application alread start
echo process is ${pid}
fi