windows如何使用bat脚本后台启动/停止和重启jar包服务

@echo off
START "app" javaw -jar app-0.0.1-SNAPSHOT.jar

@echo off
set port=9090
for /f "tokens=1-5" %%i in ('netstat -ano^|findstr ":%port%"') do (
 echo kill the process %%m who use the port 
 taskkill /pid %%m -t -f
 goto q
)
:q

@echo off
set port=9090
for /f "tokens=1-5" %%i in ('netstat -ano^|findstr ":%port%"') do (
 echo kill the process %%m who use the port 
 taskkill /pid %%m -t -f
 goto start
)
:start
 
START "app" javaw -jar app-0.0.1-SNAPSHOT.jar