linux启动，重启，停止 jar，.sh脚本
#配置jar名称APP_NAME=receiver.jar#使用说明，用来提示输入参数usage() {echo "Usage: sh 脚本名.sh [start|stop|restart|status]"exit 1}#检查程序是否在运行is_exist(){pid=`ps -ef|grep $APP_NAME|grep -v grep|awk '{print $2}' `#如果不存在返回1，存在返回0if [ -z "${pid}" ]; thenreturn 1elsereturn 0fi}#启动方法start(){is_existif [ $? -eq "0" ]; thenecho "${APP_NAME} is already running. pid=${pid} ."elsenohup java -jar /usr/local/bin/$APP_NAME > /usr/local/bin/log.file 2>&1 &echo "${APP_NAME} start success"fi}#停止方法stop(){is_existif [ $? -eq "0" ]; thenkill -9 $pidelseecho "${APP_NAME} is not running"fi}#输出运行状态status(){is_existif [ $? -eq "0" ]; thenecho "${APP_NAME} is running. Pid is ${pid}"elseecho "${APP_NAME} is NOT running."fi}#重启restart(){stopstart}#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
