./nginx start 启动nginx

./nginx stop 关闭nginx

./nginx restart 重启nginx

#!/bin/bash
NGINX=/usr/local/nginx/sbin/nginx
PID=/usr/local/nginx/logs/nginx.pid
start()
{
if [ -f $PID ] 
then
echo "nginx已经启动!"
else
$NGINX
echo "nginx启动成功!"
fi
}
stop()
{
if [ -f $PID ]
then
killall -s QUIT nginx
echo "nginx已经关闭!"
else
echo "nginx未启动!"
fi
}
restart()
{
if [ -f $PID ]
then
stop
fi
start
}
case $1 in
"start") start
;;
"stop") stop
;;
"restart") restart
;;
*) echo "请输入正确的操作参数start|stop|restart"
;;
esac