worker_processes  1;
error_log logs/error.log;
events {
    worker_connections 1024;
}
http {
    server {
        listen 8080;
         location / {
            access_by_lua '

           local t = io.popen("checkPort")
	       local a = t:read("*all")

           ngx.say("<h1>当前进程"..a.."</h1>")

';
         }
    }
}