var http = require("http");
var sys = require('util');

var spawn = require('child_process').spawn;

function onRequest(request, response) { //这是createServer的回调函数（事件驱动）
	console.log("Request received.");
	
	var mon = spawn("ls", ["-l"]);
	var mondata;
	mon.stdout.on('data', function (data) {
		sys.puts(data);
		console.log(data)
		mondata = data
	})
	
	response.writeHead(200, {
		"Content-Type" : "text/plain"
	});
	response.write('aaa' + mondata);
	response.end();
}

http.createServer(onRequest).listen(8888);

console.log("Server has started.");