var?http?=?require('http');
var?querystring?=?require('querystring');
var?postData?=?querystring.stringify({
	'content':?'老師下次更新什么時候啊?',
	'cid':?348,
});

var?options?=?{
	hostname:?'www.xianlaiwan.cn',
	port:?80,
	path:?'/course/docoment',
	method:?'POST',
	headers:?{
		'Accept':'application/json,?text/javascript,?*/*;?q=0.01',
????????'Accept-Encoding':'gzip,?deflate',
????????'Accept-Language':'zh-CN,zh;q=0.8',
????????'Cache-Control':'no-cache',
????????'Connection':'keep-alive',
????????'Content-Length':postData.length,
????????'Content-Type':'application/x-www-form-urlencoded;?charset=UTF-8',
????????'Cookie':'//Cookie數據就不貼出來了，是直接復制粘貼過來的',
????????'Host':'www.xianlaiwan.cn',
????????'Origin':'http://www.xianlaiwan.cn',
????????'Pragma':'no-cache',
????????'Referer':'http://www.xianlaiwan.cn/comment/348',
????????'User-Agent':'Mozilla/5.0?(Windows?NT?10.0;?WOW64)?AppleWebKit/537.36?(KHTML,?like?Gecko)?Chrome/48.0.2564.116?Safari/537.36',
????????'X-Requested-With':'XMLHttpRequest'
	}
};

var?req?=?http.request(options,?function(res)?{
	console.log('Status:?'?+?res.statusCode);
	console.log('headers:?'?+?JSON.stringify(res.headers));
????//為data事件注冊回調函數來接受數據
	res.on('data',?function(chunk)?{
		console.log(Buffer.isBuffer(chunk));
		console.log(typeof?chunk);
	});
	//當數據接受完畢，網絡連接關閉，觸發end事件
	res.on('end',?function()?{
		console.log('評論完畢!');
	});
});

//當有錯誤發生時候
req.on('error',?function(e)?{
		console.log("error!?"?+?e.message);
});
//把要提交的數據寫入請求體
req.write(postData);
//完成請求
req.end();

代碼如上，node comment.js返回：

Status: 302

headers: {"server":"nginx","date":"Tue, 08 Mar 2016 06:51:41 GMT","content-type":"text/html","transfer-encoding":"chunked","connection":"keep-alive","expires":"Thu, 19 Nov 1981 08:52:00 GMT","cache-control":"no-store, no-cache, must-revalidate, post-check=0, pre-check=0","pragma":"no-cache","location":"/error/noexists"}

評論完畢!

看了好多遍代碼，不知道哪里出了問題，，求教一下