Connection keep-alive Content-Length 22 Content-Type text/html; charset=utf-8 Date Tue, 18 Dec 2012 10:04:32 GMT X-Powered-By Express 请求头信息原始头信息 Accept text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8 Accept-Encoding gzip, deflate Accept-Language zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3 Connection keep-alive Cookie connect.sid=s%3AzgCcpo3MXmtsu2GoOnZMNbBJ.V0Mq1w%2FU6TNmfvN5oaVf52n9zrNoYiQ6MciaOj5dbAs Host 127.0.0.1:3000 Referer http://127.0.0.1:3000/login User-Agent Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20100101 Firefox/17.0 来自上传流的请求头信息 Content-Length 39 Content-Type application/x-www-form-urlencoded 这是firebug下的请求和响应头信息，主要做一个登录功能，前端点击submit，后台没收到用户名和密码，求指导，我还是那个大三的学生，