var http = require('http');
var querystring = require('querystring');
var postData = querystring.stringify({
   content: '测试，老师讲的不错',
   mid: 8837
});
var options = {
   hostname: 'www.imooc.com',
   port: 80,
   path: '/course/docomment',
   method: 'POST',
   headers: {
       'Accept': 'application/json, text/javascript, */*; q=0.01',
       'Accept-Encoding': 'gzip, deflate',
       'Accept-Language': 'zh-CN,zh;q=0.8',
       'Connection': 'keep-alive',
       'Content-Length': postData.length,
       'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
       'Cookie': 'imooc_uuid=a7c31528-7bed-45e9-95a3-5bfbe4a6b6ab; imooc_isnew_ct=1492094814;loginstate=1;apsid=Q4ODQ5NTJmODc2MjczNzI4OWNlNjk1MGJkMTAwNzcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAANTE4OTYxMwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAyMDI1NTA2MjgyQHFxLmNvbQAAAAAAAAAAAAAAAAAAADIyNjI0NWU3ZGI5NzQ0Yzg1MmY0NzdiNDRhMzBjY2JkIF3wWCBd8Fg%3DYz;last_login_username=2025506282%40qq.com; bdshare_firstime=1492502681751;PHPSESSID=v0uortc2dg9fdmg1pi1n7e7bs2;Hm_lvt_f0cfcccd7b1393990c78efdeebff3968=1492605759,1492671530,1492692810,1492761448;Hm_lpvt_f0cfcccd7b1393990c78efdeebff3968=1492761463; imooc_isnew=2; cvde=58f9bb784c83a-15',
       'Host': 'www.imooc.com',
       'Origin': 'http://www.imooc.com',
       'Referer': 'http://www.imooc.com/video/8837',
       'User-Agent': 'Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36(KHTML, like Gecko) Chrome/56.0.2924.87 Mobile Safari/537.36',
       'X-Requested-With': 'XMLHttpRequest'
   }
};

var req = http.request(options, function (res) {
   console.log(res.STATUS_CODES);
   console.log(JSON.stringify(res.headers));
   res.on('data', function (chunk) {
       console.log(Buffer.isBuffer(chunk));
       console.log(typeof chunk);
   });
   res.on('end', function (chunk) {
       console.log('评论完毕');
   });
   req.on('error', function (e) {
       console.log('request is wrong');
       console.log(e.message);
   });
   req.write(postData);
   req.end();
});