1 agent('http://login.sina.com.cn/sso/login.php?client=ssologin.js(v1.4.11)', 
 2                     {type: 'POST', headers: { Referer : 'http://weibo.com/?from=bp&lang=zh-cn'},
 3                         data : {
 4                             entry:'weibo',
 5                             :1,
 6                             from:'',
 7                             savestate:7,
 8                             useticket:1,
 9                             pagerefer:'http://weibo.com/a/download',
10                             vsnf:1,
11                             su:'MTgxMDU0MjMzNyU0MHFxLmNvbQ==',
12                             service:'miniblog',
13                             time: servertime,
14                             nonce: nonce,
15                             pwencode:'rsa2',
16                             rsakv: rsakv,
17                             sp: sp,
18                             encoding:'UTF-8',
19                             prelt:505,
20                             url:'http://weibo.com/ajaxlogin.php?framelogin=1&callback=parent.sinaSSOController.feedBackUrlCallBack',
21                             returntype:'META'
22                         }
23                 }, function(err, data){ ... });