Shuafen.js

shuafen.bat

node shuafen.js

shuafen.js

var http = require('http');

var gDate;
var gVoteData;
var gCount = 0;
var kNumberOfConnections = 20;

function checkIndex(callback) {
  http.get('http://szjyzx.cnu.edu.cn/szjyzx/a/class2011/2012niandu/', function(res) {
    var str = '';
    res.on('data', function(chunk) {
      str += chunk;
    });
    res.on('end', function() {
      var match = /value='(\d+)'\s*\/>\s*教育学院09级心理班/im.exec(str);
      if (!match) {
        console.error('failed to retieve vote index.');
        process.exit();
      }
      gVoteData = 'dopost=send&aid=10&ismore=1&voteitem%5B%5D=' + match[1] + 
          '&vbt1=%E6%8A%95%E7%A5%A8';
      if (callback)
        callback();
    });
  }).on('error', function(err) {
    console.error(err);
    process.nextTick(checkIndex);
  });
}

function vote() {
  var req = http.request({
    method: 'POST',
    host: 'szjyzx.cnu.edu.cn',
    path: '/szjyzx/plus/vote.php',
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded'
    }
  }, function(res) {
    res.on('data', function(chunk) {
      req.abort();
    });
    res.on('end', function() {
      gCount++;
      process.nextTick(vote);
    });
  });
  req.on('error', function(err) {
    console.error(err);
    process.nextTick(vote);
  });
  req.write(gVoteData);
  req.end();
}

http.globalAgent.maxSockets = kNumberOfConnections;

checkIndex(function() {
  gDate = new Date();
  for (var i = 0; i < kNumberOfConnections; i++)
    vote();
  setInterval(function() {
    console.log("%d in total, %d votes / s", gCount, gCount / (new Date() - gDate) * 1000);
  }, 1000);
  setInterval(checkIndex, 10000);
});

process.on('SIGINT', function() {
  console.log('total %d votes', gCount);
  process.exit();
});

shuafen.sh

#!/bin/sh

node shuafen.js