state.js

来自「最强的爬虫工程」· JavaScript 代码 · 共 41 行

function writeCookie(name,value,second)
{
  if (second)
  {
    var date = new Date();
    date.setTime(date.getTime()+(second*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else var expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++)
  {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

function eraseCookie(name)
{
  writeCookie(name,"",-1);
}

if(readCookie('nick') != null)
{
  var d = new Date()
  var conntime = d.getTime() - readCookie('sinastate_conn_time');
  if(conntime > (60 * 1000))
  {
    document.write("<scr"+"ipt src='http://interface.video.sina.com.cn/app/online/state_write.php?referer="+top.location+"'></scr"+"ipt>");
    writeCookie("sinastate_conn_time",d.getTime(),60);
  }
}