javascript实现Session类

来源：互联网发布：java 获取时间编辑：程序博客网时间：2024/06/02 23:15

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=utf-8">
<META content="MSHTML 6.00.3790.1830" name=GENERATOR></HEAD>
<BODY><INPUT id=txt> <INPUT id=btn onclick="Session.save('txt','value','op');" type=button value=save>
<INPUT id=btn1 onclick="alert(Session.load('op'));" type=button value=load>
<SCRIPT>
function Session()
{
    var SessionObj = null;
    this.init = function()
{
            SessionObj = document.createElement('input');
  SessionObj.type = "hidden";
  SessionObj.id = "Sessionid";
  SessionObj.style.behavior = "url('#default#userData')"
        document.body.appendChild(SessionObj);
}
   this.load = function(sessionName)
{
            if (sessionName != null && sessionName != "")
  {
             SessionObj.load("s");
   return SessionObj.getAttribute(sessionName);
  }
}

this.save = function(objId,attribute,sessionName)
{
             var obj = null;
  if (document.getElementById(objId) != null) obj = document.getElementById(objId)
  else return;
            var value = obj[attribute];

        if (sessionName != null && sessionName != "")
  {
             SessionObj.setAttribute(sessionName,value)
   SessionObj.save("s")
     }
}

this.init();
}
var Session = new Session();
</SCRIPT>
</BODY></HTML>