位置：首页>> 网络编程>> JavaScript>> Javascript操作cookie的类

Javascript操作cookie的类

作者：xling　来源：xling的BLOG　发布时间：2007-08-23 09:36:00　

标签：Javascript,cookie

看了OReilly.JavaScript.The.Definitive.Guide.5th.Edition.Aug.2006里的cookie的操作类，但是不符合需求。

看了网上广为转载的cookie操作类，但是我相信那些是有问题的（主要集中在：expires 、domain、path和secure上）。

我不保证我写的就是最好的，但是我保证绝对没有如上所述的问题。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<input type="button" name="button" id="button" value="Remove Cookies" onclick="window.cookie.remove( )" />
<script language="javascript" type="text/javascript">
/*-------------------------------------------
Author :xlingFairy
Blog:http://xling.blueidea.com
2007/08/21
Custom Object Cookie.
Note: It not equal to document.cookie
-------------------------------------------*/
function Cookie() {
var self = this;
var trim = function(str){
  return str.replace(/(^\s*)|(\s*$)/g, "");
}

/*-------------------
Private method init()
When create a instance,all exists cookie will add as public property.
-------------------*/
var init = function(){
  var allcookies = document.cookie;
  if (allcookies == "") return;
  var cookies = allcookies.split(’;’);
  for(var i=0; i < cookies.length; i++)  // Break each pair into an array
   cookies[i] = cookies[i].split(’=’);
  for(var i = 0; i < cookies.length; i++) {
   self[trim(cookies[i][0])] = decodeURIComponent(cookies[i][1]);
  }
}

init();

/*--------------------
Public method save()
--------------------*/
this.save = function(daysToLive, path, domain, secure){
  var dt = (new Date()).getTime() + daysToLive * 24 * 60 * 60 * 1000;
  for(var prop in this) {
   if (typeof this[prop] == ’function’)
    continue;

   var cookie = "";
   cookie = prop + ’=’ + encodeURIComponent(this[prop]);

   if (daysToLive || daysToLive == 0) cookie += ";expires=" + new Date(dt).toUTCString();
   if (path) cookie += ";path=" + path;
   if (domain) cookie += "; domain=" + domain;
   if (secure) cookie += ";secure";
   document.cookie = cookie;
  }
}

/*--------------------
Public method remove()
--------------------*/
this.remove = function(path, domain, secure){
  self.save(0, path, domain, secure);
  /*-----------------------
  Must save(0) first then delete this object’s property
  If delete first,save(0) will not save anlything.
  -----------------------*/
  for(var prop in this) {
   if (typeof this[prop] != ’function’)
    delete this[prop];
  }
}
}
var cookie = new Cookie("vistordata");
if (!cookie.uId) {
    cookie.uId = prompt("Please input you uId:","");
cookie.save(10);
}
document.write("Your userID is:" + cookie.uId);
var copacast_idMap_img = document.createElement("IMG");
copacast_idMap_img.style.display = "none";
document.body.appendChild(copacast_idMap_img);
copacast_idMap_img.src = " http://www.copacast.net/track/setIDmapping.cgi?uid=" + cookie.uId + "&cltId=xxxx";
</script>
</body>
</html>

投稿

Javascript操作cookie的类

猜你喜欢