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// name£º Ö¸¶¨cookieÃûµÄ×Ö·û´®
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// path: String£¬Ö¸¶¨cookieµÄ·¾¶ÐÔÖÊ
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function Cookie(document,name,hours,path,domain,secure)
{
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this.$document=document;
this.$name=name;
this.$expiration=(hours)?new Date((new Date()).getTime+hours*3600000):null;
this.$path=(path)?path:null;
this.$domain=(domain)?domain:null;
this.$secure=(secure)?true:false;
}
Cookie.prototype.store=function(){
//Ê×ÏȱéÀúcookie¶ÔÏóµÄÊôÐÔ£¬²¢ÇÒ½«cookieÖµÁ´½ÓÆðÀ´
//ÓÉÓÚcookie½«µÈºÅºÍ·ÖºÃ×÷Ϊ·Ö¸ô·û
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var cookieval='';
for(var prop in this){
if((prop.charAt(0)=='
||(typeof this[prop]=='function'))
continue;
if(cookieval!="")
cookieval+='
;
cookieval+=prop+':'+escape(this[prop]);
}
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//ÆäÖаüÀ¨Ãû×ֺʹ´½¨cookie¶ÔÏóʱָ¶¨µÄ¸÷ÖÖÐÔÖÊ
var cookie=this.$name+'='+cookieval;
if(this.$expiration)
cookie+=';expirse='+this.$expiration.toGMTString();
if(this.$path)
cookie+=';path='+this.$path;
if(this.$domain)
cookie+=';domain'+this.$domain;
if(this.$secure)
cookie+=';secure'+this.$secure;
//ÉèÖÃDocument.cookieÊôÐÔÀ´±£´æcookie
this.$document.cookie=cookie;
}
//¸Ãº¯ÊýÊÇcookie¶ÔÏóµÄload()·½·¨
Cookie.prototype.load=function(){
//Ê×Ïȵõ½ÊôÓÚ¸ÃÎĵµµÄËùÓÐcookieµÄÁбí
//ͨ¹ý¶ÁDocument.cookieÊôÐÔ¿ÉÒÔʵÏÖ
var allcookies=this.$document.cookie;
if(allcookies=="")
return false;
//ÏÂÃæ´Ó¸ÃÁбíÖÐÌáÈ¡ÒÑÃüÃûµÄcookie
var start=allcookies.indexOf(this.$name+'=');
if(start==-1) //¸Ãҳ䶨Òåcookie
return false;
start+=this.$name.length+1; //Ìø¹ýÃû×ֺ͵ȺÅ
var end=allcookies.indexOf(';',start)


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