var Cookie = {
// 读取
read : function(name){
var cookieStr = "; "+document.cookie+"; ";
var index = cookieStr.indexOf("; "+name+"=");
if (index!=-1){
var s = cookieStr.substring(index+name.length+3,cookieStr.length);
return unescape(s.substring(0, s.indexOf("; ")));
}else{
return null;
}
},
// 设置
set : function(name,value,expires){
var expDays = expires*24*60*60*1000;
var expDate = new Date();
expDate.setTime(expDate.getTime()+expDays);
var expString = expires ? "expires="+expDate.toGMTString() : "";
var pathString = ";path=/";
document.cookie = name + "=" + escape(value) + expString + pathString;
},
// 删除
del : function(name){
var exp = new Date(new Date().getTime()-1);
var s=this.read(name);
if(s!=null) {
document.cookie= name + "="+s+"expires="+exp.toGMTString()+";path=/"
}
}
};
// demo:
Cookie.set("xuanfengge", "www.xuanfengge.com", 7);
alert(Cookie.read("xuanfengge"));
Cookie.del("xuanfengge");