JS操作cookie

var cookie={
set:function(name,value,expires){
var Days = expires||365; //默認此 cookie 將被保存 365 天
var exp = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + Days*24*60*60*1000);
document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString(); //path=/;domain=.baidu.com
},
get:function(name){
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null){
return unescape(arr[2]);
}
return null;
},
//unjson:默認格式化成JSON 【true：不格式化成JSON，false:格式化成JSON】
getJson:function(unjson){
var cookie_array={};
var cookies=document.cookie.split(";");
for(var i=0,j=cookies.length;i<j;i++){
var keys=cookies[i].split("="),
key=$.trim(keys[0]),
value=unescape(keys[1]);
if(value!="undefined"){
if(!unjson){
try{
value=JSON.parse(value);
}catch(ex){
//console.log("[success] :"+ex)
}
}
cookie_array[key]=value;
}
}
return cookie_array;
},
remove:function(name){
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cookie_val=Cookie.set(name);
if(cookie_val!=null) {
document.cookie= name + "="+cookie_val+";expires="+exp.toGMTString();
}
}
}
var COOKIE=CooKie=cooKie=Cookie=cookie;