【javascript】操作cookie

js工具：

function SetCookie(name,value)//兩個參數，一個是cookie的名字，一個是值{    var Days = 30; //此 cookie 將被保存30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();}function getCookie(name)//取cookies函数       {    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));     if(arr != null) return unescape(arr[2]); return null;}function delCookie(name)//刪除cookie{    var exp = new Date();    exp.setTime(exp.getTime() - 1);    var cval=getCookie(name);    if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();}//示例SetCookie ("xiaoqi", "3")alert(getCookie('xiaoqi'));