JavaScript 写入, 读取, 刪除 Cookie 值

/**
     * JavaScript 写入, 读取, 刪除 Cookie 值
     **/
    function SetCookie(name,value,expiry,path,domain,secure){
        var NameString = name + "=" + value;
        var ExpiryString = (expiry == null) ? "" : " ;expires = "+ expiry.toGMTString();
        var PathString = (path == null) ? "" : " ;path = "+ path;
        var DomainString = (path == null) ? "" : " ;domain = "+ domain;
        var SecureString = (secure) ?";secure" :"";
        document.cookie = NameString + ExpiryString + PathString + DomainString + SecureString;
    }


    function GetCookie(name) {
        var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
        if(arr != null) return unescape(arr[2]); return null;
    }


    function DelCookie(name){
        var exp = new Date();
        exp.setTime(exp.getTime() - 1);
        var cval=getCookie(name);
        if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
    }

 

 

 

 

 

 

 

 

 

 

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function setCookie(name,value)
{
  var Days = 30; //此 cookie 将被保存 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)
{
  var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
  if(arr != null) return unescape(arr[2]); return null;
}
function delCookie(name)
{
  var exp = new Date();
  exp.setTime(exp.getTime() - 1);
  var cval=getCookie(name);
  if(cval!=null) document.cookie=name +"="+cval+";expires="+exp.toGMTString();
}