js cookie读取

/**存放Cookies: 两个参数,一个是cookie的名子,一个是值*/
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();
}
/**取cookies函数 */ function getCookie(name){   var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
  if(arr != null) return unescape(arr[2]);
  return null;
}
/**删除cookie*/ 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();
}

 

你可能感兴趣的:(js cookie读取)