• Js操作Cookie



    //获得coolie 的值

    function cookie(name){    

       var cookieArray=document.cookie.split("; "); //得到分割的cookie名值对    

       for (var i=0;i<cookieArray.length;i++){    

          var arr=cookieArray[i].split("=");       //将名和值分开    

          if(arr[0]==name)return unescape(arr[1]); //如果是指定的cookie,则返回它的值    

       }

       return "";

    }

     

    /*function delCookie(name)//删除cookie

    {

       document.cookie = name+"=;expires="+(new Date(0)).toGMTString();

    }*/



    function getCookie(objName){//获取指定名称的cookie的值

        var arrStr = document.cookie.split("; ");

        for(var i = 0;i < arrStr.length;i ++){

            var temp = arrStr[i].split("=");

            if(temp[0] == objName) return unescape(temp[1]);

       }

    }

     

    function addCookie(objName,objValue,objHours){      //添加cookie

        var str = objName + "=" + escape(objValue);

        if(objHours > 0){                               //为时不设定过期时间,浏览器关闭时cookie自动消失

            var date = new Date();

            var ms = objHours*3600*1000;

            date.setTime(date.getTime() + ms);

            str += "; expires=" + date.toGMTString();

       }

       document.cookie = str;

    }

     

    function SetCookie(name,value)//两个参数,一个是cookie的名子,一个是值

    {

        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)//取cookies函数        

    {

        var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));

         if(arr != null) return unescape(arr[2]); return null;

     

    }

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


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  • 原文地址:https://www.cnblogs.com/sunfenqing/p/7339149.html
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