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javascript操作cookie

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函數       

{

    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'));

  

posted on 2019-02-01 13:10  子钦加油  阅读(...)  评论(...编辑  收藏

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