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js 操作cookie

    博客分类：
  • js
js cookiecookie 
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<html>
<head>
<title>Replace Selected Textarea Elements &mdash; CKEditor Sample</title>
<meta content="text/html; charset=utf-8" http-equiv="content-type"/>
<link type="text/css" rel="stylesheet" href="../ckeditor/_samples/sample.css" />

<script language=javascript>

//获得coolie 的值



function cookie(name){   

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

   var cookie=new Object();   

   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)
alert(unescape(temp[1]))
document.getElementById('bar').value=unescape(temp[1]);
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 getCookies(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();
}
</script>
</head>
<body>
<input id="bar" type="text"/>
<a href="#" onclick="SetCookie('aa','this | !@#$%^&*is barcode')">SetCookie</a>
<a href="#" onclick="getCookie('aa')">getCookie</a>
<a href="#" onclick=""></a>
<a href="#" onclick=""></a>
<a href="#" onclick=""></a>

</body>
<html>
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