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1，jquery.cookie.js

這一篇文章已經寫的很詳細了：

http://www.cnblogs.com/afuge/archive/2013/07/03/3169048.html

2，原生js操作cookie

jquery.cookie.js一般會出現cookie不兼容問題就要用原生的js了

<script language=javascript>

 

//獲得coolie 的值

function cookie(name){   

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

   var cookie=new Object();   

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

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

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

   }  

   return "";

}

 

function delCookie(name)//刪除cookie

{

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

}

 

function getCookie(objName){//獲取指定名稱的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){                               //為時不設定過期時間，瀏覽器關閉時cookie自動消失

        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)//兩個參數，一個是cookie的名子，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();

}

</script>

3，服務器端處理

 /// <summary>
    /// 將點擊的值存放到Cookie中
    /// </summary>
    PRivate void SetCookieValue(HttpContext context, string dic, string cookieName, string keyName)
    {
        HttpCookie cookie = new HttpCookie(cookieName);//初使化并設置Cookie的名稱
        if (context.Request.Cookies[cookieName] != null)
        {
            cookie = context.Request.Cookies[cookieName];
            if (cookie.Values.Count > 0 && cookie.Values.GetValues(keyName) != null && cookie.Values.GetValues(keyName).Length > 0)
            {
                Remove(cookieName, keyName);
            }
        }
        TimeSpan ts = new TimeSpan(0, 3, 0, 0, 0);//過期時間為3小時
        cookie.Expires = DateTime.Now.Add(ts);//設置過期時間
        cookie.Values.Add(keyName, dic);
        context.Response.AppendCookie(cookie);
        //NCookieUtil.SetCookie(keyName, dic);
    }
    /// <summary>
    /// 將點擊的值從Cookie中取出
    /// </summary>
    public string GetClickValue(HttpContext context, string cookieName, string keyName)
    {
        string userName = "";
        if (context.Request.Cookies[cookieName] != null)
        {
            if (context.Request.Cookies[cookieName][keyName] != null)
            {
                userName = context.Request.Cookies[cookieName][keyName].ToString();
            }
        }
        //userName = NCookieUtil.GetCookie(keyName);
        return userName;
    }
    /// <summary>  
    /// 移除cookie中指定的鍵，若是最后一個鍵則移除這個cookie  
    /// </summary>  
    public static void Remove(string cookieName, string keyName)
    {
        HttpCookie cookie = HttpContext.Current.Request.Cookies[cookieName];
        if (cookie != null)
        {
            if (cookie.Values.Count > 0)
            {
                if (cookie.Values.Count == 1)
                {
                    //若是最后一個鍵則移除這個cookie,否則會多出一個空值  
                    cookie.Values.Remove(HttpUtility.UrlEncode(keyName));
                    cookie.Expires = DateTime.Now.AddDays(-1);
                }
                else
                {
                    cookie.Values.Remove(HttpUtility.UrlEncode(keyName));
                }
                HttpContext.Current.Response.Cookies.Add(cookie);
            }
        }
    }

其實這三種方法還是建議用第二種方法！