cookie的三种操作方法

这一篇文章已经写的很详细了：

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

2，原生js操作cookie

jquery.cookie.js一般会出现cookie不兼容问题就要用原生的js了

<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) 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();

}

</script>

3，服务器端处理

/// <summary>
/// 将点击的值存放到Cookie中
/// </summary>
PRivate void SetCookieValue(HttpContext context, string dic, string cookieName, string keyName)
{
HttpCookie cookie = new HttpCookie(cookieName);//初使化并设置Cookie的名称
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);//过期时间为3小时
cookie.Expires = DateTime.Now.Add(ts);//设置过期时间
cookie.Values.Add(keyName, dic);
context.Response.AppendCookie(cookie);
//NCookieUtil.SetCookie(keyName, dic);
}
/// <summary>
/// 将点击的值从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中指定的键，若是最后一个键则移除这个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)
{
//若是最后一个键则移除这个cookie,否则会多出一个空值
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);
}
}
}

其实这三种方法还是建议用第二种方法！