#region 读取或写入cookie
///
/// 写cookie值
///
/// 名称
/// 值
public static void WriteCookie(string strName, string strValue)
{
HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
if (cookie == null)
{
cookie = new HttpCookie(strName);
}
cookie.Value = UrlEncode(strValue);
HttpContext.Current.Response.AppendCookie(cookie);
}
///
/// 写cookie值
///
/// 名称
/// 值
public static void WriteCookie(string strName, string key, string strValue)
{
HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
if (cookie == null)
{
cookie = new HttpCookie(strName);
}
cookie[key] = UrlEncode(strValue);
HttpContext.Current.Response.AppendCookie(cookie);
}
///
/// 写cookie值
///
/// 名称
/// 值
public static void WriteCookie(string strName, string key, string strValue, int expires)
{
HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
if (cookie == null)
{
cookie = new HttpCookie(strName);
}
cookie[key] = UrlEncode(strValue);
cookie.Expires = DateTime.Now.AddMinutes(expires);
HttpContext.Current.Response.AppendCookie(cookie);
}
///
/// 写cookie值
///
/// 名称
/// 值
/// 过期时间(分钟)
public static void WriteCookie(string strName, string strValue, int expires)
{
HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
if (cookie == null)
{
cookie = new HttpCookie(strName);
}
cookie.Value = UrlEncode(strValue);
cookie.Expires = DateTime.Now.AddMinutes(expires);
HttpContext.Current.Response.AppendCookie(cookie);
}
///
/// 读cookie值
///
/// 名称
/// cookie值
public static string GetCookie(string strName)
{
if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[strName] != null)
return UrlDecode(HttpContext.Current.Request.Cookies[strName].Value.ToString());
return "";
}
///
/// 读cookie值
///
/// 名称
/// cookie值
public static string GetCookie(string strName, string key)
{
if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[strName] != null && HttpContext.Current.Request.Cookies[strName][key] != null)
return UrlDecode(HttpContext.Current.Request.Cookies[strName][key].ToString());
return "";
}
#endregion
c# 读写cookie 通用函数
原文：http://www.cnblogs.com/choii/p/5782109.html
