第一种：
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
/// <summary>
/// CookieOper 的摘要说明
/// 对COOKIE的操作类
/// </summary>
public class CookieOper
{
public CookieOper()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
/**/
/// <summary>
/// 创建Cookies
/// </summary>
/// <param name="strName">Cookie 主键</param>
/// <param name="strValue">Cookie 键值</param>
/// <param name="strDay">Cookie 天数</param>
/// <code>Cookie ck = new Cookie();</code>
/// <code>ck.setCookie("主键","键值","天数");</code>
public bool SetCookie(string strName, string strValue, int strDay)
{
try
{
strValue = HttpContext.Current.Server.UrlEncode(strValue);
HttpCookie Cookie = new HttpCookie(strName);
Cookie.Expires = DateTime.Now.AddDays(strDay);
Cookie.Value = strValue;
System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
return true;
}
catch
{
return false;
}
}
/**/
/// <summary>
/// 读取Cookies
/// </summary>
/// <param name="strName">Cookie 主键</param>
/// <code>Cookie ck = new Cookie();</code>
/// <code>ck.getCookie("主键");</code>
public string GetCookie(string strName)
{
HttpCookie Cookie = System.Web.HttpContext.Current.Request.Cookies[strName];
if (Cookie != null)
{
if (Cookie.Value != null)
{
return HttpContext.Current.Server.UrlDecode(Cookie.Value.ToString());
}
