Cookie

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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;

public class Cookie
{
/// <summary>
/// Cookies赋值
/// </summary>
/// <param name="strName">主键</param>
/// <param name="strValue">键值</param>
/// <param name="strDay">有效天数</param>
/// <returns></returns>
public bool setCookie(string strName, string strValue, int strDay)
{
try
{
HttpCookie Cookie = new HttpCookie(strName);
//Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
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">主键</param>
/// <returns></returns>

public string getCookie(string strName)
{
HttpCookie Cookie = System.Web.HttpContext.Current.Request.Cookies[strName];
if (Cookie != null)
{
return Cookie.Value.ToString();
}
else
{
return null;
}
}

/// <summary>
/// 删除Cookies
/// </summary>
/// <param name="strName">主键</param>
/// <returns></returns>
public bool delCookie(string strName)
{
try
{
HttpCookie Cookie = new HttpCookie(strName);
//Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
Cookie.Expires = DateTime.Now.AddDays(-1);
System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
return true;
}
catch
{
return false;
}
}
}

Cookie

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原文地址：http://www.cnblogs.com/DJYBlog/p/3958236.html