cookies的創建:
在客戶端創建一個username的cookies,其值為oneday,有效期為1天.
方法1:
方法2:
cookies的讀取:
無子鍵讀取:
有子鍵讀取:
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賦值
/// </summary>
/// <param name="strName">主鍵</param>
/// <param name="strValue">鍵值</param>
/// <param name="strDay">有效天數</param>
/// <returns></returns>
public bool setCookie(string strName, string strValue, int strDay)
{
try
{
HttpCookie Cookie = new HttpCookie(strName);
//Cookie.Domain = ".xxx.com";//當要跨域名訪問的時候,給cookie指定域名即可,格式為.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>
/// 讀取Cookies
/// </summary>
/// <param name="strName">主鍵</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>
/// 刪除Cookies
/// </summary>
/// <param name="strName">主鍵</param>
/// <returns></returns>
public bool delCookie(string strName)
{
try
{
HttpCookie Cookie = new HttpCookie(strName);
//Cookie.Domain = ".xxx.com";//當要跨域名訪問的時候,給cookie指定域名即可,格式為.xxx.com
Cookie.Expires = DateTime.Now.AddDays(-1);
System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
return true;
}
catch
{
return false;
}
}
}
注意:當Cookie存中文出現亂碼,則在存放時給中文編碼,如Cookie.setCookie("name", Server.UrlEncode("aaa"),1),讀取時解碼即可
另外:只要不給cookie設置過期時間,cookie在瀏覽器關閉的時候自動失效
public class Cookie
{
/// <summary>
/// Cookies賦值
/// </summary>
/// <param name="strName">主鍵</param>
/// <param name="strValue">鍵值</param>
/// <param name="strDay">有效天數</param>
/// <returns></returns>
public bool setCookie(string strName, string strValue, int strDay)
{
try
{
HttpCookie Cookie = new HttpCookie(strName);
//Cookie.Domain = ".xxx.com";//當要跨域名訪問的時候,給cookie指定域名即可,格式為.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>
/// 讀取Cookies
/// </summary>
/// <param name="strName">主鍵</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>
/// 刪除Cookies
/// </summary>
/// <param name="strName">主鍵</param>
/// <returns></returns>
public bool delCookie(string strName)
{
try
{
HttpCookie Cookie = new HttpCookie(strName);
//Cookie.Domain = ".xxx.com";//當要跨域名訪問的時候,給cookie指定域名即可,格式為.xxx.com
Cookie.Expires = DateTime.Now.AddDays(-1);
System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
return true;
}
catch
{
return false;
}
}
}
示例:
注意:當Cookie存中文出現亂碼,則在存放時給中文編碼,如Cookie.setCookie("name", Server.UrlEncode("aaa"),1),讀取時解碼即可
另外:只要不給cookie設置過期時間,cookie在瀏覽器關閉的時候自動失效
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