asp.net下cookies操作完美代码

using system;
using system.web;
namespace moosoft.oa.public
{
/// <summary>
/// cookie帮助类
/// </summary>
public class cookieshelper
{
#region 获取cookie
/// <summary>
/// 获得cookie的值
/// </summary>
/// <param name="cookiename"></param>
/// <returns></returns>
public static string getcookievalue(string cookiename)
{
return getcookievalue(cookiename, null);
}
/// <summary>
/// 获得cookie的值
/// </summary>
/// <param name="cookiename"></param>
/// <param name="key"></param>
/// <returns></returns>
public static string getcookievalue(string cookiename, string key)
{
httprequest request = httpcontext.current.request;
if (request != null)
return getcookievalue(request.cookies[cookiename], key);
return "";
}
/// <summary>
/// 获得cookie的子键值
/// </summary>
/// <param name="cookie"></param>
/// <param name="key"></param>
/// <returns></returns>
public static string getcookievalue(httpcookie cookie, string key)
{
if (cookie != null)
{
if (!string.isnullorempty(key) && cookie.haskeys)
return cookie.values[key];
else
return cookie.value;
}
return "";
}
/// <summary>
/// 获得cookie
/// </summary>
/// <param name="cookiename"></param>
/// <returns></returns>
public static httpcookie getcookie(string cookiename)
{
httprequest request = httpcontext.current.request;
if (request != null)
return request.cookies[cookiename];
return null;
}
#endregion
#region 删除cookie
/// <summary>
/// 删除cookie
/// </summary>
/// <param name="cookiename"></param>
public static void removecookie(string cookiename)
{
removecookie(cookiename, null);
}
/// <summary>
/// 删除cookie的子键
/// </summary>
/// <param name="cookiename"></param>
/// <param name="key"></param>
public static void removecookie(string cookiename, string key)
{
httpresponse response = httpcontext.current.response;
if (response != null)
{
httpcookie cookie = response.cookies[cookiename];
if (cookie != null)
{
if (!string.isnullorempty(key) && cookie.haskeys)
cookie.values.remove(key);
else
response.cookies.remove(cookiename);
}
}
}
#endregion
#region 设置/修改cookie
/// <summary>
/// 设置cookie子键的值
/// </summary>
/// <param name="cookiename"></param>
/// <param name="key"></param>
/// <param name="value"></param>
public static void setcookie(string cookiename, string key, string value)
{
setcookie(cookiename, key, value, null);
}
/// <summary>
/// 设置cookie值
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static void setcookie(string key, string value)
{
setcookie(key, null, value, null);
}
/// <summary>
/// 设置cookie值和过期时间
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="expires"></param>
public static void setcookie(string key, string value, datetime expires)
{
setcookie(key, null, value, expires);
}
/// <summary>
/// 设置cookie过期时间
/// </summary>
/// <param name="cookiename"></param>
/// <param name="expires"></param>
public static void setcookie(string cookiename, datetime expires)
{
setcookie(cookiename, null, null, expires);
}
/// <summary>
/// 设置cookie
/// </summary>
/// <param name="cookiename"></param>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="expires"></param>
public static void setcookie(string cookiename, string key, string value, datetime? expires)
{
httpresponse response = httpcontext.current.response;
if (response != null)
{
httpcookie cookie = response.cookies[cookiename];
if (cookie != null)
{
if (!string.isnullorempty(key) && cookie.haskeys)
cookie.values.set(key, value);
else
if (!string.isnullorempty(value))
cookie.value = value;
if (expires != null)
cookie.expires = expires.value;
response.setcookie(cookie);
}
}
}
#endregion
#region 添加cookie
/// <summary>
/// 添加cookie
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static void addcookie(string key, string value)
{
addcookie(new httpcookie(key, value));
}
/// <summary>
/// 添加cookie
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="expires"></param>
public static void addcookie(string key, string value, datetime expires)
{
httpcookie cookie = new httpcookie(key, value);
cookie.expires = expires;
addcookie(cookie);
}
/// <summary>
/// 添加为cookie.values集合
/// </summary>
/// <param name="cookiename"></param>
/// <param name="key"></param>
/// <param name="value"></param>
public static void addcookie(string cookiename, string key, string value)
{
httpcookie cookie = new httpcookie(cookiename);
cookie.values.add(key, value);
addcookie(cookie);
}
/// <summary>
/// 添加为cookie集合
/// </summary>
/// <param name="cookiename">cookie名称</param>
/// <param name="expires">过期时间</param>
public static void addcookie(string cookiename, datetime expires)
{
httpcookie cookie = new httpcookie(cookiename);
cookie.expires = expires;
addcookie(cookie);
}
/// <summary>
/// 添加为cookie.values集合
/// </summary>
/// <param name="cookiename"></param>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="expires"></param>
public static void addcookie(string cookiename, string key, string value, datetime expires)
{
httpcookie cookie = new httpcookie(cookiename);
cookie.expires = expires;
cookie.values.add(key, value);
addcookie(cookie);
}
/// <summary>
/// 添加cookie
/// </summary>
/// <param name="cookie"></param>
public static void addcookie(httpcookie cookie)
{
httpresponse response = httpcontext.current.response;
if (response != null)
{
//指定客户端脚本是否可以访问[默认为false]
cookie.httponly = true;
//指定统一的path，比便能通存通取
cookie.path = "/";
//设置跨域,这样在其它二级域名下就都可以访问到了
//cookie.domain = "chinesecoo.com";
response.appendcookie(cookie);
}
}
#endregion
}
}