CookieHelper

分类： Asp.Net 2009-08-03 11:30 523人阅读评论(1) 收藏举报

string null domain cookies 浏览器服务器

[c-sharp] view plain copy ?

public class CookieHelper
{
#region 为Cookie赋值方法
/**/
/// <summary>
/// 为Cookie赋值
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <param name="Nvc">Cookie值集合</param>
/// <param name="days">Cookie日期 0 为无时间限制。浏览器关闭就结束</param>
/// <param name="Domain">Cookie站点</param>
/// <returns>返回布尔值</returns>
public static bool WriteCookie(string CookieName, NameValueCollection Nvc, int days, string Domain)
{
bool BoolReturnValue = false;
if (Nvc != null && !string.IsNullOrEmpty(CookieName)) //判断是否能建Cookie
{
HttpCookie httpCookie = new HttpCookie(CookieName);
for (int i = 0; i < Nvc.Count; i++)
{
httpCookie.Values.Add(Nvc.GetKey(i),HttpUtility.UrlEncode(Nvc.Get(i))); //将值添入Cookie中
}
if (days > 0)
{
httpCookie.Expires = DateTime.Now.AddDays(days); //设置Cookie有效期
}
if (!string.IsNullOrEmpty(Domain)) //判断Cookie站点有效
{
httpCookie.Domain = Domain; //设置Cookie站点
}
HttpContext.Current.Response.AppendCookie(httpCookie); //添加Cookie
BoolReturnValue = true;
}
return BoolReturnValue;
}
/// <summary>
/// 不限制日期的写cookies 江文海修改
/// </summary>
/// <param name="CookieName">cookie名称</param>
/// <param name="Nvc">集合</param>
/// <returns></returns>
public static bool WriteCookieNoDay(string CookieName, NameValueCollection Nvc)
{
bool BoolReturnValue = false;
if (Nvc != null && !string.IsNullOrEmpty(CookieName)) //判断是否能建Cookie
{
HttpCookie httpCookie = new HttpCookie(CookieName);
for (int i = 0; i < Nvc.Count; i++)
{
httpCookie.Values.Add(Nvc.GetKey(i), Nvc.Get(i)); //将值添入Cookie中
}
HttpContext.Current.Response.AppendCookie(httpCookie); //添加Cookie
BoolReturnValue = true;
}
return BoolReturnValue;
}
/**/
/// <summary>
/// 为Cookie赋值
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <param name="Nvc">Cookie值集合</param>
/// <param name="days">Cookie日期</param>
/// <returns>返回布尔值</returns>
public static bool WriteCookie(string CookieName, NameValueCollection Nvc, int days)
{
return WriteCookie(CookieName, Nvc, days, null);
}
/**/
/// <summary>
/// 为Cookie赋值
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <param name="Nvc">Cookie值集合</param>
/// <returns>返回布尔值</returns>
public static bool WriteCookie(string CookieName, NameValueCollection Nvc)
{
return WriteCookie(CookieName, Nvc, 1, null);
}
#endregion
#region 添加Cookie值
/// <summary>
/// 添加Cookie值
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <param name="Nvc">Cookie值集合</param>
/// <returns></returns>
public static bool AddCookie(string CookieName, NameValueCollection Nvc)
{
bool BoolReturnValue = false;
if (Nvc != null && !string.IsNullOrEmpty(CookieName)) //判断是否能建Cookie
{
for (int i = 0; i < Nvc.Count; i++)
{
HttpContext.Current.Request.Cookies[CookieName].Values.Add(Nvc.GetKey(i), Nvc.Get(i));//添加Cookie;
HttpContext.Current.Response.Cookies[CookieName].Values.Add(Nvc.GetKey(i), Nvc.Get(i));//添加Cookie;
}
}
return BoolReturnValue;
}
#endregion
#region 更新Cookie
/**/
/// <summary>
/// 更新Cookie
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <param name="Nvc">Cookie值集合</param>
/// <returns>bool</returns>
public static bool UpdateCookie(string CookieName, NameValueCollection Nvc)
{
bool BoolReturnValue = false;
if (Nvc != null && !string.IsNullOrEmpty(CookieName)) //判断是否能建Cookie
{
HttpCookie httpCookie = new HttpCookie(CookieName);
NameValueCollection NonceNvc = HttpContext.Current.Request.Cookies[CookieName].Values; //得到已有的Cookie值集合
if (NonceNvc != null) //判断Cookie值集合是否为空
{
string CookieValue = string.Empty;
//------------------------循环判断Cookie值是否存在于新Cookie中，如果存在就予以更新-----------------------
for (int i = 0; i < NonceNvc.Count; i++)
{
CookieValue = NonceNvc.Get(i);
for (int y = 0; y < Nvc.Count; y++)
{
if (NonceNvc.GetKey(i) == Nvc.GetKey(y))
{
if (CookieValue != Nvc.Get(y))
{
CookieValue = Nvc.Get(y);
}
break;
}
}
httpCookie.Values.Add(NonceNvc.GetKey(i), CookieValue); //不存在于原Cookie的值，被新加入
CookieValue = string.Empty;
}
//---------------------------------------------------------------------------------------------------------
HttpContext.Current.Response.AppendCookie(httpCookie); //加入Cookie
BoolReturnValue = true;
}
}
return BoolReturnValue;
}
#endregion
#region 得到Cookie值集合
/**/
/// <summary>
/// 得到Cookie值集合
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <returns>返回NameValueCollection集合</returns>
public static NameValueCollection GetCookie(string CookieName)
{
NameValueCollection Nvc = new NameValueCollection();
if (!string.IsNullOrEmpty(CookieName) && HttpContext.Current.Request.Cookies[CookieName] != null) //判断Cookie是否存在
{
Nvc = HttpContext.Current.Request.Cookies[CookieName].Values; //得到Cookie值集合
}
return Nvc;
}
#endregion
#region 删除Cookie
/// <summary>
/// 删除cookie
/// </summary>
/// <param name="CookieName">cookie的值</param>
/// <param name="CookieDomain">cookie的域</param>
/// <returns></returns>
public static bool DeleteCookie(string CookieName, string CookieDomain)
{
bool BoolReturnValue = false;
HttpCookie httpCookie = HttpContext.Current.Request.Cookies[CookieName];
if (httpCookie != null) //如果Cookie存在
{
if (!string.IsNullOrEmpty(CookieDomain))
{
httpCookie.Domain = CookieDomain;
}
httpCookie.Expires = DateTime.Now.AddDays(-30); //来他个负30天，看他怎么存在
HttpContext.Current.Response.Cookies.Add(httpCookie);
BoolReturnValue = true;
}
return BoolReturnValue;
}
/**/
/// <summary>
/// 删除Cookie
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <returns>布尔值</returns>
public static bool DeleteCookie(string CookieName)
{
return DeleteCookie(CookieName, null);
}
#endregion
#region 得到单独一条Cookie的值
/**/
/// <summary>
/// 得到单独一条Cookie的值
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <param name="KeyName">Key名称</param>
/// <returns>返回string</returns>
public static string GetSingleValue(string CookieName, string KeyName)
{
string StrReturnValue = string.Empty;
HttpCookie httpCookie = HttpContext.Current.Request.Cookies[CookieName];
if (httpCookie != null) //如果Cookie存在
{
StrReturnValue =HttpUtility.UrlDecode(HttpContext.Current.Request.Cookies[CookieName].Values[KeyName]); //得到指定Key的Value
}
return StrReturnValue;
}
/**/
/// <summary>
/// 得到服务器端单独一条Cookie的值
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <param name="KeyName">Key名称</param>
/// <returns>返回string</returns>
public static string GetSingleValueFromServer(string CookieName, string KeyName)
{
string StrReturnValue = string.Empty;
HttpCookie httpCookie = HttpContext.Current.Response.Cookies[CookieName];
if (httpCookie != null) //如果Cookie存在
{
StrReturnValue = HttpContext.Current.Response.Cookies[CookieName].Values[KeyName]; //得到指定Key的Value
}
return StrReturnValue;
}
#endregion
#region 更新单独一条Cookie的值
/**/
/// <summary>
/// 更新单独一条Cookie的值
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <param name="KeyName">Key名称</param>
/// <param name="Value">值</param>
/// <returns>返回布尔值</returns>
public static bool UpdateSingleValue(string CookieName,string KeyName, string Value)
{
bool BoolReturnValue = false;
NameValueCollection nvc = new NameValueCollection();
nvc.Add(KeyName, Value);
if (!string.IsNullOrEmpty(CookieName)) //判断是否能建Cookie
{
HttpCookie httpCookie = HttpContext.Current.Request.Cookies[CookieName];
if (httpCookie != null)
{
if (HttpContext.Current.Request.Cookies[CookieName].Values[KeyName] != null)
{
BoolReturnValue = UpdateCookie(CookieName, nvc);
}
else
{
BoolReturnValue = AddCookie(CookieName, nvc);
}
}
else
{
BoolReturnValue = WriteCookie(CookieName, nvc);
}
}
return BoolReturnValue;
}
#endregion
#region 添加单独的一条Cookie值
/// <summary>
/// 添加单独的一条Cookie值
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <param name="KeyName">Key名称</param>
/// <param name="Value">值</param>
/// <returns></returns>
public static bool AddSingleCookie(string CookieName, string KeyName, string Value)
{
bool BoolReturnValue = false;
NameValueCollection nvc = new NameValueCollection();
nvc.Add(KeyName, Value);
if (!string.IsNullOrEmpty(CookieName)) //判断是否能建Cookie
{
HttpCookie httpCookie = HttpContext.Current.Request.Cookies[CookieName];
if (httpCookie != null)
{
if (HttpContext.Current.Request.Cookies[CookieName].Values[KeyName] != null)
{
BoolReturnValue = UpdateCookie(CookieName, nvc);
}
else
{
BoolReturnValue = AddCookie(CookieName, nvc);
}
}
else
{
BoolReturnValue = WriteCookie(CookieName, nvc);
}
}
return BoolReturnValue;
}
#endregion
#region 判断是否存在Cookie表
/// <summary>
/// 判断是否存在Cookie表
/// </summary>
/// <param name="CookieName">Cookie名称</param>
/// <returns></returns>
public static bool HasCookie(string CookieName)
{
bool BoolReturnValue = false;
if (HttpContext.Current.Request.Cookies[CookieName] != null)
BoolReturnValue = true;
return BoolReturnValue;
}
#endregion
}

本站仅提供存储服务，所有内容均由用户发布，如发现有害或侵权内容，请点击举报。