asp.net下cookies操作完美代码

复制代码 代码如下:

  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

  }

  }