ASP.NET-------Cookie静态操作类
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Web; using System.Collections.Specialized; namespace Core.Common.Web { /// <summary> /// Cookie静态操作类 /// </summary> public static class Cookie { #region 静态方法 /// <summary> /// 创建或修改COOKIE对象并赋Value值 /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="strValue">COOKIE对象Value值</param> /// <remarks> /// 对COOKIE修改必须重新设Expires /// </remarks> public static void SetObject(string strCookieName, string strValue) { SetObject(strCookieName, 1, strValue); } /// <summary> /// 创建或修改COOKIE对象并赋Value值 /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="iExpires"> /// COOKIE对象有效时间(秒数) /// 1表示永久有效,0和负数都表示不设有效时间 /// 大于等于2表示具体有效秒数 /// 86400秒 = 1天 = (60*60*24) /// 604800秒 = 1周 = (60*60*24*7) /// 2593000秒 = 1月 = (60*60*24*30) /// 31536000秒 = 1年 = (60*60*24*365) /// </param> /// <param name="strValue">COOKIE对象Value值</param> /// <remarks> /// 对COOKIE修改必须重新设Expires /// </remarks> public static void SetObject(string strCookieName, int iExpires, string strValue) { HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); objCookie.Value = HttpContext.Current.Server.UrlEncode(strValue.Trim()); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 创建COOKIE对象并赋多个KEY键值 /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="iExpires"> /// COOKIE对象有效时间(秒数) /// 1表示永久有效,0和负数都表示不设有效时间 /// 大于等于2表示具体有效秒数 /// 86400秒 = 1天 = (60*60*24) /// 604800秒 = 1周 = (60*60*24*7) /// 2593000秒 = 1月 = (60*60*24*30) /// 31536000秒 = 1年 = (60*60*24*365) /// </param> /// <param name="KeyValue">键/值对集合</param> public static void SetObject(string strCookieName, int iExpires, NameValueCollection KeyValue) { HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); foreach (string key in KeyValue.AllKeys) { objCookie[key] = HttpContext.Current.Server.UrlEncode(KeyValue[key].Trim()); } if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 创建或修改COOKIE对象并赋Value值 /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="iExpires"> /// COOKIE对象有效时间(秒数) /// 1表示永久有效,0和负数都表示不设有效时间 /// 大于等于2表示具体有效秒数 /// 86400秒 = 1天 = (60*60*24) /// 604800秒 = 1周 = (60*60*24*7) /// 2593000秒 = 1月 = (60*60*24*30) /// 31536000秒 = 1年 = (60*60*24*365) /// </param> /// <param name="strDomain">作用域</param> /// <param name="strValue">COOKIE对象Value值</param> /// <remarks> /// 对COOKIE修改必须重新设Expires /// </remarks> public static void SetObject(string strCookieName, int iExpires, string strValue, string strDomain) { HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); objCookie.Value = HttpContext.Current.Server.UrlEncode(strValue.Trim()); objCookie.Domain = strDomain.Trim(); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 创建COOKIE对象并赋多个KEY键值 /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="iExpires"> /// COOKIE对象有效时间(秒数) /// 1表示永久有效,0和负数都表示不设有效时间 /// 大于等于2表示具体有效秒数 /// 86400秒 = 1天 = (60*60*24) /// 604800秒 = 1周 = (60*60*24*7) /// 2593000秒 = 1月 = (60*60*24*30) /// 31536000秒 = 1年 = (60*60*24*365) /// </param> /// <param name="strDomain">作用域</param> /// <param name="KeyValue">键/值对集合</param> public static void SetObject(string strCookieName, int iExpires, NameValueCollection KeyValue, string strDomain) { HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); foreach (string key in KeyValue.AllKeys) { objCookie[key] = HttpContext.Current.Server.UrlEncode(KeyValue[key].Trim()); } objCookie.Domain = strDomain.Trim(); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 读取Cookie某个对象的Value值,返回Value值 /// </summary> /// <param name="strCookieName">Cookie对象名称</param> /// <returns>Value值,如果对象本就不存在,则返回 null</returns> public static string GetValue(string strCookieName) { if (HttpContext.Current.Request.Cookies[strCookieName] == null) { return null; } else { return HttpContext.Current.Server.UrlDecode(HttpContext.Current.Request.Cookies[strCookieName].Value); } } /// <summary> /// 读取Cookie某个对象的某个Key键的键值 /// </summary> /// <param name="strCookieName">Cookie对象名称</param> /// <param name="strKeyName">Key键名</param> /// <returns>Key键值,如果对象或键值就不存在,则返回 null</returns> public static string GetValue(string strCookieName, string strKeyName) { if (HttpContext.Current.Request.Cookies[strCookieName] == null) { return null; } else { string strObjValue = HttpContext.Current.Request.Cookies[strCookieName].Value; string strKeyName2 = strKeyName + "="; if (strObjValue.IndexOf(strKeyName2) == -1) { return null; } else { return HttpContext.Current.Server.UrlDecode(HttpContext.Current.Request.Cookies[strCookieName][strKeyName]); } } } /// <summary> /// 修改某个COOKIE对象某个Key键的键值或给某个COOKIE对象添加Key键 /// </summary> /// <param name="strCookieName">Cookie对象名称</param> /// <param name="strKeyName">Key键名</param> /// <param name="KeyValue">Key键值</param> /// <param name="iExpires"> /// COOKIE对象有效时间(秒数) /// 1表示永久有效,0和负数都表示不设有效时间 /// 大于等于2表示具体有效秒数 /// 86400秒 = 1天 = (60*60*24) /// 604800秒 = 1周 = (60*60*24*7) /// 2593000秒 = 1月 = (60*60*24*30) /// 31536000秒 = 1年 = (60*60*24*365) /// </param> /// <returns>如果对象本就不存在,则返回 false</returns> public static bool Edit(string strCookieName, string strKeyName, string KeyValue, int iExpires) { if (HttpContext.Current.Request.Cookies[strCookieName] == null) { return false; } else { HttpCookie objCookie = HttpContext.Current.Request.Cookies[strCookieName]; objCookie[strKeyName] = HttpContext.Current.Server.UrlEncode(KeyValue.Trim()); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); return true; } } /// <summary> /// 删除COOKIE对象 /// </summary> /// <param name="strCookieName">Cookie对象名称</param> public static void Delete(string strCookieName) { HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); objCookie.Expires = DateTime.Now.AddYears(-5); HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 删除某个COOKIE对象某个Key子键 /// </summary> /// <param name="strCookieName">Cookie对象名称</param> /// <param name="strKeyName">Key键名</param> /// <param name="iExpires"> /// COOKIE对象有效时间(秒数) /// 1表示永久有效,0和负数都表示不设有效时间 /// 大于等于2表示具体有效秒数 /// 86400秒 = 1天 = (60*60*24) /// 604800秒 = 1周 = (60*60*24*7) /// 2593000秒 = 1月 = (60*60*24*30) /// 31536000秒 = 1年 = (60*60*24*365) /// </param> /// <returns>如果对象本就不存在,则返回 false</returns> public static bool Delete(string strCookieName, string strKeyName, int iExpires) { if (HttpContext.Current.Request.Cookies[strCookieName] == null) { return false; } else { HttpCookie objCookie = HttpContext.Current.Request.Cookies[strCookieName]; objCookie.Values.Remove(strKeyName); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); return true; } } #endregion } }
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