C# Cookie的封装类CookieHelper

来源:互联网 发布:电脑rar解压软件 编辑:程序博客网 时间:2024/06/05 11:20
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Web;using System.Collections.Specialized; namespace Utility.Helper{    /// <summary>    /// Cookie操作类    /// </summary>    public static class CookieHelper    {        /// <summary>        /// 创建COOKIE对象并赋Value值,修改COOKIE的Value值也用此方法,因为对COOKIE修改必须重新设Expires        /// </summary>        /// <param name="strCookieName">COOKIE对象名</param>        /// <param name="strValue">COOKIE对象Value值</param>        public static void SetObj(string strCookieName, string strValue)        {            SetObj(strCookieName, 1, strValue, "", "/");        }        /// <summary>        /// 创建COOKIE对象并赋Value值,修改COOKIE的Value值也用此方法,因为对COOKIE修改必须重新设Expires        /// </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,31536000秒=1年=(60*60*24*365),</param>        /// <param name="strValue">COOKIE对象Value值</param>        public static void SetObj(string strCookieName, int iExpires, string strValue)        {            SetObj(strCookieName, iExpires, strValue, "", "/");        }        /// <summary>        /// 创建COOKIE对象并赋Value值,修改COOKIE的Value值也用此方法,因为对COOKIE修改必须重新设Expires        /// </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,31536000秒=1年=(60*60*24*365),</param>        /// <param name="strValue">COOKIE对象Value值</param>        /// <param name="strDomains">作用域,多个域名用;隔开</param>        public static void SetObj(string strCookieName, int iExpires, string strValue, string strDomains)        {            SetObj(strCookieName, iExpires, strValue, strDomains, "/");        }        /// <summary>        /// 创建COOKIE对象并赋Value值,修改COOKIE的Value值也用此方法,因为对COOKIE修改必须重新设Expires        /// </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,31536000秒=1年=(60*60*24*365),</param>        /// <param name="strValue">COOKIE对象Value值</param>        /// <param name="strDomains">作用域,多个域名用;隔开</param>        /// <param name="strPath">作用路径</param>        public static void SetObj(string strCookieName, int iExpires, string strValue, string strDomains, string strPath)        {            string _strDomain = SelectDomain(strDomains);            HttpCookie objCookie = new HttpCookie(strCookieName.Trim());            objCookie.Value = HttpUtility.UrlEncode(strValue.Trim());            if (_strDomain.Length > 0)                objCookie.Domain = _strDomain;            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        /// 设键/值如下:        /// NameValueCollection myCol = new NameValueCollection();        /// myCol.Add("red", "rojo");        /// myCol.Add("green", "verde");        /// myCol.Add("blue", "azul");        /// myCol.Add("red", "rouge");   结果“red:rojo,rouge;green:verde;blue:azul”        /// </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,31536000秒=1年=(60*60*24*365),</param>        /// <param name="KeyValue">键/值对集合</param>        public static void SetObj(string strCookieName, int iExpires, NameValueCollection KeyValue)        {            SetObj(strCookieName, iExpires, KeyValue, "", "/");        }        public static void SetObj(string strCookieName, int iExpires, NameValueCollection KeyValue, string strDomains)        {            SetObj(strCookieName, iExpires, KeyValue, strDomains, "/");        }        /// <summary>        /// 创建COOKIE对象并赋多个KEY键值        /// 设键/值如下:        /// NameValueCollection myCol = new NameValueCollection();        /// myCol.Add("red", "rojo");        /// myCol.Add("green", "verde");        /// myCol.Add("blue", "azul");        /// myCol.Add("red", "rouge");   结果“red:rojo,rouge;green:verde;blue:azul”        /// </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,31536000秒=1年=(60*60*24*365),</param>        /// <param name="KeyValue">键/值对集合</param>        /// <param name="strDomains">作用域,多个域名用;隔开</param>        /// <param name="strPath">作用路径</param>        public static void SetObj(string strCookieName, int iExpires, NameValueCollection KeyValue, string strDomains, string strPath)        {            string _strDomain = SelectDomain(strDomains);            HttpCookie objCookie = new HttpCookie(strCookieName.Trim());            foreach (String key in KeyValue.AllKeys)            {                objCookie[key] = HttpUtility.UrlEncode(KeyValue[key].Trim());            }            if (_strDomain.Length > 0)                objCookie.Domain = _strDomain;            objCookie.Path = strPath.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,如果对象本就不存在,则返回字符串null        /// </summary>        /// <param name="strCookieName">Cookie对象名称</param>        /// <returns>Value值,如果对象本就不存在,则返回字符串null</returns>        public static string GetValue(string strCookieName)        {            if (HttpContext.Current.Request.Cookies[strCookieName] == null)            {                return null;            }            else            {                string _value = HttpContext.Current.Request.Cookies[strCookieName].Value;                return HttpUtility.UrlDecode(_value);            }        }        /// <summary>        /// 读取Cookie某个对象的某个Key键的键值,返回Key键值,如果对象本就不存在,则返回字符串null,如果Key键不存在,则返回字符串"KeyNonexistence"        /// </summary>        /// <param name="strCookieName">Cookie对象名称</param>        /// <param name="strKeyName">Key键名</param>        /// <returns>Key键值,如果对象本就不存在,则返回字符串null,如果Key键不存在,则返回字符串"KeyNonexistence"</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)                if (!strObjValue.Contains(strKeyName2))                    return null;                else                {                    string _value = HttpContext.Current.Request.Cookies[strCookieName][strKeyName];                    return HttpUtility.UrlDecode(_value);                }            }        }        /// <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 都调用本方法,操作成功返回字符串"success",如果对象本就不存在,则返回字符串null。        /// </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,31536000秒=1年=(60*60*24*365)。注意:虽是修改功能,实则重建覆盖,所以时间也要重设,因为没办法获得旧的有效期</param>        /// <returns>如果对象本就不存在,则返回字符串null,如果操作成功返回字符串"success"。</returns>        public static string Edit(string strCookieName, string strKeyName, string KeyValue, int iExpires)        {            return Edit(strCookieName, strKeyName, KeyValue, iExpires, "", "/");        }        /// <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 都调用本方法,操作成功返回字符串"success",如果对象本就不存在,则返回字符串null。        /// </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,31536000秒=1年=(60*60*24*365)。注意:虽是修改功能,实则重建覆盖,所以时间也要重设,因为没办法获得旧的有效期</param>        /// <param name="strPath">作用路径</param>        /// <returns>如果对象本就不存在,则返回字符串null,如果操作成功返回字符串"success"。</returns>        public static string Edit(string strCookieName, string strKeyName, string KeyValue, int iExpires, string strPath)        {            return Edit(strCookieName, strKeyName, KeyValue, iExpires, "", strPath);        }        /// <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 都调用本方法,操作成功返回字符串"success",如果对象本就不存在,则返回字符串null。        /// </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,31536000秒=1年=(60*60*24*365)。注意:虽是修改功能,实则重建覆盖,所以时间也要重设,因为没办法获得旧的有效期</param>        /// <param name="strDomains">作用域,多个域名用;隔开</param>        /// <param name="strPath">作用路径</param>        /// <returns>如果对象本就不存在,则返回字符串null,如果操作成功返回字符串"success"。</returns>        public static string Edit(string strCookieName, string strKeyName, string KeyValue, int iExpires, string strDomains, string strPath)        {            if (HttpContext.Current.Request.Cookies[strCookieName] == null)                return null;            else            {                HttpCookie objCookie = HttpContext.Current.Request.Cookies[strCookieName];                objCookie[strKeyName] = HttpUtility.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 "success";            }        }        /// <summary>        /// 删除COOKIE对象        /// </summary>        /// <param name="strCookieName">Cookie对象名称</param>        public static void Del(string strCookieName)        {            Del(strCookieName, "", "/");        }        /// <summary>        /// 删除COOKIE对象        /// </summary>        /// <param name="strCookieName">Cookie对象名称</param>        /// <param name="strDomains">作用域,多个域名用;隔开</param>        public static void Del(string strCookieName, string strDomains)        {            Del(strCookieName, strDomains, "/");        }        /// <summary>        /// 删除COOKIE对象        /// </summary>        /// <param name="strCookieName">Cookie对象名称</param>        /// <param name="strDomains">作用域,多个域名用;隔开</param>        /// <param name="strPath">作用路径</param>        public static void Del(string strCookieName, string strDomains, string strPath)        {            string _strDomain = SelectDomain(strDomains);            HttpCookie objCookie = new HttpCookie(strCookieName.Trim());            if (_strDomain.Length > 0)                objCookie.Domain = _strDomain;            objCookie.Path = strPath.Trim();            objCookie.Expires = DateTime.Now.AddYears(-1);            HttpContext.Current.Response.Cookies.Add(objCookie);        }        /// <summary>        /// 删除某个COOKIE对象某个Key子键,操作成功返回字符串"success",如果对象本就不存在,则返回字符串null        /// </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,31536000秒=1年=(60*60*24*365)。注意:虽是修改功能,实则重建覆盖,所以时间也要重设,因为没办法获得旧的有效期</param>        /// <returns>如果对象本就不存在,则返回字符串null,如果操作成功返回字符串"success"。</returns>        public static string DelKey(string strCookieName, string strKeyName, int iExpires)        {            if (HttpContext.Current.Request.Cookies[strCookieName] == null)            {                return null;            }            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 "success";            }        }        /// <summary>        /// 定位到正确的域        /// </summary>        /// <param name="strDomains"></param>        /// <returns></returns>        private static string SelectDomain(string strDomains)        {            bool _isLocalServer = false;            if (strDomains.Trim().Length == 0)                return "";            string _thisDomain = HttpContext.Current.Request.ServerVariables["SERVER_NAME"].ToString();            //if (_thisDomain.IndexOf(".") < 0)//说明是计算机名,而不是域名            if (!_thisDomain.Contains("."))                _isLocalServer = true;            string _strDomain = "www.abc.com";//这个域名是瞎扯            string[] _strDomains = strDomains.Split(';');            for (int i = 0; i < _strDomains.Length; i++)            {                //if (_thisDomain.IndexOf(_strDomains[i].Trim()) < 0)//判断当前域名是否在作用域内                if (!_thisDomain.Contains(_strDomains[i].Trim()))                    continue;                else                {                    //区分真实域名(或IP)与计算机名                    if (_isLocalServer)                        _strDomain = "";//作用域留空,否则Cookie不能写入                    else                        _strDomain = _strDomains[i].Trim();                    break;                }            }            return _strDomain;        }    }}

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