经过了近一天的冥思苦想,终于想到了如下解决方法,先拿出来共享给大家,说不定大家也曾有此苦恼。
因为经常要用,所以我首先建了一个Cookies的参数配置文件,内容如下:
<?xml version="1.0" encoding="utf-8" ?>
<Root>
<Domain>jumbotcms.net;jumbotcms.cn</Domain>
<!--留空表示只作用当前域名,作用多个域名用;隔开-->
<Path>/</Path>
<!--不要随便修改-->
</Root>
接着写了一个类 是操作Cookies的
using System;
using System.Web;
using System.Data;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Text;
namespace Jumbot.Common
{
/// <summary>
/// Cookie操作类
/// </summary>
public static class Cookie
{
/// <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 = HttpContext.Current.Server.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] = HttpContext.Current.Server.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 HttpContext.Current.Server.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)
return null;
else
{
string _value = HttpContext.Current.Request.Cookies[strCookieName][strKeyName];
return HttpContext.Current.Server.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] = 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 "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
_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
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;
}
}
}
[责任编辑:jumbot]